| Subclass |
| Title |
|---|
|
ClassTitle
|
| ===>
EXPANSIBLE CHAMBER DEVICES
|
| | | |
| 1 | ![[Patents]](../gifs/ps.gif) | 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 | | . With lock |
| 6R | | EFFECTIVE AREA OF WORKING MEMBER END FACE SELECTIVELY VARIABLE |
| 6D | | . 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 | | . Flow control means positioned between chambers having a common wall movable with working member |
| 10 | | . Work member position control |
| 11 | | . . With auxiliary adjustable throttle (12) |
| 12 | | . Adjustable throttle (11) |
| 12.1 | | DISPLACEMENT CONTROL OF PLURAL CYLINDERS ARRANGED IN PARALLEL, RADIAL, OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS |
| 12.2 | | . Parallel cylinders |
| 13 | | . . WITH ADJUSTABLE MEANS TO VARY STROKE OF WORKING MEMBER |
| 13.1 | | . Having motor-operated adjustment |
| 13.2 | | . Flexible wall-type working member |
| 13.3 | | . Stroke of one working member adjustable relative to another |
| 13.4 | | . Predetermined discrete incremental adjustment positions |
| 13.41 | | . . Adjustment by assembly or disassembly |
| 13.5 | | . Independent adjustment of opposite stroke limits of single reciprocating working member |
| 13.51 | | . Axial adjustment of spaced, rigidly interconnected working member faces |
| 13.6 | | . Adjustable abutment positioned within working chamber |
| 13.7 | | . BY adjusting or limiting motion of relatively movable power transmission element |
| 13.8 | | . 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 | | . With timing or delay means |
| 17 | | . Engages member coaxial with and rotatable relative to working member |
| 18 | | . Includes interfitting parts engageable at plural positions including position intermediate stroke limits |
| 19 | | . . Self-engaging |
| 20 | | . Engages power element movable relative to working member |
| 21R | | . Plural selectively operable actuators for releasable means |
| 21MR | | . . Manual release |
| 22 | | . Relatively movable working members with interdependent means |
| 23 | | . Means includes element interfitting between working member and fixed part |
| 24 | | . . Element actuated or retained in operative position by relatively movable fluid responsive member |
| 25 | | . . . With pivoted link between element and member |
| 26 | | . . . Resilient element |
| 27 | | . . Fluid actuated (28) |
| 28 | | . 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 | | . Working fluid-actuated interengaging means permits unidirectional rotation of element relative to fixed part |
| 33 | | . Element extends through working member portion |
| 34 | | BELLOWS TYPE EXPANSIBLE CHAMBER |
| 35 | | . Expansible chamber formed by concentric bellows |
| 36 | | . With non-bellows type expansible chamber |
| 37 | | . Plural bellows |
| 38 | | . . Non-working liquid moved by first bellows effects movement of second bellows |
| 39 | | . . With common movable wall |
| 40 | | . With separate biasing means |
| 41 | | . With vibration damping means |
| 42 | | . With separate ring-like reinforcing element abutting pleat |
| 43 | | . With stop means to limit axial movement of bellows |
| 44 | | . With guide means |
| 45 | | . Superposed peripherally interconnected elements |
| 46 | | . . With nonmetallic portion |
| 47 | | . Specific or diverse material (103) |
| 48 | | PLURAL FLEXIBLE WALL WORKING MEMBERS |
| 49 | | . Diaphragm type having working fluid contacting areas of different size |
| 50 | | . Oppositely movable walls of common chamber (69) (75) |
| 51 | | MUTUALLY RELATIVELY MOVABLE CYLINDER OR SLEEVE, MEMBER SEALINGLY SLIDABLE THEREIN AND OUTER CYLINDER THEREFOR |
| 52 | | . Cylinder or sleeve forms working member |
| 53 | | . With additional cylinder relatively slidable exteriorly of outer cylinder |
| 54 | | ROTATING CYLINDER |
| 55 | | . Fluid conduit coaxial with axis of rotation |
| 56 | | . Plural cylinders |
| 57 | | . . Axes of cylinders parallel to axis of rotation |
