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Class Number: 91 Class Title: MOTORS: EXPANSIBLE CHAMBER TYPE Subclass Subclass Number Title 1 WITH SIGNAL, INDICATOR OR INSPECTION MEANS 2 CUTOFF OR CONTROL AFTER PREDETERMINED NUMBER OF CYCLES OR REVOLUTIONS 3 JET CONTROL TYPE 4 R HYDRO-PNEUMATIC 4 A .With float mechanism 5 WORKING MEMBER MOVED BY STORED MOTIVE FLUID CHARGE 6 FLUID SUPPLY THROUGH DIVERSE PATHS TO SINGLE EXPANSIBLE CHAMBER 6.5 .Three or more cylinders arranged in parallel, radial or conical relationship with rotary transmission axis 7 .Selective cyclic and noncyclic operation or parking 8 .Semi-compound type 9 ..Changeable by shiftable distributor 10 ..With condition responsive change-over valve 11 .Changeable from multiple expansion to simple operation 12 .Cyclically operable motor with port reversing 13 ..By shifting distributor seat 14 ..By shifting distributor 15 ..Selector valve between distributor and motor 16 .Drifting or coasting on lower pressure 17 ..With speed responsive cutoff of drifting fluid 18 ..Pressure control of drifting fluid 19 .Diverse paths used to control extent of working member travel 20 .Position responsive 21 ..Rotating working member or chamber 22 ..Preliminary inlet to contracting chamber (e.g., cushioning) 23 ...By bypassing from expanding chamber (399) 24 ..Additional inlet path opened in response to position 25 ...Working member or part carried thereby uncovers inlet port 26 ....First path has check valve or selectively adjustable throttle 27 ..Plural simultaneous paths, one cutoff in response to position 28 .Second path activated in response to pressure or flow in first path 29 ..By pressure rise in first path 30 .Serially arranged reversing valves 31 .One path includes restriction 32 .Activation of one path disables second path 33 ..Pressure operated 34 SINGLE ACTING, CHANGEABLE TO OR FROM DOUBLE ACTING 35 INDEPENDENTLY OPERATED TIMER, DELAY, PATTERN OR CYCLIC CONTROL 36 .Of independently movable working members 37 .Pattern or template control 38 .Fluid actuated valve with volume chamber delay means 39 .Independent distributor actuation for cyclic control 40 ..Fluid actuated distributor motor 41 WITH CORRELATED CONTROL OF MOTIVE FLUID AND LOCKING MEANS 42 .By electrical control means 43 .Working member position control of motive fluid and locking means 44 .Sequential operation of locking means and motive fluid control 45 .Common or interconnected valve means control motive fluid andd fluid for locking means 46 WITH INTERRELATED CONTROL OF MOTIVE FLUID AND LUBRICANT 47 CONSTANTLY APPLIED MOTIVE FLUID WITH CONTROLLED VENTING 48 .Plural separately controlled vents 49 .Fluid vented through working member 50 .Cyclically operable 51 .Motive fluid constantly applied to and vented from opposed chambers 52 CONSTANTLY OPEN THROTTLED EXHAUST WITH CONTROLLED MOTIVE FLUID SUPPLY 53 ENGINE ROTATING OR STARTING TYPE 54 CONVERTIBLE; OR CHANGEABLE BY DISASSEMBLY OR ASSEMBLY 55 COMBINED 59 TORQUE RESPONSIVE MOTIVE FLUID CONTROL 61 ROTARY AND RECIPROCATING WORKING MEMBERS 151 SERIALLY FORMED EXPANDING WORKING CHAMBERS (E.G., ENDLESS) 152 MULTIPLE EXPANSION 153 .Duplex 154 ..Cut-off or reversing 155 .With fluid actuated distributor 156 .Concentric working chambers 157 .Relative valving adjustment between high and low pressure working chambers 158 ..Adjustment for valving for plural chambers 159 .Expansion between relatively movable working members 160 ..Double acting high and low pressure working members 161 ..Fluid acts on each working member in single direction 162 ...High and low pressure faces on each working member 163 .Fluid expanded through working member 164 .Dual, rigidly connected high and low pressure faces 165 APPLICATION OF MOTIVE FLUID AT DIFFERENT PRESSURES TO OPPOSED WORKING MEMBER FACES 166 .Double acting motor reversed by pressure variation of motive fluid 167 R EXTENSION OF UNIT HAVING SEPARATELY CONTROLLED WORKING CHAMBERS EQUALS SUM OF INDIVIDUAL CHAMBER EXTENSIONS 168 .Control of motive fluid for one working member in response to position of second 167 A .Vane 472 THREE OR MORE CYLINDERS ARRANGED IN PARALLEL RADIAL OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS 473 .Condition responsive control