CLASS 416, FLUID REACTION SURFACES (I.E., IMPELLERS) |
1 | METHOD OF OPERATION |
This subclass is indented under the class definition. Method including a step relating to the operation or use
of impeller* structure.
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2 | HAVING FRANGIBLE OR FUSIBLE PART OR CONNECTION |
This subclass is indented under the class definition. Apparatus wherein some portion of an impeller* or the means connecting it to a support* comprises (1) a weakened zone or connecting part whereby destruction or separation of the apparatus due to external forces occurs in a predetermined manner or (2) a fusible zone or connecting part whereby excessive heat effects predetermined destruction or separation of the apparatus. | |
3 | ACTUATION DIRECTLY RESPONSIVE TO MAGNETIC OR ELECTRICAL EFFECT |
This subclass is indented under the class definition. Apparatus wherein an impeller* is caused to operate by direct response of one or more working members* to an electrical or magnetic effect (e.g., the working member functions like the armature of an electric motor). | |
4 | ROTARY SKIN FRICTION TYPE (E.G., MAGNUS ROTOR, ETC.) |
This subclass is indented under the class definition. Apparatus comprising a rotary working member* having
a smooth substantially uninterrupted circumferentially continuous
skin surface (e.g., cylinder) which contacts the working fluid* such
that reaction between the member and the fluid occurs solely as
a result of friction contact therebetween.
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5 | WITH ILLUMINATION MEANS |
This subclass is indented under the class definition. Apparatus comprising an impeller* in combination
with a light producing means.
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6 | DRIVEN BY PULSATING OR DIVERSE WORKING FLUID |
This subclass is indented under the class definition. Apparatus wherein the impeller* is driven by a working fluid in an intermittent rhythmic flow, as ocean waves, or made up of two or more different flowing mediums, as wind and stream flow. | |
7 | WORKING MEMBER SUPPORTED ON ENDLESS FLEXIBLE CARRIER |
This subclass is indented under the class definition. Apparatus wherein the carrier* of an impeller* comprises
an endless, elongated flexible member (e.g., chain or belt, etc.), which
supports one or more working members* through a path of
operation.
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8 | . Feathering blades |
This subclass is indented under subclass 7. Apparatus in which at least one working member is movable during operation to a different or inoperative position relative to support connection with the endless flexible member without intervention of a human operator. | |
9 | WITH MEANS POSITIONING FLUID CURRENT DRIVEN IMPELLER RELATIVE TO FLOW DIRECTION |
This subclass is indented under the class definition. Apparatus comprising an impeller* which is acted
upon by a flowing working fluid* to produce a mechanical
output and means for orienting the impeller, relative to the direction
of flow.
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10 | . Offset relative to flow direction |
This subclass is indented under subclass 9. Apparatus comprising means to cause or permit deflection of the impeller from a normal operative position aligned with the direction of working fluid flow to a position wherein the impeller is oriented at an angle to the direction of flow. | |
11 | .. Upstream pivotal mounting |
This subclass is indented under subclass 10. Apparatus wherein the impeller is mounted downstream of a vertical axis about which it swings, whereby it tends normally to be aligned with the direction of working fluid flow. | |
12 | .. Responsive to folding or feathering of flow-aligned vane |
This subclass is indented under subclass 10. Apparatus wherein the impeller is oriented at an angle to
the direction of working fluid flow in response to folding or feathering
of a vane or rudder which tends to maintain a position aligned with
the direction of flow.
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13 | .. Horizontal deflection relative to flow-aligned vane |
This subclass is indented under subclass 10. Apparatus wherein the impeller is pivotally mounted to swing in a horizontal plane, the swinging movement being caused by movement of a vane or rudder relative to the impeller, which vane or rudder tends to maintain a position aligned with the direction of working fluid flow and thus urges the impeller to swing to an inoperative position. | |
14 | ... With impeller brake or stop |
This subclass is indented under subclass 13. Apparatus comprising means for retarding or ceasing impeller motion. | |
15 | ... And responsive to transverse vane |
This subclass is indented under subclass 13. Apparatus wherein the impeller deflection is effected or controlled directly or indirectly by a reactive surface distinct from the impeller and normally arranged substantially transverse to the direction of working fluid flow when the impeller is headed transverse of the flow direction. | |
16 | ... Biased to position by weight of parts |
This subclass is indented under subclass 13. Apparatus wherein the impeller and the vane or rudder are so connected and arranged that they tend, by virtue of the weight of at least one of these elements, to seek one or the other of their extreme position of adjustment (i.e., operative or inoperative). | |
17 | . Feathering cycle related to flow direction |
This subclass is indented under subclass 9. Apparatus wherein the impeller motion is regular and recurrent (e.g., oscillatory, rotary, etc.) and one or more working members* thereof assume a changed operative relationship to the flowing medium at a predetermined point in the cycle of operation, the point at which the cyclic working member motion occurs being maintained at a constant fixed relation to the direction of working fluid flow. | |
18 | WITH GYROSCOPIC REFERENCE MEANS FOR ROTOR CONTROL |
This subclass is indented under the class definition. Apparatus comprising a rotating inertial reference means which tends to remain in its own plane of rotation due to gyroscopic stability and is so linked to an impeller* or working member* which normally rotates in a parallel plane that angular displacement of either rotation plane relative to the other causes a corrective force or pitch change to occur so as to return the impeller or member to rotation in a plane parallel to that of the reference means. | |
19 | SINGLE BLADE ROTARY IMPELLER WITH COUNTERBALANCE |
This subclass is indented under the class definition. Apparatus comprising an impeller consisting of a single working member and provided with a mass arranged to counter-balance the mass of the working member. | |
20R | DRIVE BY FLUID REACTION JET ON WORKING MEMBER |
This subclass is indented under the class definition. Apparatus wherein the impelling movement of a driven impeller* is
effected in one direction by the expulsion of a working fluid from
a working member* orifice in an opposite direction.
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21 | . Combustion chamber carried by member |
This subclass is indented under subclass 20. Apparatus wherein the working member includes a combustion chamber mounted thereon or formed integral therewith. | |
22 | .. Air-ingestion rotor tip unit |
This subclass is indented under subclass 21. Apparatus comprising a rotary impeller having one or more working members projecting radially from the rotation axis and wherein a unitary structure open at its ends is mounted at the outer tip of a working member, one opening admitting air and the other expelling working fluid. | |
20A | . Articulated or flexible connection |
This subclass has no definition. | |
23 | WITH MEANS MOVING WORKING FLUID DEFLECTING WORKING MEMBER PART DURING OPERATION (E.G., AILERON, ETC.) |
This subclass is indented under the class definition. Apparatus wherein a working member* comprises a
fluid reaction surface having a part or a member mounted thereon
for varying the flow of fluid to or from the working member and
including positive means to move the flow varying member relative
to the fluid reactive surface while the working member is being operated
in its intended manner.
