Class   416	FLUID REACTION SURFACES (I.E., IMPELLERS)
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1

METHOD OF OPERATION

2

HAVING FRANGIBLE OR FUSIBLE PART OR CONNECTION

3

ACTUATION DIRECTLY RESPONSIVE TO MAGNETIC OR ELECTRICAL EFFECT

4

ROTARY SKIN FRICTION TYPE (E.G., MAGNUS ROTOR, ETC.)

5

WITH ILLUMINATION MEANS

6

DRIVEN BY PULSATING OR DIVERSE WORKING FLUID

7

WORKING MEMBER SUPPORTED ON ENDLESS FLEXIBLE CARRIER

8

. (1 indent ) Feathering blades

9

WITH MEANS POSITIONING FLUID CURRENT DRIVEN IMPELLER RELATIVE TO FLOW DIRECTION

10

. (1 indent ) Offset relative to flow direction

11

.. (2 indent ) Upstream pivotal mounting

12

.. (2 indent ) Responsive to folding or feathering of flow-aligned vane

13

.. (2 indent ) Horizontal deflection relative to flow-aligned vane

14

... (3 indent ) With impeller brake or stop

15

... (3 indent ) And responsive to transverse vane

16

... (3 indent ) Biased to position by weight of parts

17

. (1 indent ) Feathering cycle related to flow direction

18

WITH GYROSCOPIC REFERENCE MEANS FOR ROTOR CONTROL

19

SINGLE BLADE ROTARY IMPELLER WITH COUNTERBALANCE

20R

DRIVE BY FLUID REACTION JET ON WORKING MEMBER

21

. (1 indent ) Combustion chamber carried by member

22

.. (2 indent ) Air-ingestion rotor tip unit

20A

. (1 indent ) Articulated or flexible connection

23

WITH MEANS MOVING WORKING FLUID DEFLECTING WORKING MEMBER PART DURING OPERATION (E.G., AILERON, ETC.)

24

. (1 indent ) Cyclic movement of member or part

25

INTERRELATED CONTROLS FOR IMPELLER AND DRIVE MEANS

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. (1 indent ) Pitch adjustment related to drive brake or clutch operation

27

. (1 indent ) Pitch adjustment and throttle regulation with condition sensing means

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.. (2 indent ) Temperature responsive control

29

.. (2 indent ) Drive engine intake air responsive control

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.. (2 indent ) Electrical control or sensing means

31

WITH CONTROL MEANS RESPONSIVE TO NON-CYCLIC CONDITION SENSING, CENTRIFUGAL ACTUATION, TORQUE OR THRUST

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. (1 indent ) Control of drive brake or clutch

33

. (1 indent ) Plural distinct impellers having related control

34

.. (2 indent ) Synchronizing

35

. (1 indent ) With electrical means comparing and reducing error related to preset datum

36

. (1 indent ) Plural diverse condition responsive

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.. (2 indent ) Relative ambient condition sensing (e.g., temperature, density, wind force, etc.)

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.. (2 indent ) Drive engine condition excluding shaft speed or torque

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. (1 indent ) Temperature or icing condition responsive

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. (1 indent ) Responsive to relative working fluid velocity

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.. (2 indent ) Natural fluid current

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. (1 indent ) Pressure or altitude responsive

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. (1 indent ) Responsive to condition of torque or thrust of device or driving or driven means or mechanism

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. (1 indent ) Impeller rotation speed responsive

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.. (2 indent ) Valve element directly movable by centrifugal force

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.. (2 indent ) Including pitch lock or adjustable stop

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.. (2 indent ) Control by means of separate motor

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... (3 indent ) Motor carried by impeller

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.. (2 indent ) Including reset or manual override of control

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... (3 indent ) Of centrifugal weight governor

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.. (2 indent ) Centrifugal mass moved along guided or lineal path

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.. (2 indent ) Centrifugal mass coaxial with impeller

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... (3 indent ) Pivot axis parallel to rotation axis

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OPERATED BY ART DEVICE

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. (1 indent ) Vehicular device

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. (1 indent ) Runner supported rocking device

57

.. (2 indent ) Inertial actuation

58

.. (2 indent ) Continuous impeller rotation

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. (1 indent ) Pivot supported swinging device

60

. (1 indent ) Integral with or directly attached to rotary device or part (e.g., flywheel, pulley, etc.)

