US Patent Class 91
MOTORS: EXPANSIBLE CHAMBER TYPE
 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
| DF | CLASS NOTES | |
| 1 | DF | WITH SIGNAL, INDICATOR OR INSPECTION MEANS |
| 2 | DF | CUTOFF OR CONTROL AFTER PREDETERMINED NUMBER OF CYCLES OR REVOLUTIONS |
| 3 | DF | JET CONTROL TYPE |
| 4 R | DF | HYDRO-PNEUMATIC |
| 4 A | DF | .~ With float mechanism |
| 5 | DF | WORKING MEMBER MOVED BY STORED MOTIVE FLUID CHARGE |
| 6 | DF | FLUID SUPPLY THROUGH DIVERSE PATHS TO SINGLE EXPANSIBLE CHAMBER |
| 6.5 | DF | .~ Three or more cylinders arranged in parallel, radial or conical relationship with rotary transmission axis |
| 7 | DF | .~ Selective cyclic and noncyclic operation or parking |
| 8 | DF | .~ Semi-compound type |
| 9 | DF | .~.~ Changeable by shiftable distributor |
| 10 | DF | .~.~ With condition responsive change-over valve |
| 11 | DF | .~ Changeable from multiple expansion to simple operation |
| 12 | DF | .~ Cyclically operable motor with port reversing |
| 13 | DF | .~.~ By shifting distributor seat |
| 14 | DF | .~.~ By shifting distributor |
| 15 | DF | .~.~ Selector valve between distributor and motor |
| 16 | DF | .~ Drifting or coasting on lower pressure |
| 17 | DF | .~.~ With speed responsive cutoff of drifting fluid |
| 18 | DF | .~.~ Pressure control of drifting fluid |
| 19 | DF | .~ Diverse paths used to control extent of working member travel |
| 20 | DF | .~ Position responsive |
| 21 | DF | .~.~ Rotating working member or chamber |
| 22 | DF | .~.~ Preliminary inlet to contracting chamber (e.g., cushioning) |
| 23 | DF | .~.~.~ By bypassing from expanding chamber (399) |
| 24 | DF | .~.~ Additional inlet path opened in response to position |
| 25 | DF | .~.~.~ Working member or part carried thereby uncovers inlet port |
| 26 | DF | .~.~.~.~ First path has check valve or selectively adjustable throttle |
| 27 | DF | .~.~ Plural simultaneous paths, one cutoff in response to position |
| 28 | DF | .~ Second path activated in response to pressure or flow in first path |
| 29 | DF | .~.~ By pressure rise in first path |
| 30 | DF | .~ Serially arranged reversing valves |
| 31 | DF | .~ One path includes restriction |
| 32 | DF | .~ Activation of one path disables second path |
| 33 | DF | .~.~ Pressure operated |
| 34 | DF | SINGLE ACTING, CHANGEABLE TO OR FROM DOUBLE ACTING |
| 35 | DF | INDEPENDENTLY OPERATED TIMER, DELAY, PATTERN OR CYCLIC CONTROL |
| 36 | DF | .~ Of independently movable working members |
| 37 | DF | .~ Pattern or template control |
| 38 | DF | .~ Fluid actuated valve with volume chamber delay means |
| 39 | DF | .~ Independent distributor actuation for cyclic control |
| 40 | DF | .~.~ Fluid actuated distributor motor |
| 41 | DF | WITH CORRELATED CONTROL OF MOTIVE FLUID AND LOCKING MEANS |
| 42 | DF | .~ By electrical control means |
| 43 | DF | .~ Working member position control of motive fluid and locking means |
| 44 | DF | .~ Sequential operation of locking means and motive fluid control |
| 45 | DF | .~ Common or interconnected valve means control motive fluid and fluid for locking means |
| 46 | DF | WITH INTERRELATED CONTROL OF MOTIVE FLUID AND LUBRICANT |
| 47 | DF | CONSTANTLY APPLIED MOTIVE FLUID WITH CONTROLLED VENTING |
| 48 | DF | .~ Plural separately controlled vents |
| 49 | DF | .~ Fluid vented through working member |
| 50 | DF | .~ Cyclically operable |
| 51 | DF | .~ Motive fluid constantly applied to and vented from opposed chambers |
| 52 | DF | CONSTANTLY OPEN THROTTLED EXHAUST WITH CONTROLLED MOTIVE FLUID SUPPLY |
| 53 | DF | ENGINE ROTATING OR STARTING TYPE |
| 54 | DF | CONVERTIBLE; OR CHANGEABLE BY DISASSEMBLY OR ASSEMBLY |
| 55 | DF | COMBINED |
| 59 | DF | TORQUE RESPONSIVE MOTIVE FLUID CONTROL |
| 61 | DF | ROTARY AND RECIPROCATING WORKING MEMBERS |
| 151 | DF | SERIALLY FORMED EXPANDING WORKING CHAMBERS (E.G., ENDLESS) |
| 152 | DF | MULTIPLE EXPANSION |