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24 | . Cyclic movement of member or part |
This subclass is indented under subclass 23. Apparatus wherein the working member impelling motion is regular and recurrent (e.g., oscillatory, rotary, etc.) and the working member or flowvarying member assumes a changed operative relationship to the working fluid at a predetermined point in the cycle of operation. | |
25 | INTERRELATED CONTROLS FOR IMPELLER AND DRIVE MEANS |
This subclass is indented under the class definition. Apparatus wherein control means for operation or adjustment of an impeller* means and control means for operation or adjustment of means for driving or being driven by the impeller are so correlated that actuation of one control means causes actuation of the other or said control means comprise, at least in part, structure common to both operations or adjustments. | |
26 | . Pitch adjustment related to drive brake or clutch operation |
This subclass is indented under subclass 25. Apparatus wherein the impeller operation or adjustment control means comprises means for varying the blade angle* of an impeller and the control means for the impeller driving or driven means comprises brake or clutch means therefor. | |
27 | . Pitch adjustment and throttle regulation with condition sensing means |
This subclass is indented under subclass 25. Apparatus wherein the impeller operation or adjustment control means comprises means for varying the blade angle* of an impeller and the control means for the impeller driving or driven means comprises means for varying the flow or fuel or motive fluid to an impeller drive engine or motor, at least one of the controls being actuated by means which senses a condition. | |
28 | .. Temperature responsive control |
This subclass is indented under subclass 27. Apparatus wherein the condition responsive control means is actuated by a means which senses a temperature state or variation. | |
29 | .. Drive engine intake air responsive control |
This subclass is indented under subclass 27. Apparatus wherein the condition responsive control means is actuated by a means which senses a state or variation of the intake air flow to a drive engine for the impeller. | |
30 | .. Electrical control or sensing means |
This subclass is indented under subclass 27. Apparatus wherein the control means and the condition sensing means, or both, comprise, at least in part, electrical apparatus. | |
31 | WITH CONTROL MEANS RESPONSIVE TO NON-CYCLIC CONDITION SENSING, CENTRIFUGAL ACTUATION, TORQUE OR THRUST |
This subclass is indented under the class definition. Apparatus comprising a means for controlling an apparatus part without the intervention of a human attendant in response to a condition that may or may not occur, a change in such condition, a lack of such condition or the result of such condition, the operation of said control means being caused or permitted by (1) a separate means which senses the condition (2) outward radial movement of the control means or an actuating mechanism where said means or mechanism is mounted for rotation and the radial movement due to centrifugal force occurs at a predetermined rate of rotation, or (3) direct or transmitted response of the control means to a turning, twisting or linear force on the apparatus or part thereof. | |
32 | . Control of drive brake or clutch |
This subclass is indented under subclass 31. Apparatus wherein the controlled means comprises a brake or clutch in a transmission train driving or driven by the impeller. | |
33 | . Plural distinct impellers having related control |
This subclass is indented under subclass 31. Apparatus comprising control means for two or more impellers* wherein
(1) the adjustment of one or more impellers is in response to a
condition of another impeller or (2) two or more impellers are adjusted
in response to a common condition sensing means.
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34 | .. Synchronizing |
This subclass is indented under subclass 33. Apparatus wherein at least two operatively related impellers
are caused to function in a substantially identical manner to maintain
a balanced condition.
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35 | . With electrical means comparing and reducing error related to preset datum |
This subclass is indented under subclass 31. Apparatus comprising means to manually select and fix a
desired operating condition or characteristic or other state from
which there should be no variation and an electrical system including
(1) means to receive signals based on the desired and the actual
condition, characteristic or state, respectively and to relate the
signals to one another and (2) means to control the apparatus to
reduce the variation between the actual and the desired state.
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36 | . Plural diverse condition responsive |
This subclass is indented under subclass 31. Apparatus wherein operation of the control means for the
apparatus part is caused or permitted in response to means which
sense two different conditions.
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37 | .. Relative ambient condition sensing (e.g., temperature, density, wind force, etc.) |
This subclass is indented under subclass 36. Apparatus in which one condition sensed is a characteristic
of the surrounding atmosphere.
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38 | .. Drive engine condition excluding shaft speed or torque |
This subclass is indented under subclass 36. Apparatus comprising a motor driving the impeller and in
which one condition sensed is an operating characteristic of the
motor, but not including rotational speed or torque developed by
the motor shaft.
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39 | . Temperature or icing condition responsive |
This subclass is indented under subclass 31. Apparatus wherein the control means is actuated in response
to means which senses (1) a temperature state or variation or (2)
an accumulation of ice which adversely affects operation of the
apparatus.
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40 | . Responsive to relative working fluid velocity |
This subclass is indented under subclass 31. Apparatus wherein the control means is operated in response
to a means which senses the speed of the working fluid* relative
to the apparatus.
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41 | .. Natural fluid current |
This subclass is indented under subclass 40. Apparatus wherein the working fluid comprises natural fluid
current.
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42 | . Pressure or altitude responsive |
This subclass is indented under subclass 31. Apparatus wherein the control means is caused to operate in response to a means which senses (1) a condition of fluid pressure variation within the apparatus or the ambient or (2) the elevation of the apparatus relative to sea-level or ground-level. | |
43 | . Responsive to condition of torque or thrust of device or driving or driven means or mechanism |
This subclass is indented under subclass 31. Apparatus wherein the control means is caused to operate in response to a force acting on the apparatus or a part thereof which is sensed as the resistance to a rate or directional movement variation of the apparatus or part. | |
44 | . Impeller rotation speed responsive |
This subclass is indented under subclass 31. Apparatus comprising a rotating impeller* and control means which is caused to operate in response to a condition proportional to the rotational speed of the impeller. | |
45 | .. Valve element directly movable by centrifugal force |
This subclass is indented under subclass 44. Apparatus wherein the means which initiates the control operation comprises a valve member which is mounted so as to rotate about an axis and assume various positions directly in accordance with the rate of rotation, the control being initiated when the valve member reaches a predetermined position. | |
46 | .. Including pitch lock or adjustable stop |
This subclass is indented under subclass 44. Apparatus wherein the apparatus includes means for retaining
the impeller or working member in a selected position of adjustment.
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47 | .. Control by means of separate motor |
This subclass is indented under subclass 44. Apparatus wherein the control means which acts on the apparatus
part comprises a motor solely for that purpose actuable by the means responsive
to the impeller rotation speed.
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48 | ... Motor carried by impeller |
This subclass is indented under subclass 47. Apparatus wherein the motor is carried by and rotates with
the impeller*.
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49 | .. Including reset or manual override of control |
This subclass is indented under subclass 44. Apparatus including means actuated by a human attendant to (1) return the control system to a datum point or (2) override or prevent operation of the control system. | |
50 | ... Of centrifugal weight governor |
This subclass is indented under subclass 49. Apparatus wherein the means which initiates the control operation comprises a mass mounted so as to rotate about an axis and assume various radial positions in accordance with the rate of rotation, the control being initiated when the mass reaches a predetermined position. | |
51 | .. Centrifugal mass moved along guided or lineal path |
This subclass is indented under subclass 44. Apparatus comprising a weight which rotates at a speed proportional to that of the impeller and moves towards and away from its axis of rotation in a straight line or is directed along a predetermined path by some means other than a pivoted mounting. | |
52 | .. Centrifugal mass coaxial with impeller |
This subclass is indented under subclass 44. Apparatus wherein the control means which acts on the apparatus part comprises a mass which is caused to rotate in a varying radius dependent upon the speed of rotation about an axis coincident with the rotation axis of the shaft which supports and drives or is driven by the impeller. | |
53 | ... Pivot axis parallel to rotation axis |
This subclass is indented under subclass 52. Apparatus wherein the rotating mass is pivoted on an axis parallel to that of the axis of rotation of the impeller. | |
54 | OPERATED BY ART DEVICE |
This subclass is indented under the class definition. Apparatus wherein an impeller* is mounted on or
proximate an "art device" and is powered by the
relative motion of the device or parts thereof, the device being
of special construction or adaptation to perform a particular function
other than that directly related to the support or operation of
the class subject matter.
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55 | . Vehicular device |
This subclass is indented under subclass 54. Apparatus wherein the "art device" comprises a vehicle or like device. | |
56 | . Runner supported rocking device |
This subclass is indented under subclass 54. Apparatus wherein the device comprises a contrivance which
rocks upon a supporting runner, as a cradle or rocking chair.
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57 | .. Inertial actuation |
This subclass is indented under subclass 56. Apparatus wherein rocking of the device effects motion of an inertial mass which in turn transmits a drive motion to the impeller. | |
58 | .. Continuous impeller rotation |
This subclass is indented under subclass 56. Apparatus wherein rocking of the device effects an uninterrupted, unidirectional, rotary movement of the impeller. | |
59 | . Pivot supported swinging device |
This subclass is indented under subclass 54. Apparatus wherein the device comprises a contrivance which
swings about a supporting pivot, as a door or hammock.