61

WITH MEASURING, TESTING, SIGNALLING OR INSPECTION MEANS

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REMOVABLE AUXILIARY ATTACHMENT TO WORK SURFACE

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AMBULANT, BODY SUPPORTED OR WITH CARRYING HANDLE

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TRANSLATORY REACTION MOTION

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. (1 indent ) And concurrent rotary reaction motion

66

. (1 indent ) Flexible or relatively movable working member or part

67

.. (2 indent ) Valve type

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.. (2 indent ) Complemental pivoted surfaces

69

OPERATOR SUPPORTED MANUALLY ACTUATED TYPE

70R

. (1 indent ) Operation solely by direct hand manipulation

71

.. (2 indent ) Simulation or having indicia, ornamentation or combined feature

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.. (2 indent ) Relatively movable portions

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... (3 indent ) Arcuate planar folding of working surface

70A

.. (2 indent ) Fans

74

. (1 indent ) Fulcrum support type (e.g., oar, scull, etc.)

75

. (1 indent ) Reciprocatory pin-slot actuator

76

. (1 indent ) Rotary hand crank (e.g., egg beater, etc.)

77

.. (2 indent ) Intermeshing or interdigitated working members

78

CRANK TYPE DIPPING OR STIRRING MOTION

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OSCILLATORY REACTION MOTION

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. (1 indent ) With pendulum, counterbalance or inertial weight

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. (1 indent ) Flexible working member

82

. (1 indent ) Relatively movable working member portions

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. (1 indent ) Compound motion (e.g., feathering, undulating, etc.)

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BUOYANT OR INFLATABLE WORKING MEMBER

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FLOAT SUPPORTED

86

. (1 indent ) Buoyant hub or rim

87

RADIALLY EXTENSIBLE OR RETRACTIBLE ROTOR WORKING MEMBER

88

. (1 indent ) Variable work surface or non-rigid connection

89

. (1 indent ) Having pitch adjustment

90R

WITH FLUID PASSAGE IN WORKING MEMBER COMMUNICATING WITH WORKING FLUID

91

. (1 indent ) Both inlet and outlet to working fluid

92

. (1 indent ) Discharge solely at periphery normal to rotation axis

90A

. (1 indent ) Air and watercraft propellers

93R

AMBIENT FLUID OR EXHAUST GAS DIRECTED THROUGH HUB, FAIRING OR HOUSING

94

. (1 indent ) Aircraft spinner or cowling

93A

. (1 indent ) Water or marine propellers

95

WITH HEATING, COOLING OR THERMAL INSULATION MEANS

96R

. (1 indent ) Changing state mass within or fluid flow through working member or carrier

97R

.. (2 indent ) Flow exhausted to working fluid

97A

... (3 indent ) Laminated or porous skin

96A

.. (2 indent ) Blade inserts

98

SUSTAINED ANCILLARY MOVEMENT OF ROTARY WORKING MEMBER (E.G., CYCLIC FEATHERING, ETC.)

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. (1 indent ) Intermounted rotary members

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. (1 indent ) Continuous rotor oscillation

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. (1 indent ) Cyclic radial movement

102

. (1 indent ) Responsive to carrier tilt

103

. (1 indent ) Lead-lag type rotor blade movement

104

.. (2 indent ) And additional correlated blade movement (e.g., pitch change, etc.)