| 153 | DF | .~ Duplex |
| 154 | DF | .~.~ Cut-off or reversing |
| 155 | DF | .~ With fluid actuated distributor |
| 156 | DF | .~ Concentric working chambers |
| 157 | DF | .~ Relative valving adjustment between high and low pressure working chambers |
| 158 | DF | .~.~ Adjustment for valving for plural chambers |
| 159 | DF | .~ Expansion between relatively movable working members |
| 160 | DF | .~.~ Double acting high and low pressure working members |
| 161 | DF | .~.~ Fluid acts on each working member in single direction |
| 162 | DF | .~.~.~ High and low pressure faces on each working member |
| 163 | DF | .~ Fluid expanded through working member |
| 164 | DF | .~ Dual, rigidly connected high and low pressure faces |
| 165 | DF | APPLICATION OF MOTIVE FLUID AT DIFFERENT PRESSURES TO OPPOSED WORKING MEMBER FACES |
| 166 | DF | .~ Double acting motor reversed by pressure variation of motive fluid |
| 167 R | DF | EXTENSION OF UNIT HAVING SEPARATELY CONTROLLED WORKING CHAMBERS EQUALS SUM OF INDIVIDUAL CHAMBER EXTENSIONS |
| 168 | DF | .~ Control of motive fluid for one working member in response to position of second |
| 167 A | DF | .~ Vane |
| 472 | DF | THREE OR MORE CYLINDERS ARRANGED IN PARALLEL RADIAL OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS |
| 473 | DF | .~ Condition responsive control of drive transmission |
| 474 | DF | .~ Separate fluid supply or discharge paths |
| 475 | DF | .~ Having yieldable drive transmission |
| 476 | DF | .~ Separate motive fluid control for each working chamber |
| 477 | DF | .~.~ Each piston acts as valve for different working chamber |
| 478 | DF | .~.~ Means varies cyclic relation between reciprocating member and control valve therefor |
| 479 | DF | .~.~ Control by moving cylinder or liner |
| 480 | DF | .~.~ Mechanically actuated valves |
| 481 | DF | .~.~.~ Radial cylinders |
| 482 | DF | .~ Means varies cyclic relation between reciprocating member and control valve therefor |
| 483 | DF | .~.~ By adjustment of transmission or reaction element |
| 484 | DF | .~ Control valve seating surface contact maintained by fluid pressure bias |
| 485 | DF | .~.~ Disc valve |
| 486 | DF | .~ Motive fluid bypass to or from assembly |
| 487 | DF | .~.~ Separate passage directs motive fluid to or from valve interface |
| 488 | DF | .~.~ Fluid conducting passage disposed within piston |
| 489 | DF | .~.~ Valved |
| 490 | DF | .~ Motive fluid supply or discharge through piston |
| 491 | DF | .~ Radially disposed cylinders |
| 492 | DF | .~.~ Plural banks |
| 493 | DF | .~.~ Rigidly connected pistons reciprocate within rigidly connected cylinders |
| 494 | DF | .~.~ Cylinders and pistons form or coact with respective common elements having limited relative rotary movement |
| 495 | DF | .~.~.~ Cylinders or pistons pinned to common element |
| 496 | DF | .~.~ Positive bidirectional drive or reciprocating members |
| 497 | DF | .~.~ Stroke control |
| 498 | DF | .~.~ Cooperating valve ports in cylinder and relatively movable central member |
| 499 | DF | .~ Cylinders parallel to rotation axis |
| 500 | DF | .~.~ Plural angularly disposed cylinder banks |
| 501 | DF | .~.~ Cylinders contain plural oppositely movable pistons |
| 502 | DF | .~.~ Including plural axially spaced working chambers (e.g., double-acting working members) |
| 503 | DF | .~.~ Rotary spool valve |
| 504 | DF | .~.~ Stroke control |
| 505 | DF | .~.~.~ By varying reaction plate inclination relative to cylinder axes |
| 506 | DF | .~.~.~.~ Motor operated |
| 507 | DF | .~.~ Positive bidirectional drive of reciprocating members |
| 169 | DF | SINGLE CHAMBER FORMED BY MUTUALLY RELATIVELY MOVABLE CYLINDER, SLEEVE AND PISTON |
| 170 R | DF | RELATIVELY MOVABLE WORKING MEMBERS WITH ONE HAVING MOTIVE FLUID CONTROLLED BY, MOVABLY INTERCONNECTED WITH OR MOVED BY ANOTHER |
| 171 | DF | .~ Synchronizing in response to sensed difference in positions |