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60 | . Integral with or directly attached to rotary device or part (e.g., flywheel, pulley, etc.) |
This subclass is indented under subclass 54. Apparatus wherein the impeller is adapted to be directly attached to, or may be formed as an integral part of, a rotary device such that rotation of the device effects impeller operation. | |
61 | WITH MEASURING, TESTING, SIGNALLING OR INSPECTION MEANS |
This subclass is indented under the class definition. Apparatus comprising means to perform quantity or condition measurements or observations so as to determine operating or structural characteristics of the apparatus or extent of motion or movement of some part thereof, including means of a visual or audible nature, (other than fixed exhibitors, e.g., signs) which give information about or permit viewing of (e.g., inspection window) a condition of the apparatus. | |
62 | REMOVABLE AUXILIARY ATTACHMENT TO WORK SURFACE |
This subclass is indented under the class definition. Apparatus wherein a working member* fluid reaction surface has supplementary means detachably mounted thereon, the working member being intended for operation with or without the supplementary means as a matter of choice. | |
63 | AMBULANT, BODY SUPPORTED OR WITH CARRYING HANDLE |
This subclass is indented under the class definition. Apparatus comprising (1) wheels, skids or other special
means to facilitate movement of the apparatus, (2) means which specifically adapts
the apparatus to be supported on some part of a human body or an
animal or (3) hand or body engaging means to facilitate carrying of
the apparatus.
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64 | TRANSLATORY REACTION MOTION |
This subclass is indented under the class definition. Apparatus wherein a working member* moves in a
straight line path as a proximate result of, or to directly effect,
reaction between the member and the working fluid*.
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65 | . And concurrent rotary reaction motion |
This subclass is indented under subclass 64. Apparatus wherein (1) the working member rotates about an
axis simultaneously with the straight-line movement thereof, each
movement being a proximate result of, or directly effecting, reaction
between the member and the working fluid or (2) the apparatus includes
a rotary working member distinct from and operative in conjunction
with that member which moves in a straight line path.
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66 | . Flexible or relatively movable working member or part |
This subclass is indented under subclass 64. Apparatus wherein (1) the working member comprises pliable or elastic material so that it flexes during operation of the apparatus or (2) the working member or some portion thereof moves relative to the member support or other member portion during operation of the apparatus. | |
67 | .. Valve type |
This subclass is indented under subclass 66. Apparatus wherein the movement of the working member or parts thereof are such to permit flow of working fluid through a defined aperture under predetermined operating conditions and to close off such through flow during other operating conditions. | |
68 | .. Complemental pivoted surfaces |
This subclass is indented under subclass 66. Apparatus wherein the working member comprises a plurality of surfaces which pivotally move to or from one another in a related manner to form a unitary device wherein the various surfaces have a similar working fluid reactive function. | |
69 | OPERATOR SUPPORTED MANUALLY ACTUATED TYPE |
This subclass is indented under the class definition. Apparatus comprising an impeller* which is hand
powered and at least partially hand supported by the operator thereof.
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70R | . Operation solely by direct hand manipulation |
This subclass is indented under subclass 69. Apparatus wherein the impeller is disclosed as being of
the type held in and moved directly by motion of a user"s
hand to cause motion of a fluid.
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71 | .. Simulation or having indicia, ornamentation or combined feature |
This subclass is indented under subclass 70. Apparatus wherein the device (1) is so constructed as to
resemble some object or being, (2) has writing or similar distinctive
marking thereon, (3) has decorative embellishments associated therewith
or (4) is combined with features other than impeller structure,
supporting or attaching means therefor or impeller driving or driven
means.
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72 | .. Relatively movable portions |
This subclass is indented under subclass 70. Apparatus in which major portions of the impeller are movable
with respect to each other while remaining connected.
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73 | ... Arcuate planar folding of working surface |
This subclass is indented under subclass 72. Apparatus comprising a working member foldable into a more compact form by angular movement of different portions thereof about a common pivot normal to the member work surface. | |
70A | .. Fans |
This subclass has no definition. | |
74 | . Fulcrum support type (e.g., oar, scull, etc.) |
This subclass is indented under subclass 69. Apparatus wherein the impeller is (1) caused to follow a
predetermined path or operation by relatively fixed guide means
or (2) supported for movement about a pivot in the manner of an
oar.
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75 | . Reciprocatory pin-slot actuator |
This subclass is indented under subclass 69. Apparatus wherein motion to the impeller is effected by imparting a reciprocatory motion to either component of a pin-slot connection. | |
76 | . Rotary hand crank (e.g., egg beater, etc.) |
This subclass is indented under subclass 69. Apparatus wherein motion is transmitted to the impeller by means of a manually operated crank handle. | |
77 | .. Intermeshing or interdigitated working members |
This subclass is indented under subclass 76. Apparatus wherein at least two working members are so supported that during operation of the apparatus the moving members describe intersecting or overlapping paths. | |
78 | CRANK TYPE DIPPING OR STIRRING MOTION |
This subclass is indented under the class definition. Apparatus wherein a working member* or a rigid
extension thereof is pivotally connected to a crank portion of a
rotary shaft or a mechanical equivalent thereof and so guided or supported
that the member has a motion resembling that of a conventional hand
manipulated canoe paddle, sculling oar, rowing oar or stirring member.
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79 | OSCILLATORY REACTION MOTION |
This subclass is indented under the class definition. Apparatus wherein a working member* moves back
and forth about an axis, or in an orbit, with an arc of movement
of not more than 360°, the movement occurring as a proximate
result of, or to directly effect, reaction between the member and
the working fluid*.
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80 | . With pendulum, counterbalance or inertial weight |
This subclass is indented under subclass 79. Apparatus comprising a weight arranged relative to the working
member and acting as (1) a swinging member to regulate the motion
of the working member or the drive motor (e.g., clock), (2) a mass
to counterbalance the mass of the working member or (3) an inertia
mass or flywheel to smooth out the oscillatory motion of the working
member and permit it to continue its motion even after removal of
the drive means.
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81 | . Flexible working member |
This subclass is indented under subclass 79. Apparatus wherein the working member comprises pliant material. | |
82 | . Relatively movable working member portions |
This subclass is indented under subclass 79. Apparatus wherein the working member comprises a plurality of sections which move relative to one another. | |
83 | . Compound motion (e.g., feathering, undulating, etc.) |
This subclass is indented under subclass 79. Apparatus wherein the oscillatory working member concurrently
undergoes some other diverse motion during the member operation.
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84 | BUOYANT OR INFLATABLE WORKING MEMBER |
This subclass is indented under the class definition. Apparatus wherein a working member* (1) is itself
so constructed as to float in or on a working fluid or (2) has collapsible
walls expandable to an operative shape by filling with a fluent
material.
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85 | FLOAT SUPPORTED |
This subclass is indented under the class definition. Apparatus wherein an impeller* is supported in
a working fluid by buoyant means.
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86 | . Buoyant hub or rim |
This subclass is indented under subclass 85. Apparatus wherein the buoyant support means comprises a
hub or peripheral annulus to which the impeller working members
are directly attached.
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87 | RADIALLY EXTENSIBLE OR RETRACTIBLE ROTOR WORKING MEMBER |
This subclass is indented under the class definition. Apparatus comprising a rotating working member* and
wherein the working member dimension normal to the rotation axis
may be lengthened or shortened to change the effective operative
diameter of the apparatus.
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88 | . Variable work surface or non-rigid connection |
This subclass is indented under subclass 87. Apparatus wherein (1) the working member surface area or configuration is alterable, as by collapsing or by telescoping parts, or (2) the working member is attached to a carrier or support solely by means which cannot sustain the member in a fixed position. | |
89 | . Having pitch adjustment |
This subclass is indented under subclass 87. Apparatus wherein the blade angle* of the working member may be selectively varied. | |
90R | WITH FLUID PASSAGE IN WORKING MEMBER COMMUNICATING WITH WORKING FLUID |
This subclass is indented under the class definition. Apparatus comprising a working member* including
conduit means for conducting a flow of fluid therethrough and wherein
either the inlet or outlet to the flow conducting means is on the
working member for the intake or discharge of fluid directly to
or from the working fluid*.
