Class   92	EXPANSIBLE CHAMBER DEVICES
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1

WITH TEMPERATURE COMPENSATION

2

ONE WORKING MEMBER RECIPROCATES AND ANOTHER ROTATES COMMON OUTPUT MEMBER

3

WITH DISENGAGEABLE ROTARY DRIVE FOR MOVING WORKING MEMBER

5R

WITH (1) SIGNAL OR INDICATOR OR (2) INSPECTION WINDOW IN EXPANSIBLE CHAMBER WALL PORTION

5L

. (1 indent ) With lock

6R

EFFECTIVE AREA OF WORKING MEMBER END FACE SELECTIVELY VARIABLE

6D

. (1 indent ) With diaphragm

7

WITH OVERCENTER MEANS TO BIAS WORKING MEMBER IN OPPOSITE DIRECTIONS OVER DIFFERENT PORTIONS OF STROKE

8

WITH MEANS TO CONTROL FLOW OF NON-WORKING ARRESTING FLUID FOR WORKING MEMBER

9

. (1 indent ) Flow control means positioned between chambers having a common wall movable with working member

10

. (1 indent ) Work member position control

11

.. (2 indent ) With auxiliary adjustable throttle (12)

12

. (1 indent ) Adjustable throttle (11)

12.1

DISPLACEMENT CONTROL OF PLURAL CYLINDERS ARRANGED IN PARALLEL, RADIAL, OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS

12.2

. (1 indent ) Parallel cylinders

13

.. (2 indent ) WITH ADJUSTABLE MEANS TO VARY STROKE OF WORKING MEMBER

13.1

. (1 indent ) Having motor-operated adjustment

13.2

. (1 indent ) Flexible wall-type working member

13.3

. (1 indent ) Stroke of one working member adjustable relative to another

13.4

. (1 indent ) Predetermined discrete incremental adjustment positions

13.41

.. (2 indent ) Adjustment by assembly or disassembly

13.5

. (1 indent ) Independent adjustment of opposite stroke limits of single reciprocating working member

13.51

. (1 indent ) Axial adjustment of spaced, rigidly interconnected working member faces

13.6

. (1 indent ) Adjustable abutment positioned within working chamber

13.7

. (1 indent ) BY adjusting or limiting motion of relatively movable power transmission element

13.8

. (1 indent ) Adjustment means includes external axially extending threaded piston stem

14

WORKING MEMBER MOVES LOAD AND LATCHING MEANS FOR LOAD

15

WITH RELEASABLE STOP OR LATCH MEANS TO PREVENT MOVEMENT OF WORKING MEMBER

16

. (1 indent ) With timing or delay means

17

. (1 indent ) Engages member coaxial with and rotatable relative to working member

18

. (1 indent ) Includes interfitting parts engageable at plural positions including position intermediate stroke limits

19

.. (2 indent ) Self-engaging

20

. (1 indent ) Engages power element movable relative to working member

21R

. (1 indent ) Plural selectively operable actuators for releasable means

21MR

.. (2 indent ) Manual release

22

. (1 indent ) Relatively movable working members with interdependent means

23

. (1 indent ) Means includes element interfitting between working member and fixed part

24

.. (2 indent ) Element actuated or retained in operative position by relatively movable fluid responsive member

25

... (3 indent ) With pivoted link between element and member

26

... (3 indent ) Resilient element

27

.. (2 indent ) Fluid actuated (28)

28

. (1 indent ) Fluid actuated (27)

29

WITH RELEASABLE LATCH MEANS BETWEEN WORKING MEMBER AND POWER TRANSMISSION ELEMENT AXIALLY SLIDABLE THEREIN

30

WITH RESILIENT DETENT

31

RECTILINEARLY MOVING WORKING MEMBER AND COAXIAL OR PARALLEL ELEMENT SLIDABLY INTERENGAGED FOR RELATIVE ROTARY MOVEMENT

32

. (1 indent ) Working fluid-actuated interengaging means permits unidirectional rotation of element relative to fixed part

33

. (1 indent ) Element extends through working member portion

34

BELLOWS TYPE EXPANSIBLE CHAMBER

35

. (1 indent ) Expansible chamber formed by concentric bellows

36

. (1 indent ) With non-bellows type expansible chamber

37

. (1 indent ) Plural bellows

38

.. (2 indent ) Non-working liquid moved by first bellows effects movement of second bellows