105

.. (2 indent ) Positive means effecting lead-lag movement

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.. (2 indent ) With movement restraining means (i.e., damping)

107

... (3 indent ) Resilient bias or limit stop

108

. (1 indent ) By actuator eccentric to rotation axis

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.. (2 indent ) Stationary eccentric guide or track

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. (1 indent ) Continuous rotation about plural axes

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.. (2 indent ) Motion about parallel axes

112

. (1 indent ) Responsive to fixed actuator (e.g., cam or trip, etc.)

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.. (2 indent ) Axial cam

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... (3 indent ) Selectively adjustable

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.... (4 indent ) Plural impellers

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.. (2 indent ) Stationary cam track or guide surface

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. (1 indent ) Responsive to gravity or working fluid force

118

.. (2 indent ) Having manual control or adjustment

119

.. (2 indent ) Motion about parallel axes

120

PLURAL IMPELLERS HAVING RELATIVE MOVEMENT OR INDEPENDENT SUPPORTS

121

. (1 indent ) Shiftable support

122

. (1 indent ) Intersecting or interdigitated paths of operation

123

. (1 indent ) Divergent rotation axes

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. (1 indent ) Coaxial rotation

125

.. (2 indent ) Individual prime mover

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.. (2 indent ) Concentric working members

127

.. (2 indent ) Concurrent adjustment

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.. (2 indent ) Oppositely rotating impellers

129

... (3 indent ) Engine driven

130

. (1 indent ) Differential or independent adjustment

131

ARTICULATED, RESILIENTLY MOUNTED OR SELF-SHIFTING IMPELLER OR WORKING MEMBER

132R

. (1 indent ) Sectional, staged or nonrigid working member

132A

.. (2 indent ) Flexible sheet or plate

132B

.. (2 indent ) Windmills

133

. (1 indent ) Axially displaceable rotary carrier (e.g., hub, etc.)

134R

. (1 indent ) Nonmetallic resilient mounting

134A

.. (2 indent ) Aircraft rotors

135

. (1 indent ) Resilient bias or mount

136

.. (2 indent ) Rotary working member pivotable solely about radial axis

137

... (3 indent ) Convolute spring coaxial with impeller shaft

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.. (2 indent ) With manual control means

139

. (1 indent ) Including weight bias means

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. (1 indent ) Including movement limit stop or damping means

141

. (1 indent ) Plural articulation

142

WORKING MEMBER FOLDABLE, PIVOTABLE OR COLLAPSIBLE TO NON-USE POSITION

143

. (1 indent ) Member movement in rotation plane

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WITH WEIGHT-BALANCING MEANS

145

. (1 indent ) Self-shifting or selectively adjustable mass

146R

COMBINED OR CONVERTIBLE

146A

. (1 indent ) Hub lubrication or seal

147

HAVING POSITIVE MEANS FOR IMPELLER ADJUSTMENT

148

. (1 indent ) Tiltable carrier (e.g., hub, etc.)

149

. (1 indent ) Shiftable carrier support

150

.. (2 indent ) Rectilinear motion

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. (1 indent ) Power derived from impeller shaft

152

.. (2 indent ) By brake application or release

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. (1 indent ) Having pitch lock or adjustable stop

154

.. (2 indent ) Fluid motor for impeller adjustment

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. (1 indent ) Motor bodily rotatable with impeller hub or shaft