of drive transmission 474 .Separate fluid supply or discharge paths 475 .Having yieldable drive transmission 476 .Separate motive fluid control for each working chamber 477 ..Each piston acts as valve for different working chamber 478 ..Means varies cyclic relation between reciprocating member and control valve therefor 479 ..Control by moving cylinder or liner 480 ..Mechanically actuated valves 481 ...Radial cylinders 482 .Means varies cyclic relation between reciprocating member and control valve therefor 483 ..By adjustment of transmission or reaction element 484 .Control valve seating surface contact maintained by fluid pressure bias 485 ..Disc valve 486 .Motive fluid bypass to or from assemblyy 487 ..Separate passage directs motive fluid to or from valve interface 488 ..Fluid conducting passage disposed within piston 489 ..Valved 490 .Motive fluid supply or discharge through piston 491 .Radially disposed cylinders 492 ..Plural banks 493 ..Rigidly connected pistons reciprocate within rigidly connected cylinders 494 ..Cylinders and pistons form or coact with respective common elements having limited relative rotary movement 495 ...Cylinders or pistons pinned to common element 496 ..Positive bidirectional drive or reciprocating members 497 ..Stroke control 498 ..Cooperating valve ports in cylinder and relatively movable central member 499 .Cylinders parallel to rotation axis 500 ..Plural angularly disposed cylinder banks 501 ..Cylinders contain plural oppositely movable pistons 502 ..Including plural axially spaced working chambers (e.g., double-acting working members) 503 ..Rotary spool valve 504 ..Stroke control 505 ...By varying reaction plate inclination relative to cylinder axes 506 ....Motor operated 507 ..Positive bidirectional drive of reciprocating members 169 SINGLE CHAMBER FORMED BY MUTUALLY RELATIVELY MOVABLE CYLINDER, SLEEVE AND PISTON 170 R RELATIVELY MOVABLE WORKING MEMBERS WITH ONE HAVING MOTIVE FLUID CONTROLLED BY, MOVABLY INTERCONNECTED WITH OR MOVED BY ANOTHER 171 .Synchronizing in response to sensed difference in positions 172 .One working member oppositely biased by another 173 .One working member forms movable chamber for another 174 .With connection to relatively movable output member disposed between spaced unitary end faces 176 .Moving cylinders 177 .Oscillating working members 178 .Single valve unit controlling plural working chambers 179 ..Oscillating valve 180 ..Rotary valve 181 .Interconnected working members in communicating chamber portions 182 .Means connecting working members actuates common part controlling motive fluid for the members 183 .With means interconnecting working members to cause relative motion 184 ..Working member covers port to control motive fluid 185 ..Motive fluid control by pitman swing or intermittent contact with working member 186 ..Connection includes toothed gearing or rocking lever 187 ..Means varies cyclic relation between working member and control valve therefor 188 ..Motive fluid control actuator includes cam or crank rigid with means connecting working members 189 R .Position of one working member controls motive fluid for anotherr 190 ..Changeable to plural self-controlled working members 191 ..Each cyclically controls another (e.g., duplex) 192 ...With three or more working members 193 ...Fluid operated valve controlled by relatively movable working member 194 ...Rotating output shaft type (e.g., locomotive or reversing means) 195 ...With self-control 189 A ..Piston or rod directly valves passage 170 MP .Mine props 196 MOVING CYLINDER 197 .Plural rigidly connected rotary cylinders 206 .With integral exterior working face 207 ..Both faces urged in single direction 208 ...Fluid to exterior face controlled by motive fluid pressure 209 ...Fluid to exterior face controlled by cylinder position 210 .Oscillating cylinder 211 ..Cooperating valve ports in cylinder and fixed member 212 ...Ported end bearing 213 ...Ported trunnion 214 ...Ported arcuate slide face on which cylinder moves 215 ..Cylinder carried valve operated by fixed actuator 216 R .Cylinder and piston have relative reciprocation on fixed axis 217 ..Reciprocating piston and cylinder 216 A ..Moving cylinder having follow-up 216 B ..Cyclical