39

.. (2 indent ) With common movable wall

40

. (1 indent ) With separate biasing means

41

. (1 indent ) With vibration damping means

42

. (1 indent ) With separate ring-like reinforcing element abutting pleat

43

. (1 indent ) With stop means to limit axial movement of bellows

44

. (1 indent ) With guide means

45

. (1 indent ) Superposed peripherally interconnected elements

46

.. (2 indent ) With nonmetallic portion

47

. (1 indent ) Specific or diverse material (103)

48

PLURAL FLEXIBLE WALL WORKING MEMBERS

49

. (1 indent ) Diaphragm type having working fluid contacting areas of different size

50

. (1 indent ) Oppositely movable walls of common chamber (69) (75)

51

MUTUALLY RELATIVELY MOVABLE CYLINDER OR SLEEVE, MEMBER SEALINGLY SLIDABLE THEREIN AND OUTER CYLINDER THEREFOR

52

. (1 indent ) Cylinder or sleeve forms working member

53

. (1 indent ) With additional cylinder relatively slidable exteriorly of outer cylinder

54

ROTATING CYLINDER

55

. (1 indent ) Fluid conduit coaxial with axis of rotation

56

. (1 indent ) Plural cylinders

57

.. (2 indent ) Axes of cylinders parallel to axis of rotation

58

.. (2 indent ) Axes of cylinders intersect axis of rotation at common point

58.1

KNOCKDOWN OR FLOW CONDUIT STORAGE OR RETRIEVAL MEANS

59

CONVERTIBLE, OR CHANGEABLE BY ASSEMBLY OR DISASSEMBLY

60

WITH FLEXIBLE OR RESILIENTLY BIASED NON-WORKING MEMBER MOVABLE WALL IN CONSTANT COMMUNICATION WITH WORKING CHAMBER

60.5

SELECTIVE CLEARANCE CONTROL

61

RELATIVELY MOVABLE WORKING MEMBERS

62

. (1 indent ) First working member moves second coaxial working member through separating abutment surfaces

63

.. (2 indent ) With separate biasing means for a working member

64

. (1 indent ) One a flexible wall type

65

. (1 indent ) Rigid stem on first working member portion extends through second working member

66

. (1 indent ) Moving cylinders

67

. (1 indent ) Oscillating working members

68

. (1 indent ) Interconnected with common rotatable shaft

69R

.. (2 indent ) Oppositely movable walls of common chamber (50) (75)

70

... (3 indent ) Shaft axis parallel to axes of working members (71)

69A

... (3 indent ) One piston rod passes through opposite piston rod

69B

... (3 indent ) Single crankshaft offset from center of work chamber

71

.. (2 indent ) Shaft axis parallel to axes of working members (70)

72

.. (2 indent ) Shaft axis intersected by axes of working members

73

... (3 indent ) Parallel working members

74

.... (4 indent ) Shaft extends transversely through working members

75

. (1 indent ) Oppositely movable walls of common chamber (50) (69)

76

. (1 indent ) Interconnected by linkage having relatively movable members

77

GROUND EMBEDDED EXPANSIBLE CHAMBER

78

WITH FLUID PURIFYING MEANS

79

. (1 indent ) Means separates gas from liquid

80

WITH FORCE EXERTING MEANS TO MOVE FLUID FROM NON-WORKING CHAMBER

81

WORKING MEMBER FORMS RESERVOIR FOR NON-COMPRESSIBLE WORKING FLUID

82

WITH MEANS TO CONTROL FLUID FLOW FROM NON-WORKING CHAMBER

83

LIQUID POOL SEALING RELATIVELY MOVABLE CHAMBER WALLS

84

RESILIENT MEANS INTERPOSED BETWEEN WORKING MEMBER AND RELATIVELY MOVABLE POWER TRANSMISSION ELEMENT

85R

WITH CUSHIONING MEANS EFFECTIVE OVER A PORTION ONLY OF STROKE

85A

. (1 indent ) Metal spring

85B

. (1 indent ) Fluid spring

86

WITH REMOVAL CONDUIT FOR LIQUID SEEPAGE FROM EXPANSIBLE CHAMBER

86.5

PASSAGE IN CYLINDER FOR APPLICATION OF SEPARATE FLUID TO CYLINDER AND PISTON SIDE WALL INTERFACE

87

WITH NON-SEALING CLEANING MEANS

88

SEALED OPENING IN LONGITUDINAL WALL OF CHAMBER FOR RECEIVING WORKING MEMBER PORTION

89

COLLAPSIBLE CHAMBER WALL PORTION (E.G., HINGED OR FLEXIBLE WALL)

