Version: 2024.08
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CPC | COOPERATIVE PATENT CLASSIFICATION | |||
| F01C | ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES (internal-combustion aspects F02B 53/00, F02B 55/00) [2018-08] NOTES
WARNING
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| F01C 1/00 | Rotary-piston machines or engines (with axes of co-operating members non parallel F01C 3/00; with the working-chamber walls at least partly resiliently deformable F01C 5/00; with fluid ring or the like F01C 7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B 13/00) [2016-05] |
F01C 1/02 | . | of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents [2013-01] |
F01C 1/0207 | . . | {both members having co-operating elements in spiral form} [2013-01] |
F01C 1/0215 | . . . | {where only one member is moving} [2013-01] |
F01C 1/0223 | . . . . | {with symmetrical double wraps} [2013-01] |
F01C 1/023 | . . . | {where both members are moving} [2013-01] |
F01C 1/0238 | . . . . | {with symmetrical double wraps} [2013-01] |
F01C 1/0246 | . . . | {Details concerning the involute wraps or their base, e.g. geometry} [2013-01] |
F01C 1/0253 | . . . . | {Details concerning the base} [2013-01] |
F01C 1/0261 | . . . . . | {Details of the ports, e.g. location, number, geometry} [2013-01] |
F01C 1/0269 | . . . . | {Details concerning the involute wraps} [2013-01] |
F01C 1/0276 | . . . . . | {Different wall heights} [2013-01] |
F01C 1/0284 | . . . . . | {Details of the wrap tips} [2013-01] |
F01C 1/0292 | . . . . . | {Ports or channels located in the wrap} [2013-01] |
F01C 1/04 | . . | of internal-axis type [2013-01] |
F01C 1/045 | . . . | {having a C-shaped piston} [2013-01] |
F01C 1/06 | . . |
F01C 1/063 | . . | with coaxially-mounted members having continuously-changing circumferential spacing between them [2014-02] |
F01C 1/067 | . . . | having cam-and-follower type drive [2014-02] |
F01C 1/07 | . . . | having crankshaft-and-connecting-rod type drive [2014-02] |
F01C 1/073 | . . . | having pawl-and-ratchet type drive [2014-02] |
F01C 1/077 | . . . | having toothed-gearing type drive [2014-02] |
F01C 1/08 | . | of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing [2013-01] |
F01C 1/082 | . . | {Details specially related to intermeshing engagement type machines or engines} [2013-01] |
F01C 1/084 | . . . | {Toothed wheels} [2013-01] |
F01C 1/086 | . . . | {Carter} [2013-01] |
F01C 1/088 | . . . | {Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement} [2013-01] |
F01C 1/10 | . . | of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member [2013-01] |
F01C 1/101 | . . . | {Moineau-type} [2013-01] |
F01C 1/102 | . . . | {with a crescent shaped filler element located between the intermeshing elements} [2013-01] |
F01C 1/103 | . . . | {the two members rotating simultaneously around their respective axes} [2013-01] |
F01C 1/104 | . . . | {one member having simultaneously a rotational movement about its own axis and an orbital movement} [2013-01] |
F01C 1/105 | . . . . | {and having an articulated driving shaft} [2013-01] |
F01C 1/107 | . . . | with helical teeth [2013-01] |
F01C 1/113 | . . . | the inner member carrying rollers intermeshing with the outer member [2013-01] |
F01C 1/12 | . . | of other than internal-axis type [2013-01] |
F01C 1/123 | . . . | {with tooth-like elements, extending generally radially from the rotor body cooperating with recesses in the other rotor, e.g. one tooth} [2013-01] |
F01C 1/126 | . . . | {with elements extending radially from the rotor body not necessarily cooperating with corresponding recesses in the other rotor, e.g. lobes, Roots type} [2013-01] |
F01C 1/14 | . . . | with toothed rotary pistons [2013-01] |
F01C 1/16 | . . . . | with helical teeth, e.g. chevron-shaped, screw type {(for non-parallel axes of movement F01C 3/00)} [2013-01] |
F01C 1/165 | . . . . . | {having more than two rotary pistons with parallel axes} [2013-01] |
F01C 1/18 | . . . . |
F01C 1/20 | . . . . |
F01C 1/22 | . | of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member [2017-08] |
F01C 1/24 | . | of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions [2013-01] |
F01C 1/26 | . . | of internal-axis type [2013-01] |