moving cylinder 218 CYCLICALLY OPERABLE 219 .With dwell 220 .With condition responsive stop means 221 ..Speed 222 .Distributor in piston (422) 223 ..Oscillating piston (e.g., vane) 224 ..Distributor establishes communication between opposite faces of piston 225 ..Piston traverses pilot port to control distributor motor motive fluid 226 ..Communication into piston through peripheral port 227 ...Port controlled by piston position 228 ..Piston carries separate inlet and exhaust valves 229 ..Distributor operated by abutment with cylinder head 230 .Codirectional separately supplied working members 231 ..One working member supply is distributor controlled 232 .Valveless distribution 233 ..Distribution by reciprocating working member moving about an axis 234 ..Working member formed to provide internal fluid flow passage 235 .Working chamber receives controlled motive fluid supply from opposed chamber having constant supply (321) (417) 236 .Multiple exhaust passages (e.g., compression control) 237 ..Exhaust valve has separate valve controlled second exhaust passage therein 238 ...Pressure controlled second passage 239 ..Distributor for inlet or first exhaust controls second exhaust passage 240 ..Fluid pressure actuated valve for second exhaust passage 241 ...Compression actuated discharge to motive fluid supply 242 ...Exhaust pressure controlledd 243 ..Working member controlled exhaust port with valved second exhaust passage 244 ..Controlled by separate relatively movable valves 245 .Clearance control 246 .Correlated throttle valve and distributor 247 .Timing control by relative adjustment of plural movable fluid control elements 248 ..Electrical adjustment 249 ..With relative adjustment of plural adjustable fluid control elements 250 ...Adjustable inlet and exhaust events 251 ....With adjustable release and compression events 252 ..Cut off adjustable relative to admission 253 ...Inlet controlled by relatively cyclically moved elements 254 ....Biased cut off with adjustable trip 255 ....Adjustable fluid control for fluid actuated cut off 256 ....Cut off adjustable relative to reciprocating admission element 257 .....Oscillating admission element 258 .....Arcuate adjustment of cut off 259 .....Cut off adjustable codirectional with admission element movement 260 ...Biased inlet valve with adjustable tripping means 261 ....Inlet valve movable about an axis 262 ...Adjustable cam or cam follower actuated inlet valve 263 ...Adjustable fluid control for fluid actuated inlet valve 264 .Relatively movable serial distributors 265 .Relatively movable inlet and exhaust valves 266 ..Oscillating working member 267 ..Lost motion drive from inlet to exhaust valve 268 ..Exhaust valve closed or held closed by inlet fluid (442) 269 ..Biased valve with trip 270 ..Inlet and exhaust valve movable about an axis 271 ..Reciprocating inlet and exhaust valves 272 ...Codirectional with working member movement 273 ....Axially seating valves 274 .With independent throttle adjustment for one side of double-acting motor 275 .Electrically or magnetically actuated or adjusted distributor (459) 276 .Distributor forms traversed movable portion of working chamber wall (423) 277 .Adjustable working member reversal position (e.g., stroke control) 278 ..Selective diverse supply or exhaust paths for distributor motor 279 ..Adjustable lost motion connection 280 .Pulsator-actuated distributor (460) 281 .Working member controlled motive fluid for distributor motor 282 ..Fluid supply through diverse paths to distributor motor chamber 283 ...Path controlled by independently operable means 284 ..Independent means to adjust distributor motor supply or exhaust passage 285 ...Separately adjusts one chamber of double-acting distributor motor 286 ..Distributor or distributor motor mechanically moved cyclically to control actuating fluid for distributor motorr 287 ...Movement of relatively movable pilot mechanically moves distributor 288 ...Distributor motor mechanically moved about axis 289 ..Adjustable means to retard or lock distributor motor 290 ..Working member traverses pilot port in working chamber side wall 291 ...Port controls separate motor for intermediate pilot valve 292 ....Distributor controls passage