90

. (1 indent ) Wall portion formed of flexible material

91

.. (2 indent ) Envelope having restricted fluid opening

92

... (3 indent ) Non-metallic

93

.. (2 indent ) Annular flexible wall portion peripherally sealed to spaced relatively fixed concentric rigid members

94

.. (2 indent ) With separate biasing means

95

... (3 indent ) Adjustable

96

.. (2 indent ) Diaphragm type

97

... (3 indent ) Axially spaced flexible wall portions with interposed incompressible means

98R

... (3 indent ) Entire periphery secured to rigid working chamber forming wall

99

.... (4 indent ) With undistortable member secured to central portion of diaphragm

100

....• (5 indent ) Member includes coextensive plate-like elements secured to opposite side of diaphragm

101

.... (4 indent ) Abutment connection between diaphragm and power transmission element

102

.... (4 indent ) With separate seal means between diaphragm and member

98D

.... (4 indent ) Rolling diaphragm

103R

... (3 indent ) Specific or diverse material (47)

103F

.... (4 indent ) With reinforcement embedded in diaphragm

103SD

.... (4 indent ) Synthetic diaphragm (non-metal and non-rubber)

103M

.... (4 indent ) Metal diaphragm

104

... (3 indent ) Corrugated

105

.. (2 indent ) Coaxial radially spaced relatively movable undistortable members joined by flexible wall

106

FLUID CONDUIT IN CONSTANT COMMUNICATION WITH RELATIVELY ROTATABLE WORKING CHAMBER

107

ANNULAR WORKING MEMBER OR ANNULAR LINEARLY EXTENDING CHAMBER THEREFOR

108

. (1 indent ) Axially extending hollow stem on working member

109

PISTON WITH RIGID AXIALLY EXTENDING HOLLOW STEM

110

. (1 indent ) Hollow stem forms axially extending fluid passage

111

.. (2 indent ) Plural laterally spaced passages

112

.. (2 indent ) Passage communicates with lateral port extending through piston side wall portion

113

. (1 indent ) Relatively movable elongated part within stem

114

.. (2 indent ) Part and stem relatively axially adjustable

115

... (3 indent ) Part forms actuator for piston side wall portion adjusting means

116

WITH AXIALLY EXTENDING ELEMENT MOUNTED ON WORKING MEMBER FOR RELATIVE ROTARY MOVEMENT ONLY

117R

MOVING CYLINDER

118

. (1 indent ) Pivoted

119

.. (2 indent ) With fluid conduit extending through pivoted connection

117A

. (1 indent ) Stationary piston or movable piston with moving cylinder

120

OSCILLATING WORKING MEMBER OR CYLINDER THEREFOR

121

. (1 indent ) Oscillatory shaft with radially extending vane

122

.. (2 indent ) Plural angularly related vanes

123

.. (2 indent ) With lost motion connection between vane and shaft

124

.. (2 indent ) With resiliently biased vane peripheral portion

125

.. (2 indent ) Vane includes non-metallic peripheral sealing portion

126

WITH DIFFERENTIAL RADIAL THRUST PRODUCING MEANS FOR WORKING MEMBER

127

. (1 indent ) Fluid pressure type

128

WITH ASSEMBLY OR DISASSEMBLY FACILITATING MEANS

129

ABUTMENT CONNECTION BETWEEN WORKING MEMBER AND POWER TRANSMISSION ELEMENT

130R

WITH SEPARATE BIASING MEANS FOR WORKING MEMBER

131

. (1 indent ) Biasing means maintains working member intermediate stroke end limits

132

. (1 indent ) Tension spring

133

. (1 indent ) Adjustable

134

. (1 indent ) Fluid spring

135

. (1 indent ) Biasing means engages working fluid contacting portion of working member

130A

. (1 indent ) Bias normally held inoperative by fluid pressure

130B

. (1 indent ) Bias other than coil spring

130C

. (1 indent ) Bias external of both expanding and contracting chamber

130D

. (1 indent ) Plural coil springs

136

WITH TOOTHED GEAR, SPLINE OR THREAD RIGID WITH WORKING MEMBER

137

WITH FLEXIBLE TRANSMISSION ELEMENT SECURED TO WORKING MEMBER

138

WITH LINKAGE OR TRANSMISSION ENGAGING PORTION INTERMEDIATE SPACED WORKING MEMBER END FACES

139

WITH CYLINDER WALL CONTACTING GUIDE ARTICULATED TO PISTON

140

WITH LINKAGE OR TRANSMISSION HAVING RELATIVELY MOVABLE MEMBERS

141

WITH SEPARABLE FLUID DEFLECTING SHIELD OR BAFFLE ON WORKING MEMBER

142

WITH RESERVOIR FOR NON-COMPRESSIBLE WORKING FLUID

143

WITH MOVEMENT DAMPING MEANS (E.G., FLUID FLOW RESTRICTOR)