| 58 | | . . 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 | | . First working member moves second coaxial working member through separating abutment surfaces |
| 63 | | . . With separate biasing means for a working member |
| 64 | | . One a flexible wall type |
| 65 | | . Rigid stem on first working member portion extends through second working member |
| 66 | | . Moving cylinders |
| 67 | | . Oscillating working members |
| 68 | | . Interconnected with common rotatable shaft |
| 69R | | . . Oppositely movable walls of common chamber (50) (75) |
| 70 | | . . . Shaft axis parallel to axes of working members (71) |
| 69A | | . . . One piston rod passes through opposite piston rod |
| 69B | | . . . Single crankshaft offset from center of work chamber |
| 71 | | . . Shaft axis parallel to axes of working members (70) |
| 72 | | . . Shaft axis intersected by axes of working members |
| 73 | | . . . Parallel working members |
| 74 | | . . . . Shaft extends transversely through working members |
| 75 | | . Oppositely movable walls of common chamber (50) (69) |
| 76 | | . Interconnected by linkage having relatively movable members |
| 77 | | GROUND EMBEDDED EXPANSIBLE CHAMBER |
| 78 | | WITH FLUID PURIFYING MEANS |
| 79 | | . 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 | | . Metal spring |
| 85B | | . 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 | | . Wall portion formed of flexible material |
| 91 | | . . Envelope having restricted fluid opening |
| 92 | | . . . Non-metallic |
| 93 | | . . Annular flexible wall portion peripherally sealed to spaced relatively fixed concentric rigid members |
| 94 | | . . With separate biasing means |
| 95 | | . . . Adjustable |
| 96 | | . . Diaphragm type |
| 97 | | . . . Axially spaced flexible wall portions with interposed incompressible means |
| 98R | | . . . Entire periphery secured to rigid working chamber forming wall |
| 99 | | . . . . With undistortable member secured to central portion of diaphragm |
| 100 | | . . . . . Member includes coextensive plate-like elements secured to opposite side of diaphragm |
| 101 | | . . . . Abutment connection between diaphragm and power transmission element |
| 102 | | . . . . With separate seal means between diaphragm and member |
| 98D | | . . . . Rolling diaphragm |
| 103R | | . . . Specific or diverse material (47) |
| 103F | | . . . . With reinforcement embedded in diaphragm |
| 103SD | | . . . . Synthetic diaphragm (non-metal and non-rubber) |
| 103M | | . . . . Metal diaphragm |
| 104 | | . . . Corrugated |
| 105 | | . . 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 | | . Axially extending hollow stem on working member |
| 109 | | PISTON WITH RIGID AXIALLY EXTENDING HOLLOW STEM |
| 110 | | . Hollow stem forms axially extending fluid passage |
| 111 | | . . Plural laterally spaced passages |
| 112 | | . . Passage communicates with lateral port extending through piston side wall portion |
| 113 | | . Relatively movable elongated part within stem |
| 114 | | . . Part and stem relatively axially adjustable |
| 115 | | . . . 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 | | . Pivoted |
| 119 | | . . With fluid conduit extending through pivoted connection |
| 117A | | . Stationary piston or movable piston with moving cylinder |
| 120 | | OSCILLATING WORKING MEMBER OR CYLINDER THEREFOR |
| 121 | | . Oscillatory shaft with radially extending vane |
| 122 | | . . Plural angularly related vanes |
| 123 | | . . With lost motion connection between vane and shaft |
| 124 | | . . With resiliently biased vane peripheral portion |
| 125 | | . . Vane includes non-metallic peripheral sealing portion |
| 126 | | WITH DIFFERENTIAL RADIAL THRUST PRODUCING MEANS FOR WORKING MEMBER |
| 127 | | . 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 | | . Biasing means maintains working member intermediate stroke end limits |
| 132 | | . Tension spring |
| 133 | | . Adjustable |
| 134 | | . Fluid spring |
| 135 | | . Biasing means engages working fluid contacting portion of working member |