from port 293 ...With passage from port controlled by pilot valve 294 ....Pilot valve operated by separately controlled fluid motor 295 ...Plural ports control relatively movable distributor motors 296 ...Constantly open exhaust from distributor working chamber 297 ...With passage for pilot fluid in working member 298 ....Working member passage supplies distributor motive fluid 299 ...With distributor reversal by fluid compressed by working member 300 ...With distributor reversal by constantly supplied motive fluid 301 ...With control of distributor motor supply or exhaust port by distributor working member 302 ...Pilot port relieved into working chamber having working member controlled exhaust port 303 ..Working member adapted to directly mechanically reverse distributor 304 ..Pilot valve controlled distributor motor (461) 305 ...Plural pilot valves 306 ....Independent 307 ...Pilot valve relieves constantly supplied distributor motor fluid 308 ...Fluid-operated pilot valve 309 ...With distributor motor reversal by constantly applied fluid pressure 310 ...Pilot valve moves about an axis 311 ...Pilot valve moves laterally relative to working member reciprocatory path 312 ...Distributor motor working member is valve seat for pilot valve 313 ...Pilot valve actuator extends into working chamber 314 ...Working member reverses pilot through part movable relative to both 315 ..Distributor moves about an axis 316 ..Distributor moves laterally relative to working member reciprocatory path 317 ..Working member compresses fluid to reverse distributor 318 ..Motive fluid build-up at end of working stroke reverses distributor 319 ..Working member traverses pilot passage to control distributor motor 320 ...Port in piston between opposed working faces 321 .Motive fluid constantly applied to one working member face (235) (417) 322 .With independently operable means to lock distributor 323 .Relatively movable distributors for opposed working chambers 324 ..Distributor moves about an axis 325 .Working member controlled inlet or exhaust port (e.g., semi-valveless) 326 .Distributor moves transverse and parallel to same line 327 .Distributor moves about axis parallel to working memberr reciprocatory path 328 .Distributor peripherally engages (1) working chamber wall, or (2) cylinder between opposed working faces 329 .Distributor located in cylinder between spaced working faces 330 .With independently operable means to move or means to adjust movement of distributor 331 ..Means adjusts motion transmission from working member to distributor 332 ...Adjusting means comprises motor 333 ...Speed controlled 334 ...To reverse direction of rotation of interposed shaft 335 .With throttle valve or distributor throttle adjustment 336 ..Speed controlled 337 .With means independent of distributor reversing parts to cyclically hold distributor 338 ..Positive hold (e.g., tripped type) 339 .Oscillating working member 340 ..Distributor reversed by rotated part 341 R .Distributor actuator extends into working chamber 342 ..Axially slidable through working face 343 ..Moves laterally relative to working member reciprocatory path 341 A ..Valves in partition between tandem pistons 344 .Biasing means moves distributor after predetermined travel (i.e., snap action) 345 ..Distributor moves about axis 346 ..Spring biased 347 ...Coil spring moves laterally relative to coil axis 348 .Distributor actuator between space piston faces 349 ..Distributor moves about axis 350 .Working member reverses distributor through part movable relative to both 351 ..Meshing rotary gear 352 ..Distributor moves about axis 353 ..Distributor moves laterally relative to working member reciprocatory path 354 ..Rotated part 355 CUTOFF AFTER SINGLE COMPLETE CYCLE 356 .Reversal responsive to motive fluid pressure change 357 SELECTIVELY USABLE OR POSITIONABLE WORKING MEMBER CONTROLLED VENT IN CHAMBER WALL (402) 358 R WORKING MEMBER POSITION FEEDBACK TO MOTIVE FLUID CONTROL 359 .Regenerative or positive feedback type 360 .With safety means operable upon input signal loss 361 .Electrical input and feedback signal means (459) 362 ..Means provides incremental movements (e.g., stepper type) 363 R ..Follower type 363 A ...Fail safe control 364 .With means to vary feedback signal in response to rate of working member movement 365 .With main valve position feedback to pilot valve 366 .Speed governor controlled input signal (458) 367 .Plural input signal means for single motor valve (453) 368 .Follower type 369.1 ..With relatively movable working and output members reacting on input member 369.2 ...Rubber block reaction means 369.3 ....And transverse valve key 369.4 ...Lever reaction meanss 370 ..With motor chamber pressure reaction on valve 371 ...With valve means limiting reaction pressure 372 ...Spring-loaded valve 373 ....With lost motion between input and reaction member 374 ..Plural movable valve parts 375 R ...Valve part moves about an axis 375 A ....Torsion bar 376 R ...One movable part unitary with working member 377 ....Lost motion linkage connecting valve, load and working member 378 ....Axially movable spool-type valve 376 A ....Vane 379 ..Disproportional rate of response 380 ..Screw and follower (e.g., nut) 381 ..Differential gearing 382 ..Cam and follower 383 ..Cable 384 ..Floating link 385 .Bias-type input and feedback signal means 386 ..Feedback bias means adjustable 387 ..Spring-type feedback bias means 388 .Fluid operated 389 .Adjustable 358 A .Valve locking means 390 POSITION MAINTAINING TYPE 391 R WITH ALTERNATIVE MANUAL ACTUATION OF LOAD 391 A .Alternate pedal positions 392 WORKING MEMBER POSITION RESPONSIVE MOTIVE FLUID CONTROL 393 .Position initiated timing or delay means 394 .Working member carries part within working chamber which controls port in chamber end wall 395 ..Part movable with respect to working member 396 ..Part forms throttle member 397 .Alternate control of inlet and exhaust for same chamber at opposite ends of stroke 398 .Simultaneous control of inlet and exhaust of same chamber 399 .Bypassing between expanding chamber and closed or throttled contracting chamber (e.g., cushioning) (23) 400 .Venting expanding chamber 401 ..Through working member 402 ..Working member overrides exhaust port (357) 403 .Position controls actuating fluid for valve 404 .Exhaust control 405 ..Throttling (e.g., cushioning) 406 ...Exhaust valve with bleed passage therein 407 ...By successively controlling or controlling less than all of plural exhaust passages 408 ....Working member covers exhaust port (409) 409 ..Working member covers exhaust port in contracting chamber (408) 410 .Working member controls relatively movable inlet valve 508 PLURAL RELATIVELY MOVABLE OR RIGIDLY INTERCONNECTED WORKING MEMBERS 509 .Having (1) stand-by or (2) redundant means enabling load to be driven upon failure of primary load moving means 510 ..Stand-by means utilizes an auxiliary motive fluid source for another working member to drive same load 511 .Condition responsive means for modifying working memberr operation 512 ..Condition is that of a load driven by a working member other than working member having its operation modified 513 ..Condition is position of fluid control member of motor other than motor whose operation is modified 514 ..Pressure responsive valve divides motive fluid between motors 515 ...For synchronization of motors 516 ...To give one motor priority to motive fluid over another 517 ..Condition sensed is working member speed or working fluid pressure of another motor (i.e., fluid pressure or flow to or from expansible chamber of the other motor) 518 ..Motive fluid control valve responsive to pressure in supply line to or exhaust line from motor which it modifies 519 .With means for selectively changing the speed or force exerted on load by the selective application of motive fluid in a single direction to one or more working members 520 .Motors connected in series 521 .Separate valve means actuatable by a common nonmanual actuator or separately actuatable means with common manual actuator 522 ..With means to independently actuate valve means 523 ..Simultaneously actuated separate valve means 524 ..Successive actuation of separate valve means 525 .With means to control the working fluid to one working member for movement relative to another without controlling the working fluid to the other working member by said means 526 ..With multiway valve in series with control means 527 ..Valve