144

WITH ENCOMPASSING HEAT EXCHANGE MODIFYING SPACE OR JACKET

145

COMBINED

146

PLURAL UNITARILY MOUNTED CYLINDERS OR FRAME THEREFOR (161)

147

. (1 indent ) With casing or support for rotary shaft

148

.. (2 indent ) Three or more radially arranged cylinders

149

.. (2 indent ) V-type

150

.. (2 indent ) Coaxial cylinder (151)

151

. (1 indent ) Coaxial cylinders (150)

152

.. (2 indent ) With different cross-sectional areas

153

WITH LUBRICATING MEANS

154

. (1 indent ) Lubricant entrained by working fluid

155

. (1 indent ) Portion of expansible chamber device includes solid lubricating material

156

. (1 indent ) Valve means in lubricant passage

157

. (1 indent ) Lubricant passage extends axially through articulated piston rod

158

. (1 indent ) Piston has lubricant retaining or conducting means

159

.. (2 indent ) Pocket or chamber

160

.. (2 indent ) Port or passage extending through side wall portion

161

WITH SUPPORT OR FRAME (146)

161.5

. (1 indent ) Wheel supported

162R

SPACED CYLINDER AND PISTON WALLS DEFINE PASSAGE BETWEEN OPPOSED PISTON SIDE WALL ENDS

162P

. (1 indent ) Passage in piston

163

FLUID CONDUIT OR PORT IN FIXED WALL OF WORKING CHAMBER

164

. (1 indent ) Port in separable chamber end closure

165R

WITH GUIDE OR SEAL ON CYLINDER END PORTION FOR PISTON OR MEMBER MOVED BY PISTON

166

. (1 indent ) Additional guide is spaced chamber end wall

167

. (1 indent ) Guide movable laterally

168

. (1 indent ) Non-metallic seal means between piston or member and end portion

165PR

. (1 indent ) Prevent rotation

169.1

CYLINDER DETAIL

169.2

. (1 indent ) With reinforcing member

169.3

.. (2 indent ) Extending through working member

169.4

... (3 indent ) Coaxial sleeve or tube

170.1

. (1 indent ) Nonmetallic piston contacting portion

171.1

. (1 indent ) Cylinder or liner retained in casing by casing closure or closure associated means

172

PISTON

173

. (1 indent ) With rotation imparting fluid impinging surface on piston part

174

. (1 indent ) Liquid between axially spaced side wall portions

175

. (1 indent ) Spaced faces joined by rigid stem (e.g., spool)

176

. (1 indent ) With enclosed insulating space in piston part

177

. (1 indent ) Non-circular

178

. (1 indent ) With ball or roller anti-friction means on side wall portion

179

. (1 indent ) Articulated connecting rod end forms portions of piston face

181R

. (1 indent ) With fluid passage in piston face

182

.. (2 indent ) Passage communicates with packing receiving recess

183

... (3 indent ) Valved

184

... (3 indent ) Passage in opposed piston faces

185

.... (4 indent ) Passages communicate with common packing receiving recess

181P

.. (2 indent ) Passage thru piston to opposite chamber

186

. (1 indent ) With ported chamber in piston part for circulating heat exchange fluid

187

. (1 indent ) With separable means for pivotally mounting connecting rod to piston

188

.. (2 indent ) Means retained by annulus positioned about piston periphery

189

.. (2 indent ) Piston formed of separable end face and side wall portion

190

... (3 indent ) Means secures end face portion to side wall portion

191

.. (2 indent ) Fastener for separable means extends through end face portion

192

. (1 indent ) Plural integral radially extending resilient metallic sealing tongues on side wall portion

193

. (1 indent ) With spring means for biasing side wall portion radially

194

.. (2 indent ) Biased portion comprises peripheral axially extending flexible lip

195

.. (2 indent ) Open ended hollow skirt comprises biased portion

196

... (3 indent ) Spring part positioned in skirt slit

197

... (3 indent ) Adjustable bias (199)