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91 | . Both inlet and outlet to working fluid |
This subclass is indented under subclass 90. Apparatus wherein both the inlet and outlet to the passage are open to the working fluid, the flow within the passage comprised, at least in part, of working fluid. | |
92 | . Discharge solely at periphery normal to rotation axis |
This subclass is indented under subclass 90. Apparatus wherein the working member is supported for rotation on a shaft and the entire fluid flow out of the member conduit is at the periphery in a direction substantially perpendicular to the axis of rotation. | |
90A | . Air and watercraft propellers |
This subclass has no definition. | |
93R | AMBIENT FLUID OR EXHAUST GAS DIRECTED THROUGH HUB, FAIRING OR HOUSING |
This subclass is indented under the class definition. Apparatus wherein either a portion of the working fluid* encompassing the impeller* or the exhaust gas from an impeller* drive engine is caused to flow through (1) the impeller hub, (2) drag or head resistance reducing means such as a smooth outline member or covering supported on the impeller carrier* or (3) an enclosing cover for an apparatus part, such as a drive motor or transmission. | |
94 | . Aircraft spinner or cowling |
This subclass is indented under subclass 93. Apparatus wherein the working fluid or exhaust gas is caused to flow through an aircraft spinner or cowling. | |
93A | . Water or marine propellers |
This subclass has no definition. | |
95 | WITH HEATING, COOLING OR THERMAL INSULATION MEANS |
This subclass is indented under the class definition. Apparatus having means associated therewith (1) to heat
or cool the apparatus or working fluid* or to minimize
the transfer of heat thereto or therefrom by shielding or structural
arrangement.
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96R | . Changing state mass within or fluid flow through working member or carrier |
This subclass is indented under subclass 95. Apparatus comprising a working member* or carrier* having (1) a chamber therein containing a material which is capable of changing its physical state from or to a solid, liquid, or gas, thereby transferring heat between itself and the working member or carrier or (2) passage means therein through which a heat exchange fluid is caused to flow. | |
97R | .. Flow exhausted to working fluid |
This subclass is indented under subclass 96. Apparatus wherein the heat exchange fluid (1) comprises working fluid* directed into the flow passage or (2) is exhausted into the working fluid. | |
97A | ... Laminated or porous skin |
This subclass has no definition. | |
96A | .. Blade inserts |
This subclass has no definition. | |
98 | SUSTAINED ANCILLARY MOVEMENT OF ROTARY WORKING MEMBER (E.G., CYCLIC FEATHERING, ETC.) |
This subclass is indented under the class definition. Apparatus comprising a working member* which rotates
about a "fixed" axis and undergoes at least one
different and distinct movement concurrently with the rotary motion.
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99 | . Intermounted rotary members |
This subclass is indented under subclass 98. Apparatus comprising a working member supported* for rotation about a shaft carried by another rotating working member. | |
100 | . Continuous rotor oscillation |
This subclass is indented under subclass 98. Apparatus comprising an impeller supported for rotation about an axis and wherein the support structure comprising the rotation axis is caused to partake of a continuous angular oscillating movement across the rotation axis concurrently with the impeller rotatory motion. | |
101 | . Cyclic radial movement |
This subclass is indented under subclass 98. Apparatus wherein the rotary working member is supported
or guided to move radially inward or outward with respect to the
fixed rotation axis to assume a particular operative position at a
predetermined point in each rotation cycle.
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102 | . Responsive to carrier tilt |
This subclass is indented under subclass 98. Apparatus wherein the rotary member is supported for movement relative to the fixes rotation axis to assume a particular operative position at a predetermined point in each rotation cycle in response to tilting or inclining of the carrier*, as a unit, relative to the fixed rotation axis of the apparatus. | |
103 | . Lead-lag type rotor blade movement |
This subclass is indented under subclass 98. Apparatus comprising an impeller* of the type having
one or more bladed working members which project radially outward
from a rotation axis, such as a helicopter rotor, the inner radial end
of each working member being pivotally attached to a carrier* for
movement about an axis parallel to the rotation axis such that the member
oscillates forwardly (in the direction of rotation) during a portion
of the rotation cycle (lead) and oscillated rearwardly (opposite the
direction of rotation) during another portion of the rotation cycle
(lag).
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104 | .. And additional correlated blade movement (e.g., pitch change, etc.) |
This subclass is indented under subclass 103. Apparatus wherein the lead-lag movement of the blade effects or is effected by additional movement, e.g., change of pitch, of the same or another blade. | |
105 | .. Positive means effecting lead-lag movement |
This subclass is indented under subclass 103. Apparatus comprising mechanism for moving the blade about the lead-lag axis. | |
106 | .. With movement restraining means (i.e., damping) |
This subclass is indented under subclass 103. Apparatus provided with means to limit the extent or reduce the frequency of blade movement about the lead-lag axis. | |
107 | ... Resilient bias or limit stop |
This subclass is indented under subclass 106. Apparatus wherein the movement restraining means is of the resilient biasing or limit stop type. | |
108 | . By actuator eccentric to rotation axis |
This subclass is indented under subclass 98. Apparatus wherein the concurrent movement is effected by an actuating means which is caused to follow an orbital path of varying radius about the rotation axis of the working member. | |
109 | .. Stationary eccentric guide or track |
This subclass is indented under subclass 108. Apparatus wherein the eccentric actuating means comprises a guide surface or track which is fixedly eccentrically supported relative to the rotatable working member. | |
110 | . Continuous rotation about plural axes |
This subclass is indented under subclass 98. Apparatus wherein the working member simultaneously and uninterruptedly rotates about two or more different axes. | |
111 | .. Motion about parallel axes |
This subclass is indented under subclass 110. Apparatus wherein the different axes are parallel to one another. | |
112 | . Responsive to fixed actuator (e.g., cam or trip, etc.) |
This subclass is indented under subclass 98. Apparatus wherein the concurrent movement is effected in response to engagement of the rotating working member, or means connected thereto, with a stationary guide means or a static obstruction in the path of movement. | |
113 | .. Axial cam |
This subclass is indented under subclass 112. Apparatus wherein the movement effecting means includes a surface axially inclined with respect to the impeller rotation axis (e.g., a helical cam). | |
114 | ... Selectively adjustable |
This subclass is indented under subclass 113. Apparatus wherein the axially inclined surface is movable at will by a human attendant to various positions to change the concurrent movement of the working member. | |
115 | .... Plural impellers |
This subclass is indented under subclass 114. Apparatus in which the concurrent movements of a plurality of impellers are varied at will. | |
116 | .. Stationary cam track or guide surface |
This subclass is indented under subclass 112. Apparatus wherein the movement effecting means comprises a cam track or guide surface fixedly supported relative to the impeller rotation axis. | |
117 | . Responsive to gravity or working fluid force |
This subclass is indented under subclass 98. Apparatus wherein the working member concurrent movement occurs in response to the force of gravity or the working fluid acting on the working member or apparatus part directly connected thereto. | |
118 | .. Having manual control or adjustment |
This subclass is indented under subclass 117. Apparatus including means actuated by a human attendant to modify or affect the operation of the apparatus. | |
119 | .. Motion about parallel axes |
This subclass is indented under subclass 117. Apparatus wherein the rotational movement and the concurrent movement are each about axes parallel to one another. | |
120 | PLURAL IMPELLERS HAVING RELATIVE MOVEMENT OR INDEPENDENT SUPPORTS |
This subclass is indented under the class definition. Apparatus comprising two impellers* which are independently
supported* or which move relative to one another during
use.
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121 | . Shiftable support |
This subclass is indented under subclass 120. Apparatus wherein the support for at least one of the impellers
is movable as a whole to a different operative position relative
to (1) at least one other impeller or (2) a common support for the
plural impellers (e.g., vehicle body).
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122 | . Intersecting or interdigitated paths of operation |
This subclass is indented under subclass 120. Apparatus wherein the impellers are so supported that during
operation the moving members describe intersecting or alternately overlapping
paths.