F01C 1/28 | . . | of other than internal-axis type [2013-01] |
F01C 1/30 | . |
F01C 1/32 | . . | having both the movement defined in group F01C 1/02 and relative reciprocation between the co-operating members [2013-01] |
F01C 1/321 | . . . | {with vanes hinged to the inner member and reciprocating with respect to the inner member} [2013-01] |
F01C 1/322 | . . . | {with vanes hinged to the outer member and reciprocating with respect to the outer member} [2013-01] |
F01C 1/324 | . . . | with vanes hinged to the inner member and reciprocating with respect to the outer member [2013-01] |
F01C 1/328 | . . . . | and hinged to the outer member [2013-01] |
F01C 1/332 | . . . | with vanes hinged to the outer member and reciprocating with respect to the inner member [2013-01] |
F01C 1/336 | . . . . | and hinged to the inner member [2013-01] |
F01C 1/34 | . . |
F01C 1/344 | . . . | with vanes reciprocating with respect to the inner member [2013-01] |
F01C 1/3441 | . . . . | {the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation} [2013-01] |
F01C 1/3442 | . . . . . | {the surfaces of the inner and outer member, forming the working space, being surfaces of revolution} [2013-01] |
F01C 1/3443 | . . . . . | {with a separation element located between the inlet and outlet opening} [2013-01] |
F01C 1/3445 | . . . . . | {the vanes having the form of rollers, slippers or the like} [2013-01] |
F01C 1/3446 | . . . . | {the inner and outer member being in contact along more than one line or surface} [2013-01] |
F01C 1/3447 | . . . . . | {the vanes having the form of rollers, slippers or the like} [2013-01] |
F01C 1/3448 | . . . . | {with axially movable vanes} [2013-01] |
F01C 1/348 | . . . . | the vanes positively engaging, with circumferential play, an outer rotatable member [2013-01] |
F01C 1/352 | . . . . | the vanes being pivoted on the axis of the outer member [2013-01] |
F01C 1/356 | . . . | with vanes reciprocating with respect to the outer member [2013-01] |
F01C 1/3562 | . . . . | {the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation} [2013-01] |
F01C 1/3564 | . . . . . | {the surfaces of the inner and outer member, forming the working space, being surfaces of revolution} [2013-01] |
F01C 1/3566 | . . . . | {the inner and outer member being in contact along more than one line or surface} [2013-01] |
F01C 1/3568 | . . . . | {with axially movable vanes} [2013-01] |
F01C 1/36 | . . |
F01C 1/38 | . . |
F01C 1/39 | . . . | with vanes hinged to the inner as well as to the outer member [2013-01] |
F01C 1/40 | . . |
F01C 1/44 | . . . | with vanes hinged to the inner member [2013-01] |
F01C 1/46 | . . . | with vanes hinged to the outer member [2013-01] |
F01C 3/00 | Rotary-piston machines or engines with non-parallel axes of movement of co-operating members (with the working-chamber walls being at least partly resiliently deformable F01C 5/00) [2013-01] |
F01C 3/02 | . | the axes being arranged at an angle of 90 degrees [2013-01] |
F01C 3/025 | . . | {of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing} [2013-01] |
F01C 3/04 | . . | with axially sliding vanes [2013-01] |
F01C 3/06 | . | the axes being arranged otherwise than at an angle of 90 degrees [2013-01] |
F01C 3/08 | . . | of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing [2013-01] |
F01C 3/085 | . . . | {the axes of cooperating members being on the same plane} [2013-01] |
F01C 5/00 | Rotary-piston machines or engines with the working-chamber walls at least partly resiliently deformable [2013-01] |
F01C 5/02 | . | the resiliently-deformable wall being part of the inner member, e.g. of a rotary piston [2013-01] |
F01C 5/04 | . | the resiliently-deformable wall being part of the outer member, e.g. of a housing [2013-01] |
F01C 5/06 | . | the resiliently-deformable wall being a separate member [2013-01] |
F01C 5/08 | . . | of tubular form, e.g. hose [2013-01] |
F01C 7/00 | Rotary-piston machines or engines with fluid ring or the like [2013-01] |
F01C 9/00 | Oscillating-piston machines or engines [2013-01] |
F01C 9/002 | . | {the piston oscillating around a fixed axis} [2013-01] |
F01C 9/005 | . | {the piston oscillating in the space, e.g. around a fixed point (rotary piston machines or engines with non-parallel axes of rotation between co-operating members F01C 3/00)} [2013-01] |