198

... (3 indent ) Split annular type spring (200)

199

.. (2 indent ) Adjustable bias (197)

200

.. (2 indent ) Split annular type spring (198)

201

. (1 indent ) Radially adjustable side wall portion

202

.. (2 indent ) Adjustable portion comprises open-ended hollow skirt

203

... (3 indent ) Adjustment effected by wedge member movable relative to skirt (207)

204

.. (2 indent ) Adjustment effected by selectively removable spacer or skim element between relatively movable parts

205

.. (2 indent ) Side wall portion positioned between relatively axially adjustable rigid end members

206

... (3 indent ) With beveled abutting surfaces between side wall portion and an end member

207

.. (2 indent ) Adjustment effected by wedge member movable relative to side wall portion (203)

208

. (1 indent ) Open-ended hollow skirt type (e.g., trunk type)

209

.. (2 indent ) Frusto conical skirt

210

.. (2 indent ) With weight balancing means

211

.. (2 indent ) Element of diverse material extending through skirt wall abuts circumferentially extending resilient ring

212

.. (2 indent ) With nonmetallic portion

213

.. (2 indent ) End face surface includes areas of diverse material

214

.. (2 indent ) Spaced wall skirt

215

.. (2 indent ) Separate resilient elements secures end face portion to skirt portion

216

.. (2 indent ) Plural separable parts

217

... (3 indent ) Interconnected by relative rotation of parts

218

.... (4 indent ) With means to prevent relative rotation of parts

219

... (3 indent ) Interconnected without separate fastening means

220

... (3 indent ) Threaded fastener

221

.... (4 indent ) Fastener extends through end face

222

.. (2 indent ) Specific or diverse material; or welded, brazed or soldered joint

223

... (3 indent ) Coated

224

... (3 indent ) End face and skirt periphery of diverse material

225

... (3 indent ) Element of diverse material for limiting radial movement of skirt part

226

.... (4 indent ) Bi-metallic restraining element

227

.... (4 indent ) Element positioned about periphery of skirt

228

.... (4 indent ) Element portion embedded in piston part

229

....• (5 indent ) Annular element

230

....•. (6 indent ) Element encircles connecting rod pin supporting boss

231

... (3 indent ) Welded, brazed or soldered (260)

232

.. (2 indent ) Spaced skirt parts jointed by resilient arcuate web

233

.. (2 indent ) Oval-shaped skirt portion

234

.. (2 indent ) Skirt includes slit

235

... (3 indent ) Slit transverse to skirt axis

236

.... (4 indent ) With additional angularly related slit

237

.. (2 indent ) Circumferentially spaced portions at free end of skirt

238

.. (2 indent ) Connecting rod pin supporting boss laterally spaced from skirt portion

239

.. (2 indent ) With rib or strut means on piston part

240

. (1 indent ) Side wall portion includes peripheral axially extending flexible lip

241

.. (2 indent ) With embedded reinforcing means in lip portion (254)

242

.. (2 indent ) Plural axially spaced lips

243

... (3 indent ) Oppositely facing

244

.... (4 indent ) Lips formed on separable elements

245

.. (2 indent ) Lip forms peripheral portion of imperforate cup shaped element

246

.. (2 indent ) Metallic lip

247

. (1 indent ) Fluid pressure responsive axial movement of end face portion radially moves side wall portion

248

. (1 indent ) Nonmetallic portion

249

.. (2 indent ) Flexible

250

... (3 indent ) Flexible side wall portion between separable axially spaced rigid members

251

.... (4 indent ) Wall portion comprises plural axially aligned flexible elements

252

....• (5 indent ) Three or more elements

253

... (3 indent ) Axially spaced flexible side wall forming elements with interposed rigid spacer member

254

... (3 indent ) With imbedded reinforcing means (241)

255

. (1 indent ) Plural separable parts

256

.. (2 indent ) Fastening means for parts include resilient element

257

.. (2 indent ) Side wall portion interposed between separable axially spaced rigid members

258

... (3 indent ) Rigid members connected by coaxial rigid stem or rod

259

.. (2 indent ) Side wall portion and relatively movable piston part having abutting inclined surfaces

260

. (1 indent ) Welded, brazed or soldered (231)

261

MISCELLANEOUS (E.G., CRANKCASE)

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

	DIGESTS

DIG1

BEARING ON PISTON OR CYLINDER

DIG2

FLUID BEARING

DIG3

FLEXIBLE DRIVE

DIG4

LOST MOTION

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