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123 | . Divergent rotation axes |
This subclass is indented under subclass 120. Apparatus in which the impellers have a common support and
rotate about axes which are angular on skew to one another.
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124 | . Coaxial rotation |
This subclass is indented under subclass 120. Apparatus wherein the plural impellers are supported for rotation about a common axis. | |
125 | .. Individual prime mover |
This subclass is indented under subclass 124. Apparatus wherein the impellers are each driven by a separate power sources. | |
126 | .. Concentric working members |
This subclass is indented under subclass 124. Apparatus wherein the coaxial impellers rotate one inward of the other on the same radial plane. | |
127 | .. Concurrent adjustment |
This subclass is indented under subclass 124. Apparatus in which the coaxial impellers are arranged to
be adjusted simultaneously by positive means.
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128 | .. Oppositely rotating impellers |
This subclass is indented under subclass 124. Apparatus in which the direction of rotation of one of the
impellers is contrary to the direction of rotation of another impeller
supported coaxially therewith.
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129 | ... Engine driven |
This subclass is indented under subclass 128. Apparatus comprising a source of mechanical power rotating the plural impellers. | |
130 | . Differential or independent adjustment |
This subclass is indented under subclass 120. Apparatus wherein one impeller is adjusted unequally or
separately with respect to another.
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131 | ARTICULATED, RESILIENTLY MOUNTED OR SELF-SHIFTING IMPELLER OR WORKING MEMBER |
This subclass is indented under the class definition. Apparatus comprising an impeller* or working member*,
or a part thereof mounted (1) on a support by means of a joint or
a yielding or elastic connection or (2) as to be capable of self
movement due to the effect of dynamic forces thereon (e.g., rotary
motion or working fluid*).
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132R | . Sectional, staged or nonrigid working member |
This subclass is indented under subclass 131. Apparatus wherein the working member comprises (1) a plurality of relatively movable surfaces (2) a plurality of separate or divergent surfaces which react with the working fluid sequentially or (3) a surface which is nonself-supporting, such as a sail. | |
132A | .. Flexible sheet or plate |
This subclass has no definition. | |
132B | .. Windmills |
This subclass has no definition. | |
133 | . Axially displaceable rotary carrier (e.g., hub, etc.) |
This subclass is indented under subclass 131. Apparatus in which a working member carrier* supported
on a rotary drive shaft is axially movable relative to said shaft
in response to dynamic forces exerted on the member.
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134R | . Nonmetallic resilient mounting |
This subclass is indented under subclass 131. Apparatus wherein the impeller or working member is connected to the support means by a nonmetallic elastic element. | |
134A | .. Aircraft rotors |
This subclass has no definition. | |
135 | . Resilient bias or mount |
This subclass is indented under subclass 131. Apparatus wherein the impeller or working member movement is resisted by a resilient element which tends to restore the impeller or member to an original or predetermined position. | |
136 | .. Rotary working member pivotable solely about radial axis |
This subclass is indented under subclass 135. Apparatus comprising a working member supported for rotation
and movable only about a radial axis in response to dynamic forces.
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137 | ... Convolute spring coaxial with impeller shaft |
This subclass is indented under subclass 136. Apparatus wherein the resilient element comprises a spiral spring coaxial with the impeller shaft. | |
138 | .. With manual control means |
This subclass is indented under subclass 135. Apparatus wherein the device includes mechanism whereby an operator may regulate the operation thereof. | |
139 | . Including weight bias means |
This subclass is indented under subclass 131. Apparatus wherein the impeller or working member movement is either aided or resisted by a weight other than the impeller or working member itself. | |
140 | . Including movement limit stop or damping means |
This subclass is indented under subclass 131. Apparatus wherein means is provided to limit the extent
or reduce the frequency of the impeller or working member movement.
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141 | . Plural articulation |
This subclass is indented under subclass 131. Apparatus wherein the impeller or working member is supported
for movement about plural pivots or for universal movement about
one pivot.
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142 | WORKING MEMBER FOLDABLE, PIVOTABLE OR COLLAPSIBLE TO NON-USE POSITION |
This subclass is indented under the class definition. Apparatus wherein an impeller* is adapted to assume
a more compact form by folding, pivoting, collapsing or similar
movement of a working member* so as to render the member
inoperative or to facilitate storage.
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143 | . Member movement in rotation plane |
This subclass is indented under subclass 142. Apparatus comprising a rotary impeller wherein the folding, pivoting, collapsing or similar movement occurs in the plane of rotation. | |
144 | WITH WEIGHT-BALANCING MEANS |
This subclass is indented under the class definition. Apparatus comprising a working member* and arranged,
or formed, having means to prevent or preclude imbalance thereof
due to uneven mass distribution.
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145 | . Self-shifting or selectively adjustable mass |
This subclass is indented under subclass 144. Apparatus in which the means comprises a mass of matter in any state and mounted so as to (1) move and assume various positions dependent on the rotation of the impeller, without the intervention of a human attendant or (2) be moved at will by a human attendant to various positions. | |
146R | COMBINED OR CONVERTIBLE |
This subclass is indented under the class definition. Apparatus (1) claimed in combination with features other
than impeller structure, supporting or attaching means therefor
or impeller driving or driven means and not provided for in preceding
subclasses or (2) having means or parts capable of structural rearrangement
or modification to selectively provide either an impeller organization
having some other mode of operation or a device of some other description.
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146A | . Hub lubrication or seal |
This subclass has no definition. | |
147 | HAVING POSITIVE MEANS FOR IMPELLER ADJUSTMENT |
This subclass is indented under the class definition. Apparatus comprising mechanism for moving an impeller* or
working member* relative to a carrier* or support* means
therefor in response to motor or manual actuation, such movement
being other than that occurring as a proximate result of, or to
directly effect, reaction between the impeller or working member and
the medium fluid.
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148 | . Tiltable carrier (e.g., hub, etc.) |
This subclass is indented under subclass 147. Apparatus wherein the impeller carrier is caused to pivot a unit relative to a supporting shaft. | |
149 | . Shiftable carrier support |
This subclass is indented under subclass 147. Apparatus wherein the impeller together with the carrier* and support means therefor is shiftable as a unit relative to a supporting surface or device. | |
150 | .. Rectilinear motion |
This subclass is indented under subclass 149. Apparatus in which the shiftable carrier support moves along a straight line. | |
151 | . Power derived from impeller shaft |
This subclass is indented under subclass 47. Apparatus wherein the impeller or working member movement is effected by power from a shaft which directly drives or is driven by the impeller. | |
152 | .. By brake application or release |
This subclass is indented under subclass 151. Apparatus wherein the impeller or working member movement
is effected in response to operation of an element which either
removes or applies a force resisting movement of an apparatus part.
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153 | . Having pitch lock or adjustable stop |
This subclass is indented under subclass 147. Apparatus wherein the apparatus includes means for retaining
the impeller or working member in a selected position of adjustment.