| 172 | DF | .~ One working member oppositely biased by another |
| 173 | DF | .~ One working member forms movable chamber for another |
| 174 | DF | .~ With connection to relatively movable output member disposed between spaced unitary end faces |
| 176 | DF | .~ Moving cylinders |
| 177 | DF | .~ Oscillating working members |
| 178 | DF | .~ Single valve unit controlling plural working chambers |
| 179 | DF | .~.~ Oscillating valve |
| 180 | DF | .~.~ Rotary valve |
| 181 | DF | .~ Interconnected working members in communicating chamber portions |
| 182 | DF | .~ Means connecting working members actuates common part controlling motive fluid for the members |
| 183 | DF | .~ With means interconnecting working members to cause relative motion |
| 184 | DF | .~.~ Working member covers port to control motive fluid |
| 185 | DF | .~.~ Motive fluid control by pitman swing or intermittent contact with working member |
| 186 | DF | .~.~ Connection includes toothed gearing or rocking lever |
| 187 | DF | .~.~ Means varies cyclic relation between working member and control valve therefor |
| 188 | DF | .~.~ Motive fluid control actuator includes cam or crank rigid with means connecting working members |
| 189 R | DF | .~ Position of one working member controls motive fluid for another |
| 190 | DF | .~.~ Changeable to plural self-controlled working members |
| 191 | DF | .~.~ Each cyclically controls another (e.g., duplex) |
| 192 | DF | .~.~.~ With three or more working members |
| 193 | DF | .~.~.~ Fluid operated valve controlled by relatively movable working member |
| 194 | DF | .~.~.~ Rotating output shaft type (e.g., locomotive or reversing means) |
| 195 | DF | .~.~.~ With self-control |
| 189 A | DF | .~.~ Piston or rod directly valves passage |
| 170 MP | DF | .~ Mine props |
| 196 | DF | MOVING CYLINDER |
| 197 | DF | .~ Plural rigidly connected rotary cylinders |
| 206 | DF | .~ With integral exterior working face |
| 207 | DF | .~.~ Both faces urged in single direction |
| 208 | DF | .~.~.~ Fluid to exterior face controlled by motive fluid pressure |
| 209 | DF | .~.~.~ Fluid to exterior face controlled by cylinder position |
| 210 | DF | .~ Oscillating cylinder |
| 211 | DF | .~.~ Cooperating valve ports in cylinder and fixed member |
| 212 | DF | .~.~.~ Ported end bearing |
| 213 | DF | .~.~.~ Ported trunnion |
| 214 | DF | .~.~.~ Ported arcuate slide face on which cylinder moves |
| 215 | DF | .~.~ Cylinder carried valve operated by fixed actuator |
| 216 R | DF | .~ Cylinder and piston have relative reciprocation on fixed axis |
| 217 | DF | .~.~ Reciprocating piston and cylinder |
| 216 A | DF | .~.~ Moving cylinder having follow-up |
| 216 B | DF | .~.~ Cyclical moving cylinder |
| 218 | DF | CYCLICALLY OPERABLE |
| 219 | DF | .~ With dwell |
| 220 | DF | .~ With condition responsive stop means |
| 221 | DF | .~.~ Speed |
| 222 | DF | .~ Distributor in piston (422) |
| 223 | DF | .~.~ Oscillating piston (e.g., vane) |
| 224 | DF | .~.~ Distributor establishes communication between opposite faces of piston |
| 225 | DF | .~.~ Piston traverses pilot port to control distributor motor motive fluid |
| 226 | DF | .~.~ Communication into piston through peripheral port |
| 227 | DF | .~.~.~ Port controlled by piston position |
| 228 | DF | .~.~ Piston carries separate inlet and exhaust valves |
| 229 | DF | .~.~ Distributor operated by abutment with cylinder head |
| 230 | DF | .~ Codirectional separately supplied working members |
| 231 | DF | .~.~ One working member supply is distributor controlled |
| 232 | DF | .~ Valveless distribution |
| 233 | DF | .~.~ Distribution by reciprocating working member moving about an axis |
| 234 | DF | .~.~ Working member formed to provide internal fluid flow passage |
| 235 | DF | .~ Working chamber receives controlled motive fluid supply from opposed chamber having constant supply (321) (417) |