F01C 9/007 | . | {the points of the moving element describing approximately an alternating movement in axial direction with respect to the other element} [2013-01] |
F01C 11/00 | Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type (F01C 13/00 takes precedence; combinations of two or more pumps F04; fluid gearing F16H) [2013-01] |
F01C 11/002 | . | {of similar working principle} [2013-01] |
F01C 11/004 | . . | {and of complementary function, e.g. internal combustion engine with supercharger} [2013-01] |
F01C 11/006 | . | {of dissimilar working principle} [2013-01] |
| F01C 11/008 | . . | {and of complementary function, e.g. internal combustion engine with supercharger} [2013-01] NOTE
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F01C 13/00 | Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby [2024-01] |
F01C 13/02 | . | for driving hand-held tools or the like [2013-01] |
F01C 13/04 | . | for driving pumps or compressors [2013-01] |
F01C 17/00 | Arrangements for drive of co-operating members, e.g. for rotary piston and casing [2013-01] |
F01C 17/02 | . |
F01C 17/04 | . |
F01C 17/06 | . |
F01C 17/063 | . . | {with only rolling movement} [2013-01] |
F01C 17/066 | . . | {with an intermediate piece sliding along perpendicular axes, e.g. Oldham coupling} [2013-01] |
F01C 19/00 |
F01C 19/005 | . | {Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements (vane construction F01C 21/0809; piston rings and ring sealings of similar construction in general F16J 9/00)} [2013-01] |
F01C 19/02 | . | Radially-movable sealings for working fluids [2017-08] |
F01C 19/025 | . . | {Radial sealing elements specially adapted for intermeshing engagement type machines or engines, e.g. gear machines or engines} [2013-01] |
F01C 19/04 | . . | of rigid material [2013-01] |
F01C 19/06 | . . | of resilient material [2013-01] |
F01C 19/08 | . | Axially-movable sealings for working fluids [2017-08] |
F01C 19/085 | . . | {Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or engines, e.g. gear machines or engines} [2013-01] |
F01C 19/10 | . | Sealings for working fluids between radially and axially movable parts [2013-01] |
F01C 19/12 | . | for other than working fluid [2013-01] |
F01C 19/125 | . . | {Shaft sealings specially adapted for rotary or oscillating-piston machines or engines} [2013-01] |
F01C 20/00 | Control of, monitoring of, or safety arrangements for, machines or engines [2013-01] |
F01C 20/02 | . | specially adapted for several machines or engines connected in series or in parallel [2013-01] |
F01C 20/04 | . | specially adapted for reversible machines or engines [2013-01] |
F01C 20/06 | . | specially adapted for stopping, starting, idling or no-load operation [2013-01] |
F01C 20/08 | . | characterised by varying the rotational speed [2013-01] |
F01C 20/10 | . | characterised by changing the positions of the inlet or outlet openings with respect to the working chamber [2017-08] |
F01C 20/12 | . . | using sliding valves [2013-01] |
F01C 20/125 | . . . | {with sliding valves controlled by the use of fluid other than the working fluid} [2013-01] |
F01C 20/14 | . . | using rotating valves [2013-01] |
F01C 20/16 | . . | using lift valves [2013-01] |
F01C 20/18 | . | characterised by varying the volume of the working chamber (by changing the positions of inlet or outlet openings F01C 20/10) [2013-01] |
F01C 20/185 | . . | {by varying the useful pumping length of the cooperating members in the axial direction} [2013-01] |
F01C 20/20 | . . | by changing the form of the inner or outlet contour of the working chamber [2013-01] |
F01C 20/22 | . . | by changing the eccentricity between cooperating members [2013-01] |
F01C 20/24 | . | characterised by using valves for controlling pressure or flow rate, e.g. discharge valves (F01C 20/10 takes precedence) [2017-02] |
F01C 20/26 | . . | using bypass channels [2013-01] |
F01C 20/265 | . . . | {being obtained by displacing a lateral sealing face} [2013-01] |
F01C 20/28 | . | Safety arrangements; Monitoring [2013-01] |
F01C 21/00 | Component parts, details or accessories not provided for in groups F01C 1/00 - F01C 20/00 [2016-05] |