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154 | .. Fluid motor for impeller adjustment |
This subclass is indented under subclass 153. Apparatus in which the mechanism for moving the impeller or working member comprises a fluid motor. | |
155 | . Motor bodily rotatable with impeller hub or shaft |
This subclass is indented under subclass 147. Apparatus wherein the impeller or working member movement is effected by a motor mounted on and rotatable with the impeller*. | |
156 | .. Fluid motor |
This subclass is indented under subclass 155. Apparatus wherein the motor is driven by fluid. | |
157R | ... Coaxial with impeller shaft |
This subclass is indented under subclass 156. Apparatus wherein the fluid motor is coaxial with the axis of the impeller shaft and is rigidly connected therewith. | |
157A | .... Rotary fluid motor |
This subclass has no definition. | |
157B | .... Plural blade units |
This subclass has no definition. | |
158 | ... Working member mounted or housed |
This subclass is indented under subclass 156. Apparatus wherein the fluid motor is mounted on or within the working member. | |
159 | . Power or manual actuator on non-rotatable part |
This subclass is indented under subclass 147. Apparatus wherein the impeller or working member movement is effected by a power or manual actuator mounted on a part which is fixed in position relative to the impeller or working member. | |
160 | .. Planetary gearing connecting rotatable and non-rotatable parts |
This subclass is indented under subclass 159. Apparatus comprising planetary gearing between an impeller adjusting element movable with the impeller and a part which is fixed in position relative to the impeller, which part controls the movement. | |
161 | .. Axially movable impeller |
This subclass is indented under subclass 159. Apparatus wherein the power or manual actuator effects an axial movement of the impeller as a unit relative to a supporting shaft which directly drives or is driven by the impeller. | |
162 | .. Having motor |
This subclass is indented under subclass 159. Apparatus wherein the mechanism for moving the impeller or working member is actuated by a motor. | |
163 | .. Adjustment rod through entire impeller shaft |
This subclass is indented under subclass 159. Apparatus wherein the moving mechanism comprises a rod extending through the entire length of a shaft which directly drives or is driven by the impeller. | |
164 | .. Reciprocating sleeve or collar on or rod in impeller shaft |
This subclass is indented under subclass 159. Apparatus comprising a sleeve, collar or rod on or in a shaft which directly drives or is driven by the impeller and is reciprocated relative thereto to effect the movement. | |
165 | ... Reciprocated by coaxial screw |
This subclass is indented under subclass 164. Apparatus wherein the sleeve, collar or rod is reciprocated by a screw which is coaxial with the shaft. | |
166 | ... Rack-pinion connection to working member |
This subclass is indented under subclass 164. Apparatus wherein the adjusting movement is effected, at
least in part, by a rack-pinion connection intermediate the reciprocating
member and the working member.
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167 | ... Pin-slot or cam-slot connection to working member |
This subclass is indented under subclass 164. Apparatus comprising a pin-slot, cam-slot or cam connecting means between the reciprocating member and the movable working member. | |
168R | ... Link connection to working member |
This subclass is indented under subclass 164. Apparatus comprising link connecting means between the reciprocating
means and the movable working member.
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168A | .... Turbo-machine |
This subclass has no definition. | |
169R | HAVING CLUTCH OR BRAKE MEANS |
This subclass is indented under the class definition. Apparatus comprising means which selectively (1) engages the impeller* with a driving or driven mechanism or (2) retards or stops rotary motion of the impeller*. | |
169A | . Engine cooling fans |
This subclass has no definition. | |
170R | SPECIFIC DRIVE OR TRANSMISSION MEANS |
This subclass is indented under the class definition. Apparatus wherein the claimed subject matter includes, by
more than name only, (1) prime mover means for driving the impeller* or
(2) driving or driven mechanism to or from the impeller*.
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171 | . Impeller driven by fluid motor |
This subclass is indented under subclass 170. Apparatus wherein the prime mover means for driving the
impeller comprises a device which converts fluid energy to mechanical
energy.
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172 | . Alternating rotation |
This subclass is indented under subclass 170. Apparatus wherein an impeller rotates in a reverse angular
at regular intervals, the rotation in each direction extending through
at least one complete revolution.
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173 | . Manual powered means |
This subclass is indented under subclass 170. Apparatus wherein the impeller is operated by a motion transmitting
means which is actuated by movement of an operator"s hand
or foot.
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170HM | . Hand mixers |
This subclass has no definition. | |
174 | HAVING LUBRICATING, SEALING, PACKING OR SPECIFIC BEARING MEANS BETWEEN IMPELLER OR SHAFT AND STATIC PART |
This subclass is indented under the class definition. Apparatus comprising a relatively fixed apparatus part against
or in which an impeller* or its supporting shaft is intended
to continuously move and (1) means to conduct to or retain between
said fixed and continuously moving parts a friction reducing material
(2) means to reduce or prevent undesired fluid flow into or out
of the space between said fixed and continuously moving parts or
(3) anti-friction fluid or solid means between said fixed and continuously
moving parts to support said parts for relative movement.
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175 | DIVERSE IMPELLERS OR WORKING MEMBERS |
This subclass is indented under the class definition. Apparatus comprising at least two impellers* or
working members* which differ significantly in structure
other than by size or orientation.
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176 | SPIRAL BLADE OR FLOW PASSAGE (360 DEGREE) |
This subclass is indented under the class definition. Apparatus wherein the impeller* comprises a blade* projecting
radially outwardly from a hub or shaft or a flow passage which wholly
confines the working fluid while in working engagement therewith,
the blade or flow passage extending circumferentially at least substantially
one complete flight around the hub or shaft and the peripheral edge
of the blade or flow passage defining a spiral path about the hub
or shaft axis.
SEE OR SEARCH CLASS:
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177 | . Flow confining casing, shroud or passage |
This subclass is indented under subclass 176. Apparatus wherein the impeller comprises (1) a circumferentially continuous working fluid directing surface integral with the working members thereof or (2) a flow passage which wholly confines the working fluid while in working engagement therewith. | |
178 | PERIMETRIC BLADING EXTENDING AXIALLY BETWEEN ANNULAR MEMBERS (E.G., SQUIRREL CAGE TYPE, ETC.) |
This subclass is indented under the class definition. Apparatus wherein the impeller* comprises a plurality of blades supported solely at their axial ends by transverse annuli or rings. | |
179 | ROTOR HAVING FLOW CONFINING OR DEFLECTING WEB, SHROUD OR CONTINUOUS PASSAGE |
This subclass is indented under the class definition. Apparatus wherein a rotary impeller* comprises
(1) a working fluid flow directing surface integral with the impeller* and
circumferentially continuous about the rotation axis or (2) a flow
passage which wholly confines the working fluid while in working
engagement therewith.
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180 | . Blades projecting axially from concavo-convex annular web |
This subclass is indented under subclass 179. Apparatus wherein the flow directing surface comprises a concave annular member defining a semicircle in cross section. | |
181 | . Apertured or foraminous web or shroud |
This subclass is indented under subclass 179. Apparatus wherein the circumferentially continuous medium flow directing surface has one or more apertures therein. | |
182 | . Radially extending web or end plate |
This subclass is indented under subclass 179. Apparatus comprising a working fluid flow directing surface transverse to the axis of rotation and having a continuous peripheral edge. | |
183 | .. Circumferentially or radially angulated or discontinuous blades or sections (e.g., stepped, etc.) |
This subclass is indented under subclass 182. Apparatus comprising blades extending axially from the transverse flow directing surface which are (1) discontinuous in radial or circumferential extent or (2) formed of intersecting, angular portions. | |
184 | .. Spaced intermediate ends of opposed axial flow impeller |
This subclass is indented under subclass 182. Apparatus in which the radially extending surface is positioned between the ends of a working surface, the working fluid simultaneously entering or leaving the working surface in two streams parallel to the axis of rotation, in directions towards or away from each other on both sides of the radially extending surface. | |
185 | .. Circumferentially and radially continuous web or end plate |
This subclass is indented under subclass 182. Apparatus in which the transverse surface is substantially solid or continuous from the hub to the edge thereof. | |
186R | ... Having opposed annular surface between adjacent blades |
This subclass is indented under subclass 185. Apparatus comprising an additional working fluid flow directing surface, spaced axially from the transverse surface and of annular form, the working members being positioned between two surfaces. | |
187 | .... Angularly spaced, axially elongated blades (i.e., squirrel cage type) |
This subclass is indented under subclass 186. Apparatus in which the working member* has a dimension
along the axis of rotation which is substantially greater than the
dimensions along a radius (transverse to the axis of rotation) or across
the member (thickness), the plurality of such members arranged and
spaced around the annular surface, the member being of substantially
constant radial extent along its length and supported between the
two surfaces distally from the axis of rotation.
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186A | .... Adjustable blade or part |
This subclass has no definition. | |
188 | ... Conical web |
This subclass is indented under subclass 185. Apparatus comprising a member of conical form extending
axially from the transverse flow directing surface.