| 236 | DF | .~ Multiple exhaust passages (e.g., compression control) |
| 237 | DF | .~.~ Exhaust valve has separate valve controlled second exhaust passage therein |
| 238 | DF | .~.~.~ Pressure controlled second passage |
| 239 | DF | .~.~ Distributor for inlet or first exhaust controls second exhaust passage |
| 240 | DF | .~.~ Fluid pressure actuated valve for second exhaust passage |
| 241 | DF | .~.~.~ Compression actuated discharge to motive fluid supply |
| 242 | DF | .~.~.~ Exhaust pressure controlled |
| 243 | DF | .~.~ Working member controlled exhaust port with valved second exhaust passage |
| 244 | DF | .~.~ Controlled by separate relatively movable valves |
| 245 | DF | .~ Clearance control |
| 246 | DF | .~ Correlated throttle valve and distributor |
| 247 | DF | .~ Timing control by relative adjustment of plural movable fluid control elements |
| 248 | DF | .~.~ Electrical adjustment |
| 249 | DF | .~.~ With relative adjustment of plural adjustable fluid control elements |
| 250 | DF | .~.~.~ Adjustable inlet and exhaust events |
| 251 | DF | .~.~.~.~ With adjustable release and compression events |
| 252 | DF | .~.~ Cut off adjustable relative to admission |
| 253 | DF | .~.~.~ Inlet controlled by relatively cyclically moved elements |
| 254 | DF | .~.~.~.~ Biased cut off with adjustable trip |
| 255 | DF | .~.~.~.~ Adjustable fluid control for fluid actuated cut off |
| 256 | DF | .~.~.~.~ Cut off adjustable relative to reciprocating admission element |
| 257 | DF | .~.~.~.~.~ Oscillating admission element |
| 258 | DF | .~.~.~.~.~ Arcuate adjustment of cut off |
| 259 | DF | .~.~.~.~.~ Cut off adjustable codirectional with admission element movement |
| 260 | DF | .~.~.~ Biased inlet valve with adjustable tripping means |
| 261 | DF | .~.~.~.~ Inlet valve movable about an axis |
| 262 | DF | .~.~.~ Adjustable cam or cam follower actuated inlet valve |
| 263 | DF | .~.~.~ Adjustable fluid control for fluid actuated inlet valve |
| 264 | DF | .~ Relatively movable serial distributors |
| 265 | DF | .~ Relatively movable inlet and exhaust valves |
| 266 | DF | .~.~ Oscillating working member |
| 267 | DF | .~.~ Lost motion drive from inlet to exhaust valve |
| 268 | DF | .~.~ Exhaust valve closed or held closed by inlet fluid (442) |
| 269 | DF | .~.~ Biased valve with trip |
| 270 | DF | .~.~ Inlet and exhaust valve movable about an axis |
| 271 | DF | .~.~ Reciprocating inlet and exhaust valves |
| 272 | DF | .~.~.~ Codirectional with working member movement |
| 273 | DF | .~.~.~.~ Axially seating valves |
| 274 | DF | .~ With independent throttle adjustment for one side of double-acting motor |
| 275 | DF | .~ Electrically or magnetically actuated or adjusted distributor (459) |
| 276 | DF | .~ Distributor forms traversed movable portion of working chamber wall (423) |
| 277 | DF | .~ Adjustable working member reversal position (e.g., stroke control) |
| 278 | DF | .~.~ Selective diverse supply or exhaust paths for distributor motor |
| 279 | DF | .~.~ Adjustable lost motion connection |
| 280 | DF | .~ Pulsator-actuated distributor (460) |
| 281 | DF | .~ Working member controlled motive fluid for distributor motor |
| 282 | DF | .~.~ Fluid supply through diverse paths to distributor motor chamber |
| 283 | DF | .~.~.~ Path controlled by independently operable means |
| 284 | DF | .~.~ Independent means to adjust distributor motor supply or exhaust passage |
| 285 | DF | .~.~.~ Separately adjusts one chamber of double-acting distributor motor |
| 286 | DF | .~.~ Distributor or distributor motor mechanically moved cyclically to control actuating fluid for distributor motor |
| 287 | DF | .~.~.~ Movement of relatively movable pilot mechanically moves distributor |
| 288 | DF | .~.~.~ Distributor motor mechanically moved about axis |