F01C 21/001 | . | {Injection of a fluid in the working chamber for sealing, cooling and lubricating (sealing only F01C 17/00; lubrication only F01C 21/04; cooling only F01C 21/06; injecting water or steam in internal combustion engines F02B 47/02, F02D 21/00, F02M 25/00)} [2013-01] |
F01C 21/002 | . . | {with control systems for the injection of the fluid} [2013-01] |
F01C 21/003 | . | {Systems for the equilibration of forces acting on the elements of the machine (interstice adjustment other than by fluid pressure F01C 21/102)} [2013-01] |
F01C 21/005 | . . | {Internal leakage control} [2013-01] |
F01C 21/006 | . . | {Equalization of pressure pulses (silencing for compressors F04C 29/06)} [2013-01] |
F01C 21/007 | . | {General arrangements of parts; Frames and supporting elements} [2013-01] |
F01C 21/008 | . |
F01C 21/02 | . |
F01C 21/04 | . |
F01C 21/045 | . . | {Control systems for the circulation of the lubricant} [2013-01] |
F01C 21/06 | . |
F01C 21/08 | . |
F01C 21/0809 | . . | {Construction of vanes or vane holders} [2013-01] |
F01C 21/0818 | . . . | {Vane tracking; control therefor} [2013-01] |
F01C 21/0827 | . . . . | {by mechanical means} [2013-01] |
F01C 21/0836 | . . . . . | {comprising guiding means, e.g. cams, rollers} [2013-01] |
F01C 21/0845 | . . . . . | {comprising elastic means, e.g. springs} [2013-01] |
F01C 21/0854 | . . . . | {by fluid means} [2013-01] |
F01C 21/0863 | . . . . . | {the fluid being the working fluid} [2013-01] |
F01C 21/0872 | . . . . . | {the fluid being other than the working fluid} [2013-01] |
F01C 21/0881 | . . . | {the vanes consisting of two or more parts} [2013-01] |
F01C 21/089 | . . . | {for synchronised movement of the vanes} [2013-01] |
F01C 21/10 | . | Outer members for co-operation with rotary pistons; Casings (casings for rotary engines or machines in general F16M) [2013-01] |
F01C 21/102 | . . | {Adjustment of the interstices between moving and fixed parts of the machine by means other than fluid pressure} [2013-01] |
F01C 21/104 | . . | {Stators; Members defining the outer boundaries of the working chamber} [2013-01] |
F01C 21/106 | . . . | {with a radial surface, e.g. cam rings} [2013-01] |
F01C 21/108 | . . . | {with an axial surface, e.g. side plates} [2013-01] |
F01C 2021/12 | . | {Control of working fluid admission or discharge} [2013-01] |
F01C 2021/125 | . . | {Arrangements for supercharging the working space} [2013-01] |
F01C 2021/14 | . . | {for variable fluid distribution} [2013-01] |
F01C 2021/16 | . | {Other regulation or control} [2013-01] |
F01C 2021/1606 | . . | {Variation of the working chamber} [2013-01] |
F01C 2021/1612 | . . . | {by changing the eccentricity of an element with respect to another element} [2013-01] |
F01C 2021/1618 | . . . | {by changing the positions of the inlet and outlet openings with respect to the working chambers} [2013-01] |
F01C 2021/1625 | . . . . | {with sliding or rotating valves, adjustable in position} [2013-01] |
F01C 2021/1631 | . . . . . | {with sliding valves controlled by the use of fluid other than the working fluid} [2013-01] |
F01C 2021/1637 | . . . | {by changing the form of the radially inner or the radially outer contour of the working chamber} [2013-01] |
F01C 2021/1643 | . . | {by using valves regulating pressure and flow rate, e.g. discharge valves} [2013-01] |
F01C 2021/165 | . . . | {using a by-pass channel} [2013-01] |
F01C 2021/1656 | . . . . | {being obtained by displacing a lateral sealing face} [2013-01] |
F01C 2021/1662 | . . . | {with venting means} [2013-01] |
F01C 2021/1668 | . . | {with several machines or engines connected in series or in parallel} [2013-01] |
F01C 2021/1675 | . . | {with reversible machines or engines} [2013-01] |
F01C 2021/1681 | . . | {by varying the rotational speed} [2013-01] |
F01C 2021/1687 | . . | {Safety arrangements} [2013-01] |
F01C 2021/1693 | . . | {Stopping or starting, idling or no-load operation} [2013-01] |
F01C 21/18 | . | Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet [2013-01] |
F01C 21/183 | . . | {Arrangements for supercharging the working space (similar arrangements for internal combustion engines F02B 33/00, F02B 27/00)} [2013-01] |
F01C 21/186 | . . | {for variable fluid distribution} [2013-01] |