controlled by remote means (e.g., radio, electromagnetic, etc.) 528 ..Control means is fluid pressure operated valve 529 ...Fluid pressure operated valve controlled by a pilot valve 530 ..Control means includes separate control valves for each working member 531 ...With additional control valve in series with at least one separate control valve in supply line to one of motors 532 .With means for proportioning motive fluid supply to plural motors 533 .Single valve for plural rigidly connected working members 534 .Single valve for relatively movable working members driving common load 535 .Relatively movable working members of unequal cross-sectional areas 536 .Single valve for relatively movable working members 415 DIFFERENTIAL 416 .Opposing pressure applied by bypassing 417 R .Motive fluid constantly applied to one working member face (235) (321) 417 A ..Staplers having two diameter pistons 418 WITH MOTIVE FLUID VALVE 419 .Responsive to (1) motive fluid temperature or state, or (2) motor position or orientation 420 .Contracting chamber exhaust valve controlled by expanding chamber pressure or flow 421 .Expanding chamber inlet controlled by contracting chamber pressure or flow 422 .Valved piston (222) 423 .Valve part forms traversed movable portion of working chamber wall (276) 424 .Two hand controll 425 ..With motor-controlled holding means for valve 426 .With fluid pressure holding means for valve 427 .Plural manual control stations 428 .Manual control carried on or operated from load or output element 429 .Dither valve 430 .Valve parts continuously relatively moved for nonvalving function 431 .Continuous motive fluid flow through chamber in motor idle condition 432 .Inlet check valve with means for disconnectable supply line (468) 433 .Both inlet and exhaust controlled by motive fluid pressure in supply line or chamber 434 ..With manual valve actuating means responsive to motive fluid pressure (e.g., "feel") 435 .Controlled by rate of movement of working member 436 .Inlet fluid supplemented by controlled fluid pressurized in opposed contracting chamber 437 .Independent control of bypass between opposed working chambers 438 ..Held closed by motive fluid pressure 439 ...Bypass through supply line 440 .For exhausting contracting working chamber to expanding opposed nonworking 441 .With ambient fluid inlet valve to expanding working chamber 442 .Self-opening exhaust valve held closed by inlet pressure (268) 443 .To provide unequal inlet and exhaust flow rates to single working chamber 444 .Relatively movable serial valves 445 ..Stop valve between working chamber and inlet and exhaust valve 446 ..Including motive fluid pressure or flow responsive valve (468) 447 ...Between working chamber and inlet and exhaust valve 448 ..In supply path 449 .Plural separately controlled waste passages for single working chamber 450 ..One passage controlled by inlet and exhaust valve 451 ...Another passage controlled by motive fluid pressure or flow responsive valve (468) 452 ..One passage controlled by motive fluid pressure or flow-responsive valve (468) 453 .Plural actuators for single valve means (367) 454 .Relatively movable inlet and exhaust valves for single working chamber 455 ..One valve forms unitary part of valve controlling opposed working chamber 456 ..One valve moves about an axis 457 ..Single actuating means moves both valves 458 .Speed governor operated (366) 459 .Electrically operated (275) (361) 460 .Pulsator actuator for valve (280) 461 .Pilot valve (304) 462 .For double-acting motor 463 ..With means to provide unequal flow rates to or from opposed working chambers 464 ..Means to simultaneously open working chambers to inlet or exhaustt 465 ..Relatively movable unitary inlet and exhaust valves for opposed working chambers 466 ..Unitary inlet and exhaust valve means for opposed working chambers 467 ...Valve means moves about an axis 468 .Self-acting valve (432) (446) (451) (452) 469 .Unitary inlet and exhaust valve for single working chamber 470 ..Valve moves about an axis 471 MISCELLANEOUS (E.G., METHODS) * ****************************** * DIGESTS * ****************************** DIG 1 Digital DIG 2 Exhaust throttled motor control DIG 3 Large area valve DIG 4 Magnets