| 289 | DF | .~.~ Adjustable means to retard or lock distributor motor |
| 290 | DF | .~.~ Working member traverses pilot port in working chamber side wall |
| 291 | DF | .~.~.~ Port controls separate motor for intermediate pilot valve |
| 292 | DF | .~.~.~.~ Distributor controls passage from port |
| 293 | DF | .~.~.~ With passage from port controlled by pilot valve |
| 294 | DF | .~.~.~.~ Pilot valve operated by separately controlled fluid motor |
| 295 | DF | .~.~.~ Plural ports control relatively movable distributor motors |
| 296 | DF | .~.~.~ Constantly open exhaust from distributor working chamber |
| 297 | DF | .~.~.~ With passage for pilot fluid in working member |
| 298 | DF | .~.~.~.~ Working member passage supplies distributor motive fluid |
| 299 | DF | .~.~.~ With distributor reversal by fluid compressed by working member |
| 300 | DF | .~.~.~ With distributor reversal by constantly supplied motive fluid |
| 301 | DF | .~.~.~ With control of distributor motor supply or exhaust port by distributor working member |
| 302 | DF | .~.~.~ Pilot port relieved into working chamber having working member controlled exhaust port |
| 303 | DF | .~.~ Working member adapted to directly mechanically reverse distributor |
| 304 | DF | .~.~ Pilot valve controlled distributor motor (461) |
| 305 | DF | .~.~.~ Plural pilot valves |
| 306 | DF | .~.~.~.~ Independent |
| 307 | DF | .~.~.~ Pilot valve relieves constantly supplied distributor motor fluid |
| 308 | DF | .~.~.~ Fluid-operated pilot valve |
| 309 | DF | .~.~.~ With distributor motor reversal by constantly applied fluid pressure |
| 310 | DF | .~.~.~ Pilot valve moves about an axis |
| 311 | DF | .~.~.~ Pilot valve moves laterally relative to working member reciprocatory path |
| 312 | DF | .~.~.~ Distributor motor working member is valve seat for pilot valve |
| 313 | DF | .~.~.~ Pilot valve actuator extends into working chamber |
| 314 | DF | .~.~.~ Working member reverses pilot through part movable relative to both |
| 315 | DF | .~.~ Distributor moves about an axis |
| 316 | DF | .~.~ Distributor moves laterally relative to working member reciprocatory path |
| 317 | DF | .~.~ Working member compresses fluid to reverse distributor |
| 318 | DF | .~.~ Motive fluid build-up at end of working stroke reverses distributor |
| 319 | DF | .~.~ Working member traverses pilot passage to control distributor motor |
| 320 | DF | .~.~.~ Port in piston between opposed working faces |
| 321 | DF | .~ Motive fluid constantly applied to one working member face (235) (417) |
| 322 | DF | .~ With independently operable means to lock distributor |
| 323 | DF | .~ Relatively movable distributors for opposed working chambers |
| 324 | DF | .~.~ Distributor moves about an axis |
| 325 | DF | .~ Working member controlled inlet or exhaust port (e.g., semi-valveless) |
| 326 | DF | .~ Distributor moves transverse and parallel to same line |
| 327 | DF | .~ Distributor moves about axis parallel to working member reciprocatory path |
| 328 | DF | .~ Distributor peripherally engages (1) working chamber wall, or (2) cylinder between opposed working faces |
| 329 | DF | .~ Distributor located in cylinder between spaced working faces |
| 330 | DF | .~ With independently operable means to move or means to adjust movement of distributor |
| 331 | DF | .~.~ Means adjusts motion transmission from working member to distributor |
| 332 | DF | .~.~.~ Adjusting means comprises motor |
| 333 | DF | .~.~.~ Speed controlled |
| 334 | DF | .~.~.~ To reverse direction of rotation of interposed shaft |
| 335 | DF | .~ With throttle valve or distributor throttle adjustment |
| 336 | DF | .~.~ Speed controlled |
| 337 | DF | .~ With means independent of distributor reversing parts to cyclically hold distributor |
| 338 | DF | .~.~ Positive hold (e.g., tripped type) |
| 339 | DF | .~ Oscillating working member |
| 340 | DF | .~.~ Distributor reversed by rotated part |