| 130A | | . Bias normally held inoperative by fluid pressure |
| 130B | | . Bias other than coil spring |
| 130C | | . Bias external of both expanding and contracting chamber |
| 130D | | . 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 | | . With casing or support for rotary shaft |
| 148 | | . . Three or more radially arranged cylinders |
| 149 | | . . V-type |
| 150 | | . . Coaxial cylinder (151) |
| 151 | | . Coaxial cylinders (150) |
| 152 | | . . With different cross-sectional areas |
| 153 | | WITH LUBRICATING MEANS |
| 154 | | . Lubricant entrained by working fluid |
| 155 | | . Portion of expansible chamber device includes solid lubricating material |
| 156 | | . Valve means in lubricant passage |
| 157 | | . Lubricant passage extends axially through articulated piston rod |
| 158 | | . Piston has lubricant retaining or conducting means |
| 159 | | . . Pocket or chamber |
| 160 | | . . Port or passage extending through side wall portion |
| 161 | | WITH SUPPORT OR FRAME (146) |
| 161.5 | | . Wheel supported |
| 162R | | SPACED CYLINDER AND PISTON WALLS DEFINE PASSAGE BETWEEN OPPOSED PISTON SIDE WALL ENDS |
| 162P | | . Passage in piston |
| 163 | | FLUID CONDUIT OR PORT IN FIXED WALL OF WORKING CHAMBER |
| 164 | | . Port in separable chamber end closure |
| 165R | | WITH GUIDE OR SEAL ON CYLINDER END PORTION FOR PISTON OR MEMBER MOVED BY PISTON |
| 166 | | . Additional guide is spaced chamber end wall |
| 167 | | . Guide movable laterally |
| 168 | | . Non-metallic seal means between piston or member and end portion |
| 165PR | | . Prevent rotation |
| 169.1 | | CYLINDER DETAIL |
| 169.2 | | . With reinforcing member |
| 169.3 | | . . Extending through working member |
| 169.4 | | . . . Coaxial sleeve or tube |
| 170.1 | | . Nonmetallic piston contacting portion |
| 171.1 | | . Cylinder or liner retained in casing by casing closure or closure associated means |
| 172 | | PISTON |
| 173 | | . With rotation imparting fluid impinging surface on piston part |
| 174 | | . Liquid between axially spaced side wall portions |
| 175 | | . Spaced faces joined by rigid stem (e.g., spool) |
| 176 | | . With enclosed insulating space in piston part |
| 177 | | . Non-circular |
| 178 | | . With ball or roller anti-friction means on side wall portion |
| 179 | | . Articulated connecting rod end forms portions of piston face |
| 181R | | . With fluid passage in piston face |
| 182 | | . . Passage communicates with packing receiving recess |
| 183 | | . . . Valved |
| 184 | | . . . Passage in opposed piston faces |
| 185 | | . . . . Passages communicate with common packing receiving recess |
| 181P | | . . Passage thru piston to opposite chamber |
| 186 | | . With ported chamber in piston part for circulating heat exchange fluid |
| 187 | | . With separable means for pivotally mounting connecting rod to piston |
| 188 | | . . Means retained by annulus positioned about piston periphery |
| 189 | | . . Piston formed of separable end face and side wall portion |
| 190 | | . . . Means secures end face portion to side wall portion |
| 191 | | . . Fastener for separable means extends through end face portion |
| 192 | | . Plural integral radially extending resilient metallic sealing tongues on side wall portion |
| 193 | | . With spring means for biasing side wall portion radially |
| 194 | | . . Biased portion comprises peripheral axially extending flexible lip |
| 195 | | . . Open ended hollow skirt comprises biased portion |
| 196 | | . . . Spring part positioned in skirt slit |
| 197 | | . . . Adjustable bias (199) |
| 198 | | . . . Split annular type spring (200) |
| 199 | | . . Adjustable bias (197) |
| 200 | | . . Split annular type spring (198) |
| 201 | | . Radially adjustable side wall portion |
| 202 | | . . Adjustable portion comprises open-ended hollow skirt |
| 203 | | . . . Adjustment effected by wedge member movable relative to skirt (207) |
| 204 | | . . Adjustment effected by selectively removable spacer or skim element between relatively movable parts |