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189 | . Axially extending shroud ring or casing |
This subclass is indented under subclass 179. Apparatus wherein the flow directing surface comprises an axially extending member. | |
190 | .. Vibration inhibiting or expansion-contraction structure |
This subclass is indented under subclass 189. Apparatus wherein the flow directing surface includes means for damping impeller vibration or means which facilitate impeller expansion and contraction. | |
191 | .. Segmental shroud |
This subclass is indented under subclass 189. Apparatus wherein the flow directing surface comprises a continuous series of connected or adjacent elements. | |
192 | .. Having radial flange |
This subclass is indented under subclass 189. Apparatus wherein the flow directing surface includes flange means extending transversely of the rotation axis. | |
193R | .. Spaced inwardly of impeller periphery |
This subclass is indented under subclass 189. Apparatus wherein the flow directing surface is spaced inwardly
of the impeller periphery, as such resulting in an inner and an
outer blade or series of blades arranged with reference to the rotation
axis of the hub or shaft.
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193A | ... Root platforms |
This subclass has no definition. | |
194 | LASHING BETWEEN WORKING MEMBERS OR EXTERNAL BRACING |
This subclass is indented under the class definition. Apparatus wherein the impeller* includes means
supplemental to the main attaching means for (1) securing the working members* to
a hub or shaft or (2) attaching the working members to one another.
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195 | . Peripheral |
This subclass is indented under subclass 194. Apparatus wherein the supplemental means is connected to
the radial extremities of the working members.
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196R | . Connecting adjacent work surfaces |
This subclass is indented under subclass 194. Apparatus wherein the supplemental attaching means extends between working surfaces. | |
196A | .. Non-turbo machine (windmills) |
This subclass has no definition. | |
197R | CUPPED REACTION SURFACE NORMAL TO ROTATION PLANE |
This subclass is indented under the class definition. Apparatus wherein the blade* comprises a dished working fluid* impact surface which is arranged normal to the plane of rotation and to the fluid force direction. | |
197A | . Air and water motors (natural fluid current) |
This subclass has no definition. | |
197B | . Pelton wheels (impulse wheels) |
This subclass has no definition. | |
197C | . Torque converters |
This subclass has no definition. | |
198R | MULTIPLE AXIALLY SPACED WORKING MEMBERS |
This subclass is indented under the class definition. Apparatus comprising a plurality of working members* spaced
longitudinally of a rotary shaft such that they rotate in different planes
transverse of the shaft.
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199 | . Opposed axial flow |
This subclass is indented under subclass 198. Apparatus wherein the working members direct the fluid from
opposed axial sides to either an axially inward or outward direction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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200R | . Circumferentially offset |
This subclass is indented under subclass 198. Apparatus in which a portion on one working member is angularly offset relative to the corresponding portion on another working member spaced axially therefrom. | |
200A | .. Turbo machine |
This subclass has no definition. | |
201R | . Differing radii |
This subclass is indented under subclass 198. Apparatus wherein the longitudinally spaced working members are of unequal radial lengths. | |
201A | .. Non-turbo machine |
This subclass has no definition. | |
198A | . Turbo machine |
This subclass has no definition. | |
202 | PROJECTING BLADE AXIS OFFSET FROM ROTATION AXIS |
This subclass is indented under the class definition. Apparatus comprising one or more bladed* working member* surfaces projecting radially outward from a rotation axis and so arranged that the blade axis in a radially outward direction is significantly offset from a radius to the rotation axis. | |
203 | UNSYMMETRICAL IMPELLER OR DISSIMILAR WORKING MEMBERS |
This subclass is indented under the class definition. Apparatus wherein the impeller comprises (1) a fluid reactive
device which is asymmetrical relative to a plane, such as a plurality
of blades* unequally spaced about a rotary carrier* or
(2) a plurality of working members* which differ in size,
shape or orientation.
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204R | SPECIFIC WORKING MEMBER MOUNT |
This subclass is indented under the class definition. Apparatus comprising means for attaching a working member
to a mounting such as a hub or shaft.
SEE OR SEARCH CLASS:
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205 | . Adjustable |
This subclass is indented under subclass 204. Apparatus wherein the means for attaching the blade to its mounting permits selectively fixing the blade in one of a plurality of different positions. | |
206 | .. Spring biased detent |
This subclass is indented under subclass 205. Apparatus comprising an aperture or well in the mounting into which a blade part is received and releasably secured by a spring element. | |
207 | .. Blade releasably clamped |
This subclass is indented under subclass 205. Apparatus wherein an impeller blade is secured to its mounting by a pressing or wedging means which may be manually loosened permitting repositioning of the blade in a different operative attitude or relationship. | |
208 | ... Split impeller hub |
This subclass is indented under subclass 207. Apparatus wherein the impeller blade is releasably secured between the separable elements of a two-part hub. | |
209 | .. Thimble or sleeve fixed on impeller blade |
This subclass is indented under subclass 205. Apparatus wherein an encasing jacket is secured to that blade part which is attached to the carrier. | |
210R | . Distally supported on radial arm |
This subclass is indented under subclass 204. Apparatus in which the blade is attached to a radial carrier arm or annular mounting member and spaced at some distance from the hub or shaft. | |
211 | .. Axially extending blade |
This subclass is indented under subclass 210. Apparatus wherein the blade projects from the carrier arm in a direction substantially parallel to the axis of the hub or shaft. | |
210A | .. Turbo machine |
This subclass has no definition. | |
212R | . Interlocking blades |
This subclass is indented under subclass 204. Apparatus wherein the impeller comprises a plurality of blades, any one blade provided with means interfitting or common to an adjacent blade to produce rigidity in one or more directions. | |
212A | .. Turbo machine |
This subclass has no definition. | |
213R | . Welded, cemented or fused |
This subclass is indented under subclass 204. Apparatus wherein the blades are attached to the hub or shaft by fusion (e.g., welding, etc.) or adhesive bonding. | |
213A | .. Non-turbo machine |
This subclass has no definition. | |
214R | . Blade held between separable surfaces |
This subclass is indented under subclass 204. Apparatus wherein the blade is secured between two spaced surfaces which may be disassociated or disconnected from each other. | |
214A | .. Turbo machine |
This subclass has no definition. | |
215 | . Blade received by continuous circumferential channel |
This subclass is indented under subclass 204. Apparatus wherein the mounting is provided with a circumferentially
extending recess into which a portion of the blade is securely received.
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216 | .. Radially spaced ribs or grooves |
This subclass is indented under subclass 215. Apparatus in which the blade portion and channel wall, or a packing or securing means therebetween, have a plurality of elongated, radially spaced, interfitting channels and ridges. | |
217 | .. Divided blade root |
This subclass is indented under subclass 215. Apparatus in which the portion of the blade that is received by the mounting comprises a plurality of distinct fingers or projections extending from the main body of the blade. | |
218 | .. Having circumferentially extending binder |
This subclass is indented under subclass 215. Apparatus comprising a distinct and separate circumferentially
extending member which secures or fastens a plurality of blades
to each other or to the channel wall.
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219R | . Blade received in well or slot |
This subclass is indented under subclass 204. Apparatus wherein the mounting is provided with recesses or grooves which securely receive a blade portion. | |
220R | .. Having blade locking means |
This subclass is indented under subclass 219. Apparatus comprising a distinct fastening member for securing the blade to the mounting. | |
221 | ... Resilient or deformable |
This subclass is indented under subclass 220. Apparatus wherein the fastening member comprises elastic or distortable material. | |
220A | ... Non-turbo machine |
This subclass has no definition. | |
219A | .. Non-turbo machine |
This subclass has no definition. | |
222 | . Blade straddles carrier |
This subclass is indented under subclass 204. Apparatus in which the blade has attaching portions at the inward extremity thereof which depend on either side of a continuous supporting surface. | |
204A | . Turbo machine |
This subclass has no definition. | |
223R | SPECIFIC BLADE STRUCTURE (E.G., SHAPE, MATERIAL, ETC.) |
This subclass is indented under the class definition. Apparatus in which the shape, composition or construction
of an impeller blade* is specifically recited in a claim.