| 341 R | DF | .~ Distributor actuator extends into working chamber |
| 342 | DF | .~.~ Axially slidable through working face |
| 343 | DF | .~.~ Moves laterally relative to working member reciprocatory path |
| 341 A | DF | .~.~ Valves in partition between tandem pistons |
| 344 | DF | .~ Biasing means moves distributor after predetermined travel (i.e., snap action) |
| 345 | DF | .~.~ Distributor moves about axis |
| 346 | DF | .~.~ Spring biased |
| 347 | DF | .~.~.~ Coil spring moves laterally relative to coil axis |
| 348 | DF | .~ Distributor actuator between space piston faces |
| 349 | DF | .~.~ Distributor moves about axis |
| 350 | DF | .~ Working member reverses distributor through part movable relative to both |
| 351 | DF | .~.~ Meshing rotary gear |
| 352 | DF | .~.~ Distributor moves about axis |
| 353 | DF | .~.~ Distributor moves laterally relative to working member reciprocatory path |
| 354 | DF | .~.~ Rotated part |
| 355 | DF | CUTOFF AFTER SINGLE COMPLETE CYCLE |
| 356 | DF | .~ Reversal responsive to motive fluid pressure change |
| 357 | DF | SELECTIVELY USABLE OR POSITIONABLE WORKING MEMBER CONTROLLED VENT IN CHAMBER WALL (402) |
| 358 R | DF | WORKING MEMBER POSITION FEEDBACK TO MOTIVE FLUID CONTROL |
| 359 | DF | .~ Regenerative or positive feedback type |
| 360 | DF | .~ With safety means operable upon input signal loss |
| 361 | DF | .~ Electrical input and feedback signal means (459) |
| 362 | DF | .~.~ Means provides incremental movements (e.g., stepper type) |
| 363 R | DF | .~.~ Follower type |
| 363 A | DF | .~.~.~ Fail safe control |
| 364 | DF | .~ With means to vary feedback signal in response to rate of working member movement |
| 365 | DF | .~ With main valve position feedback to pilot valve |
| 366 | DF | .~ Speed governor controlled input signal (458) |
| 367 | DF | .~ Plural input signal means for single motor valve (453) |
| 368 | DF | .~ Follower type |
| 369.1 | DF | .~.~ With relatively movable working and output members reacting on input member |
| 369.2 | DF | .~.~.~ Rubber block reaction means |
| 369.3 | DF | .~.~.~.~ And transverse valve key |
| 369.4 | DF | .~.~.~ Lever reaction means |
| 370 | DF | .~.~ With motor chamber pressure reaction on valve |
| 371 | DF | .~.~.~ With valve means limiting reaction pressure |
| 372 | DF | .~.~.~ Spring-loaded valve |
| 373 | DF | .~.~.~.~ With lost motion between input and reaction member |
| 374 | DF | .~.~ Plural movable valve parts |
| 375 R | DF | .~.~.~ Valve part moves about an axis |
| 375 A | DF | .~.~.~.~ Torsion bar |
| 376 R | DF | .~.~.~ One movable part unitary with working member |
| 377 | DF | .~.~.~.~ Lost motion linkage connecting valve, load and working member |
| 378 | DF | .~.~.~.~ Axially movable spool-type valve |
| 376 A | DF | .~.~.~.~ Vane |
| 379 | DF | .~.~ Disproportional rate of response |
| 380 | DF | .~.~ Screw and follower (e.g., nut) |
| 381 | DF | .~.~ Differential gearing |
| 382 | DF | .~.~ Cam and follower |
| 383 | DF | .~.~ Cable |
| 384 | DF | .~.~ Floating link |
| 385 | DF | .~ Bias-type input and feedback signal means |
| 386 | DF | .~.~ Feedback bias means adjustable |
| 387 | DF | .~.~ Spring-type feedback bias means |
| 388 | DF | .~ Fluid operated |
| 389 | DF | .~ Adjustable |
| 358 A | DF | .~ Valve locking means |
| 390 | DF | POSITION MAINTAINING TYPE |
| 391 R | DF | WITH ALTERNATIVE MANUAL ACTUATION OF LOAD |
| 391 A | DF | .~ Alternate pedal positions |
| 392 | DF | WORKING MEMBER POSITION RESPONSIVE MOTIVE FLUID CONTROL |
| 393 | DF | .~ Position initiated timing or delay means |
| 394 | DF | .~ Working member carries part within working chamber which controls port in chamber end wall |
| 395 | DF | .~.~ Part movable with respect to working member |
| 396 | DF | .~.~ Part forms throttle member |
| 397 | DF | .~ Alternate control of inlet and exhaust for same chamber at opposite ends of stroke |