156

.. (2 indent ) Fluid motor

157R

... (3 indent ) Coaxial with impeller shaft

157A

.... (4 indent ) Rotary fluid motor

157B

.... (4 indent ) Plural blade units

158

... (3 indent ) Working member mounted or housed

159

. (1 indent ) Power or manual actuator on non-rotatable part

160

.. (2 indent ) Planetary gearing connecting rotatable and non-rotatable parts

161

.. (2 indent ) Axially movable impeller

162

.. (2 indent ) Having motor

163

.. (2 indent ) Adjustment rod through entire impeller shaft

164

.. (2 indent ) Reciprocating sleeve or collar on or rod in impeller shaft

165

... (3 indent ) Reciprocated by coaxial screw

166

... (3 indent ) Rack-pinion connection to working member

167

... (3 indent ) Pin-slot or cam-slot connection to working member

168R

... (3 indent ) Link connection to working member

168A

.... (4 indent ) Turbo-machine

169R

HAVING CLUTCH OR BRAKE MEANS

169A

. (1 indent ) Engine cooling fans

170R

SPECIFIC DRIVE OR TRANSMISSION MEANS

171

. (1 indent ) Impeller driven by fluid motor

172

. (1 indent ) Alternating rotation

173

. (1 indent ) Manual powered means

170HM

. (1 indent ) Hand mixers

174

HAVING LUBRICATING, SEALING, PACKING OR SPECIFIC BEARING MEANS BETWEEN IMPELLER OR SHAFT AND STATIC PART

175

DIVERSE IMPELLERS OR WORKING MEMBERS

176

SPIRAL BLADE OR FLOW PASSAGE (360 DEGREE)

177

. (1 indent ) Flow confining casing, shroud or passage

178

PERIMETRIC BLADING EXTENDING AXIALLY BETWEEN ANNULAR MEMBERS (E.G., SQUIRREL CAGE TYPE, ETC.)

179

ROTOR HAVING FLOW CONFINING OR DEFLECTING WEB, SHROUD OR CONTINUOUS PASSAGE

180

. (1 indent ) Blades projecting axially from concavo-convex annular web

181

. (1 indent ) Apertured or foraminous web or shroud

182

. (1 indent ) Radially extending web or end plate

183

.. (2 indent ) Circumferentially or radially angulated or discontinuous blades or sections (e.g., stepped, etc.)

184

.. (2 indent ) Spaced intermediate ends of opposed axial flow impeller

185

.. (2 indent ) Circumferentially and radially continuous web or end plate

186R

... (3 indent ) Having opposed annular surface between adjacent blades

187

.... (4 indent ) Angularly spaced, axially elongated blades (i.e., squirrel cage type)

186A

.... (4 indent ) Adjustable blade or part

188

... (3 indent ) Conical web

189

. (1 indent ) Axially extending shroud ring or casing

190

.. (2 indent ) Vibration inhibiting or expansion-contraction structure

191

.. (2 indent ) Segmental shroud

192

.. (2 indent ) Having radial flange

193R

.. (2 indent ) Spaced inwardly of impeller periphery

193A

... (3 indent ) Root platforms

194

LASHING BETWEEN WORKING MEMBERS OR EXTERNAL BRACING

195

. (1 indent ) Peripheral

196R

. (1 indent ) Connecting adjacent work surfaces

196A

.. (2 indent ) Non-turbo machine (windmills)

197R

CUPPED REACTION SURFACE NORMAL TO ROTATION PLANE

197A

. (1 indent ) Air and water motors (natural fluid current)

197B

. (1 indent ) Pelton wheels (impulse wheels)