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224 | . Having wear liner, sheathing or insert |
This subclass is indented under subclass 223. Apparatus wherein the blade has an abrasion resistant liner,
sheathing or insert secured to a portion thereof normally subject
to erosive deterioration.
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225 | . Having spanwise compression means |
This subclass is indented under subclass 223. Apparatus wherein the blade includes reinforcing means extending longitudinally thereof serving to compress the blade parts and resist the action of longitudinal forces (e.g., centrifugal) thereon. | |
226 | . Formed with main spar |
This subclass is indented under subclass 223. Apparatus wherein the blade is fabricated by securing portions thereof to a main member which extends longitudinally of the blade from the root end to the tip, said member supporting the weight of the blade and carrying the stress forces exerted thereon. | |
227R | . Openwork (e.g., lattice, looped, etc.) |
This subclass is indented under subclass 223. Apparatus wherein the blade (1) comprises plural parts held
at spaced intervals, (2) is so shaped as to define or enclose an
open area, or (3) comprises a solid member discontinuous in at least
one direction.
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227A | .. Propeller and non-mixers |
This subclass has no definition. | |
228 | . Tined or irregular periphery |
This subclass is indented under subclass 223. Apparatus wherein the impeller* (1) comprises a plurality of elongate rod-like working members* projecting from a common carrier* or (2) is so shaped as to define an edge outline which markedly deviates from a smooth configuration. | |
229R | . Laminated, embedded member or encased material |
This subclass is indented under subclass 223. Apparatus wherein the impeller blade (1) is fabricated by bonding or fastening together a plurality of layers of material, (2) comprises a structural part, such as a stiffening member, set within a constituent part of the blade as by being molded therein, or (3) comprises blade forming material enclosed within a shell or casing. | |
230 | .. Wire, fiber, strand or fabric |
This subclass is indented under subclass 229. Apparatus wherein the blade comprises, at least in part, individual elongated threadlike members of metal or other matter or such members twisted or woven together to form a rope, cable, cloth or like structure. | |
229A | .. Turbo machine |
This subclass has no definition. | |
231R | . Apertured or permeable |
This subclass is indented under subclass 223. Apparatus wherein the working member (1) has one or more
openings extending therethrough or (2) is made up of material which
is intended to permit the flow of fluid therethrough.
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231A | .. Mixers or agitators |
This subclass has no definition. | |
231B | .. Slotted blade |
This subclass has no definition. | |
232 | . Hollow |
This subclass is indented under subclass 223. Apparatus wherein the blade comprises a shell which defines
a blade cavity.
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233 | .. Having brace means bridging cavity |
This subclass is indented under subclass 232. Apparatus wherein the shell encloses ribs or like reinforcing
means extending between opposing walls of the cavity.
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234 | . Integrally shaped or blended into hub |
This subclass is indented under subclass 223. Apparatus wherein the impeller blade is so shaped from or joined to carrier means therefor as to blend smoothly therewith. | |
235 | . Irregular, flanged or channel forming blade surface |
This subclass is indented under subclass 223. Apparatus wherein the blade surface (1) deviates from a smooth symmetric shape, (2) has rib or rim means thereon or (3) is so configured as to form a channel. | |
236R | .. Ribbed or grooved |
This subclass is indented under subclass 235. Apparatus wherein the blade surface has rib means thereon or has grooves shaped therein. | |
236A | ... Concentric or circular ribs |
This subclass has no definition. | |
237 | .. Angular or offset |
This subclass is indented under subclass 235. Apparatus wherein the blade comprises two or more flat surfaces
which (1) intersect in an angular relationship or (2) lie in different
but substantially parallel planes united by a blade portion normal
to the said surfaces.
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238 | . Cantilever blade |
This subclass is indented under subclass 223. Apparatus wherein the blade axis is swept axially or circumferentially from the juncture of the blade with the carrier*. | |
239 | . Blade cuff or shank construction |
This subclass is indented under subclass 223. Apparatus comprising (1) fairing structure supported adjacent
the inner end of the blade or (2) the specific shape or construction
of the lower portion of the blade intermediate the reaction surface
and the root, as in Fig. II in the Class Definition of this class.
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240 | . Flexible |
This subclass is indented under subclass 223. Apparatus wherein the impeller blade comprises pliant material
so that in its finished form it has a high degree of flexibility.
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241R | . Coating, specific composition or characteristic |
This subclass is indented under subclass 223. Apparatus wherein (1) an initially fluent substance is applied
to the blade surface so as to leave a residual film, layer or continuous deposit
thereon or which penetrates the blade base material and is at least
partially retained therein or (2) the material composition of the blade
is specifically set forth or (3) a specific structural characteristic
of the blade (other than shape) is set forth, such feature not being
elsewhere classifiable.
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241A | .. Plastic or synthetic material |
This subclass has no definition. | |
241B | .. Ceramic material |
This subclass has no definition. | |
242 | . Reverse curve surface |
This subclass is indented under subclass 223. Apparatus wherein a surface of the blade is curved in two
or more directions, (e.g., sinuous).
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243 | . Concave surface |
This subclass is indented under subclass 223. Apparatus wherein a face of the blade comprises an inwardly curved surface. | |
223A | . Turbo machine |
This subclass has no definition. | |
223B | . Radial flow devices |
This subclass has no definition. | |
244R | SUPPORT MOUNTING, CARRIER OR FAIRING STRUCTURE |
This subclass is indented under the class definition. Apparatus comprising impeller* having (1) support* structure,
(2) securing means not provided for above, (3) carrier* structure
or (4) drag or head resistance reducing means such as a smooth outline
member or covering supported on the impeller carrier.
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245R | . Spinner or fairwater cap |
This subclass is indented under subclass 244. Apparatus comprising a conical member coaxially mounted
on the impeller shaft or hub proximate the blading such that the
apex of said conical member comprises either the upstream or downstream
terminus of the impeller.
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245A | .. Water or marine propellers |
This subclass has no definition. | |
246 | . Selectively adjustable impeller mount |
This subclass is indented under subclass 244. Apparatus wherein an impeller is mounted on a support for
movement to various positions of use or to a nonuse position.
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244A | . Turbo machine |
This subclass has no definition. | |
244B | . Water or marine propellers |
This subclass has no definition. | |
247R | PROTECTIVE SCREEN OR GUARD |
This subclass is indented under the class definition. Apparatus wherein an obstructing member or open frame structure
is located adjacent or about the impelling means to prevent contact of
the impelling means by foreign objects or by animals.
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247A | . Water or marine propellers |
This subclass has no definition. | |
248 | MISCELLANEOUS (E.G., BLADE ROOT OR ROOT BLOCK, ETC.) |
This subclass is indented under the class definition. Apparatus not otherwise provided for above.
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500 | VIBRATION DAMPING FEATURES |
An impeller* or working member* which
is so designed or includes means associated therewith for the purpose
of reducing undesirable vibrational motion induced by the operation thereof.
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501 | FLY BRUSH TYPE IMPELLER |
An impelling member formed of loose flexible material, usually
in divided or sectional form, such that movement of the member produces
a rustling sound effect in addition to a current of air scare or
brush away flies and the like.
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FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |
DIG1 | STALKER |
This subclass has no definition. | |
DIG2 | FORMULAS OF CURVES, ETC. |
This subclass has no definition. | |
DIG3 | SHEET METAL |
This subclass has no definition. | |
DIG4 | FLUID CURRENT MOTOR AND GENERATOR |
This subclass has no definition. | |
DIG5 | VARIABLE CAMBER OR CHORD LENGTH |
This subclass has no definition. | |
DIG6 | SUPPORTS FOR NATURAL FLUID CURRENT MOTORS |
This subclass has no definition. | |
DIG7 | INLET AND OUTLET |
This subclass has no definition. | |
DIG8 | STACK OR CHIMNEY WITH FLUID MOTOR |
This subclass has no definition. | |
DIG9 | SAVONIUS |
This subclass has no definition. | |