| 398 | DF | .~ Simultaneous control of inlet and exhaust of same chamber |
| 399 | DF | .~ Bypassing between expanding chamber and closed or throttled contracting chamber (e.g., cushioning) (23) |
| 400 | DF | .~ Venting expanding chamber |
| 401 | DF | .~.~ Through working member |
| 402 | DF | .~.~ Working member overrides exhaust port (357) |
| 403 | DF | .~ Position controls actuating fluid for valve |
| 404 | DF | .~ Exhaust control |
| 405 | DF | .~.~ Throttling (e.g., cushioning) |
| 406 | DF | .~.~.~ Exhaust valve with bleed passage therein |
| 407 | DF | .~.~.~ By successively controlling or controlling less than all of plural exhaust passages |
| 408 | DF | .~.~.~.~ Working member covers exhaust port (409) |
| 409 | DF | .~.~ Working member covers exhaust port in contracting chamber (408) |
| 410 | DF | .~ Working member controls relatively movable inlet valve |
| 508 | DF | PLURAL RELATIVELY MOVABLE OR RIGIDLY INTERCONNECTED WORKING MEMBERS |
| 509 | DF | .~ Having (1) stand-by or (2) redundant means enabling load to be driven upon failure of primary load moving means |
| 510 | DF | .~.~ Stand-by means utilizes an auxiliary motive fluid source for another working member to drive same load |
| 511 | DF | .~ Condition responsive means for modifying working member operation |
| 512 | DF | .~.~ Condition is that of a load driven by a working member other than working member having its operation modified |
| 513 | DF | .~.~ Condition is position of fluid control member of motor other than motor whose operation is modified |
| 514 | DF | .~.~ Pressure responsive valve divides motive fluid between motors |
| 515 | DF | .~.~.~ For synchronization of motors |
| 516 | DF | .~.~.~ To give one motor priority to motive fluid over another |
| 517 | DF | .~.~ 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 | DF | .~.~ Motive fluid control valve responsive to pressure in supply line to or exhaust line from motor which it modifies |
| 519 | DF | .~ 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 | DF | .~ Motors connected in series |
| 521 | DF | .~ Separate valve means actuatable by a common nonmanual actuator or separately actuatable means with common manual actuator |
| 522 | DF | .~.~ With means to independently actuate valve means |
| 523 | DF | .~.~ Simultaneously actuated separate valve means |
| 524 | DF | .~.~ Successive actuation of separate valve means |
| 525 | DF | .~ 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 | DF | .~.~ With multiway valve in series with control means |
| 527 | DF | .~.~ Valve controlled by remote means (e.g., radio, electromagnetic, etc.) |
| 528 | DF | .~.~ Control means is fluid pressure operated valve |
| 529 | DF | .~.~.~ Fluid pressure operated valve controlled by a pilot valve |
| 530 | DF | .~.~ Control means includes separate control valves for each working member |
| 531 | DF | .~.~.~ With additional control valve in series with at least one separate control valve in supply line to one of motors |
| 532 | DF | .~ With means for proportioning motive fluid supply to plural motors |
| 533 | DF | .~ Single valve for plural rigidly connected working members |
| 534 | DF | .~ Single valve for relatively movable working members driving common load |
| 535 | DF | .~ Relatively movable working members of unequal cross-sectional areas |
| 536 | DF | .~ Single valve for relatively movable working members |
| 415 | DF | DIFFERENTIAL |
| 416 | DF | .~ Opposing pressure applied by bypassing |
| 417 R | DF | .~ Motive fluid constantly applied to one working member face (235) (321) |
| 417 A | DF | .~.~ Staplers having two diameter pistons |
| 418 | DF | WITH MOTIVE FLUID VALVE |
| 419 | DF | .~ Responsive to (1) motive fluid temperature or state, or (2) motor position or orientation |
| 420 | DF | .~ Contracting chamber exhaust valve controlled by expanding chamber pressure or flow |