197C

. (1 indent ) Torque converters

198R

MULTIPLE AXIALLY SPACED WORKING MEMBERS

199

. (1 indent ) Opposed axial flow

200R

. (1 indent ) Circumferentially offset

200A

.. (2 indent ) Turbo machine

201R

. (1 indent ) Differing radii

201A

.. (2 indent ) Non-turbo machine

198A

. (1 indent ) Turbo machine

202

PROJECTING BLADE AXIS OFFSET FROM ROTATION AXIS

203

UNSYMMETRICAL IMPELLER OR DISSIMILAR WORKING MEMBERS

204R

SPECIFIC WORKING MEMBER MOUNT

205

. (1 indent ) Adjustable

206

.. (2 indent ) Spring biased detent

207

.. (2 indent ) Blade releasably clamped

208

... (3 indent ) Split impeller hub

209

.. (2 indent ) Thimble or sleeve fixed on impeller blade

210R

. (1 indent ) Distally supported on radial arm

211

.. (2 indent ) Axially extending blade

210A

.. (2 indent ) Turbo machine

212R

. (1 indent ) Interlocking blades

212A

.. (2 indent ) Turbo machine

213R

. (1 indent ) Welded, cemented or fused

213A

.. (2 indent ) Non-turbo machine

214R

. (1 indent ) Blade held between separable surfaces

214A

.. (2 indent ) Turbo machine

215

. (1 indent ) Blade received by continuous circumferential channel

216

.. (2 indent ) Radially spaced ribs or grooves

217

.. (2 indent ) Divided blade root

218

.. (2 indent ) Having circumferentially extending binder

219R

. (1 indent ) Blade received in well or slot

220R

.. (2 indent ) Having blade locking means

221

... (3 indent ) Resilient or deformable

220A

... (3 indent ) Non-turbo machine

219A

.. (2 indent ) Non-turbo machine

222

. (1 indent ) Blade straddles carrier

204A

. (1 indent ) Turbo machine

223R

SPECIFIC BLADE STRUCTURE (E.G., SHAPE, MATERIAL, ETC.)

224

. (1 indent ) Having wear liner, sheathing or insert

225

. (1 indent ) Having spanwise compression means

226

. (1 indent ) Formed with main spar

227R

. (1 indent ) Openwork (e.g., lattice, looped, etc.)

227A

.. (2 indent ) Propeller and non-mixers

228

. (1 indent ) Tined or irregular periphery

229R

. (1 indent ) Laminated, embedded member or encased material

230

.. (2 indent ) Wire, fiber, strand or fabric

229A

.. (2 indent ) Turbo machine

231R

. (1 indent ) Apertured or permeable

231A

.. (2 indent ) Mixers or agitators

231B

.. (2 indent ) Slotted blade

232

. (1 indent ) Hollow

233

.. (2 indent ) Having brace means bridging cavity

234

. (1 indent ) Integrally shaped or blended into hub

235

. (1 indent ) Irregular, flanged or channel forming blade surface

236R

.. (2 indent ) Ribbed or grooved

236A

... (3 indent ) Concentric or circular ribs

237

.. (2 indent ) Angular or offset

238

. (1 indent ) Cantilever blade

239

. (1 indent ) Blade cuff or shank construction

240

. (1 indent ) Flexible

241R

. (1 indent ) Coating, specific composition or characteristic

241A

.. (2 indent ) Plastic or synthetic material

241B

.. (2 indent ) Ceramic material

242

. (1 indent ) Reverse curve surface

243

. (1 indent ) Concave surface

223A

. (1 indent ) Turbo machine

223B

. (1 indent ) Radial flow devices

244R

SUPPORT MOUNTING, CARRIER OR FAIRING STRUCTURE

245R

. (1 indent ) Spinner or fairwater cap

245A

.. (2 indent ) Water or marine propellers

246

. (1 indent ) Selectively adjustable impeller mount

244A

. (1 indent ) Turbo machine

244B

. (1 indent ) Water or marine propellers

247R

PROTECTIVE SCREEN OR GUARD

247A

. (1 indent ) Water or marine propellers

248

MISCELLANEOUS (E.G., BLADE ROOT OR ROOT BLOCK, ETC.)

	CROSS-REFERENCE ART COLLECTIONS

500

VIBRATION DAMPING FEATURES

501

FLY BRUSH TYPE IMPELLER

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

	DIGESTS

DIG1

STALKER

DIG2

FORMULAS OF CURVES, ETC.

DIG3

SHEET METAL

DIG4

FLUID CURRENT MOTOR AND GENERATOR

DIG5

VARIABLE CAMBER OR CHORD LENGTH

DIG6

SUPPORTS FOR NATURAL FLUID CURRENT MOTORS

DIG7

INLET AND OUTLET

DIG8

STACK OR CHIMNEY WITH FLUID MOTOR

DIG9

SAVONIUS

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