| 205 | | . . Side wall portion positioned between relatively axially adjustable rigid end members |
| 206 | | . . . With beveled abutting surfaces between side wall portion and an end member |
| 207 | | . . Adjustment effected by wedge member movable relative to side wall portion (203) |
| 208 | | . Open-ended hollow skirt type (e.g., trunk type) |
| 209 | | . . Frusto conical skirt |
| 210 | | . . With weight balancing means |
| 211 | | . . Element of diverse material extending through skirt wall abuts circumferentially extending resilient ring |
| 212 | | . . With nonmetallic portion |
| 213 | | . . End face surface includes areas of diverse material |
| 214 | | . . Spaced wall skirt |
| 215 | | . . Separate resilient elements secures end face portion to skirt portion |
| 216 | | . . Plural separable parts |
| 217 | | . . . Interconnected by relative rotation of parts |
| 218 | | . . . . With means to prevent relative rotation of parts |
| 219 | | . . . Interconnected without separate fastening means |
| 220 | | . . . Threaded fastener |
| 221 | | . . . . Fastener extends through end face |
| 222 | | . . Specific or diverse material; or welded, brazed or soldered joint |
| 223 | | . . . Coated |
| 224 | | . . . End face and skirt periphery of diverse material |
| 225 | | . . . Element of diverse material for limiting radial movement of skirt part |
| 226 | | . . . . Bi-metallic restraining element |
| 227 | | . . . . Element positioned about periphery of skirt |
| 228 | | . . . . Element portion embedded in piston part |
| 229 | | . . . . . Annular element |
| 230 | | . . . . . . Element encircles connecting rod pin supporting boss |
| 231 | | . . . Welded, brazed or soldered (260) |
| 232 | | . . Spaced skirt parts jointed by resilient arcuate web |
| 233 | | . . Oval-shaped skirt portion |
| 234 | | . . Skirt includes slit |
| 235 | | . . . Slit transverse to skirt axis |
| 236 | | . . . . With additional angularly related slit |
| 237 | | . . Circumferentially spaced portions at free end of skirt |
| 238 | | . . Connecting rod pin supporting boss laterally spaced from skirt portion |
| 239 | | . . With rib or strut means on piston part |
| 240 | | . Side wall portion includes peripheral axially extending flexible lip |
| 241 | | . . With embedded reinforcing means in lip portion (254) |
| 242 | | . . Plural axially spaced lips |
| 243 | | . . . Oppositely facing |
| 244 | | . . . . Lips formed on separable elements |
| 245 | | . . Lip forms peripheral portion of imperforate cup shaped element |
| 246 | | . . Metallic lip |
| 247 | | . Fluid pressure responsive axial movement of end face portion radially moves side wall portion |
| 248 | | . Nonmetallic portion |
| 249 | | . . Flexible |
| 250 | | . . . Flexible side wall portion between separable axially spaced rigid members |
| 251 | | . . . . Wall portion comprises plural axially aligned flexible elements |
| 252 | | . . . . . Three or more elements |
| 253 | | . . . Axially spaced flexible side wall forming elements with interposed rigid spacer member |
| 254 | | . . . With imbedded reinforcing means (241) |
| 255 | | . Plural separable parts |
| 256 | | . . Fastening means for parts include resilient element |
| 257 | | . . Side wall portion interposed between separable axially spaced rigid members |
| 258 | | . . . Rigid members connected by coaxial rigid stem or rod |
| 259 | | . . Side wall portion and relatively movable piston part having abutting inclined surfaces |
| 260 | | . Welded, brazed or soldered (231) |
| 261 | | MISCELLANEOUS (E.G., CRANKCASE) |
| | | ****************************** |
| | | DIGESTS |
| | | ****************************** |
| DIG 1 | | Bearing on piston or cylinder |
| DIG 2 | | Fluid bearing |
| DIG 3 | | Flexible drive |
| DIG 4 | | Lost motion |
![[Manual of Classification, Class Listing]](../gifs/moc.gif)
![[Classification Index]](../gifs/c_index.gif)
![[USPTO Home Page]](../gifs/home.gif)
![[Top]](../gifs/top.gif)