| 421 | DF | .~ Expanding chamber inlet controlled by contracting chamber pressure or flow |
| 422 | DF | .~ Valved piston (222) |
| 423 | DF | .~ Valve part forms traversed movable portion of working chamber wall (276) |
| 424 | DF | .~ Two hand control |
| 425 | DF | .~.~ With motor-controlled holding means for valve |
| 426 | DF | .~ With fluid pressure holding means for valve |
| 427 | DF | .~ Plural manual control stations |
| 428 | DF | .~ Manual control carried on or operated from load or output element |
| 429 | DF | .~ Dither valve |
| 430 | DF | .~ Valve parts continuously relatively moved for nonvalving function |
| 431 | DF | .~ Continuous motive fluid flow through chamber in motor idle condition |
| 432 | DF | .~ Inlet check valve with means for disconnectable supply line (468) |
| 433 | DF | .~ Both inlet and exhaust controlled by motive fluid pressure in supply line or chamber |
| 434 | DF | .~.~ With manual valve actuating means responsive to motive fluid pressure (e.g., "feel") |
| 435 | DF | .~ Controlled by rate of movement of working member |
| 436 | DF | .~ Inlet fluid supplemented by controlled fluid pressurized in opposed contracting chamber |
| 437 | DF | .~ Independent control of bypass between opposed working chambers |
| 438 | DF | .~.~ Held closed by motive fluid pressure |
| 439 | DF | .~.~.~ Bypass through supply line |
| 440 | DF | .~ For exhausting contracting working chamber to expanding opposed nonworking |
| 441 | DF | .~ With ambient fluid inlet valve to expanding working chamber |
| 442 | DF | .~ Self-opening exhaust valve held closed by inlet pressure (268) |
| 443 | DF | .~ To provide unequal inlet and exhaust flow rates to single working chamber |
| 444 | DF | .~ Relatively movable serial valves |
| 445 | DF | .~.~ Stop valve between working chamber and inlet and exhaust valve |
| 446 | DF | .~.~ Including motive fluid pressure or flow responsive valve (468) |
| 447 | DF | .~.~.~ Between working chamber and inlet and exhaust valve |
| 448 | DF | .~.~ In supply path |
| 449 | DF | .~ Plural separately controlled waste passages for single working chamber |
| 450 | DF | .~.~ One passage controlled by inlet and exhaust valve |
| 451 | DF | .~.~.~ Another passage controlled by motive fluid pressure or flow responsive valve (468) |
| 452 | DF | .~.~ One passage controlled by motive fluid pressure or flow-responsive valve (468) |
| 453 | DF | .~ Plural actuators for single valve means (367) |
| 454 | DF | .~ Relatively movable inlet and exhaust valves for single working chamber |
| 455 | DF | .~.~ One valve forms unitary part of valve controlling opposed working chamber |
| 456 | DF | .~.~ One valve moves about an axis |
| 457 | DF | .~.~ Single actuating means moves both valves |
| 458 | DF | .~ Speed governor operated (366) |
| 459 | DF | .~ Electrically operated (275) (361) |
| 460 | DF | .~ Pulsator actuator for valve (280) |
| 461 | DF | .~ Pilot valve (304) |
| 462 | DF | .~ For double-acting motor |
| 463 | DF | .~.~ With means to provide unequal flow rates to or from opposed working chambers |
| 464 | DF | .~.~ Means to simultaneously open working chambers to inlet or exhaust |
| 465 | DF | .~.~ Relatively movable unitary inlet and exhaust valves for opposed working chambers |
| 466 | DF | .~.~ Unitary inlet and exhaust valve means for opposed working chambers |
| 467 | DF | .~.~.~ Valve means moves about an axis |
| 468 | DF | .~ Self-acting valve (432) (446) (451) (452) |
| 469 | DF | .~ Unitary inlet and exhaust valve for single working chamber |
| 470 | DF | .~.~ Valve moves about an axis |
| 471 | DF | MISCELLANEOUS (E.G., METHODS) |
| ****************************** | ||
| DIGESTS | ||
| ****************************** | ||
| DIG 1 | DD | Digital |
| DIG 2 | DD | Exhaust throttled motor control |
| DIG 3 | DD | Large area valve |
| DIG 4 | DD | Magnets |