| Subclass |
| Title |
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ClassTitle
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PUMPS
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| 1 | ![[Patents]](../gifs/ps.gif) | CONDITION RESPONSIVE CONTROL OF PUMP DRIVE MOTOR |
| 2 | | . Plural pumps having separate drive motors, supply sources, or delivery destinations |
| 3 | | . . Pumps in parallel flow paths with common inflow or outflow |
| 4 | | . . . Having means sensing condition in common inflow or outflow line |
| 5 | | . . . . With control of plural pump drive motors |
| 6 | | . . . . . With additional means sensing condition of one pump or path |
| 7 | | . . . . . Sequential starting or stopping of pumps |
| 8 | | . . . . . . Alternating sequences |
| 9 | | . By stopping pump in response to leakage into or from system |
| 10 | | . By controlling starter motor for internal combustion engine |
| 11 | | . By controlling free piston internal combustion engine |
| 12 | | . Having timer or delay means |
| 13 | | . Responsive to pump lubricant, sealant, or coolant condition |
| 14 | | . Having ambient condition responsive means |
| 15 | | . With control of pump drive transmission |
| 16 | | . With plural separate drive motors for single pump unit |
| 17 | | . With plural separate drive motor controlling elements |
| 18 | | . Single motor control element responsive to means sensing diverse conditions |
| 19 | | . . Sensing both inlet and outlet conditions |
| 20 | | . . One condition is rate of flow to or from pump |
| 21 | | . . One is motive fluid condition of fluid drive motor |
| 22 | | . . One condition is speed of pump |
| 23 | | . . . With common element sensing diverse condition to control motor and pump fluid valve |
| 24 | | . . . Speed sensor comprises auxiliary pump or electric generator |
| 25 | | . Relatively movable elements sensing same system pressure for single control element |
| 26 | | . With condition responsive control of pump fluid valve |
| 27 | | . . Having independent means for delaying valve actuation |
| 28 | | . . Fluid and motor controls have common sensing element |
| 29 | | . . Fluid and motor controls separately responsive to diverse conditions |
| 30 | | . . . Liquid accumulation controlled discharge valve downstream of motor controller sensing means |
| 31 | | . . . . Motor controller responsive to liquid pressure |
| 32 | | . Responsive to pump or pump fluid temperature |
| 33 | | . Pump stop control means requiring manual reset |
| 34 | | . By controlling internal combustion drive engine |
| 35 | | . By controlling wind motor in response to liquid accumulation |
| 36 | | . Responsive to accumulation of pumped liquid in receiver |
| 37 | | . . By movable liquid receptacle |
| 38 | | . . By liquid pressure sensor |
| 39 | | . . With motive fluid supply communicating with liquid receiver |
| 40 | | . . By float |
| 41 | | . . . Controlling motive fluid or drive motor |
| 42 | | . In response to pump speed |
| 43 | | . Responsive to change in rate of pump fluid flow |
| 44.1 | | . By control of electric or magnetic drive motor |
| 45 | | . . By changing electrical characteristic of motor or motor circuit |
| 44.2 | | . . Responsive to pump fluid pressure |
| 44.4 | | . . . Low pressure stops motor from turning on pump |
| 44.5 | | . . . Mercury switch |
| 44.6 | | . . . Dial-type sensor |
| 44.7 | | . . . Bellow-type sensor |
| 44.8 | | . . . Piston-type sensor |
| 44.9 | | . . . Diaphragm |
| 44.3 | | . . . Inlet pressure |
| 44.11 | | . . Responsive to change in electrical operating characteristic |
| 46 | | . By controlling drive motor motive fluid |
| 47 | | . . Rotary nonexpansible chamber-type motor |
| 48 | | ELECTRICAL OR GETTER TYPE |
| 49 | | . Ionic with gettering |
| 50 | | . Electromagnetic |
| 51 | | . Getter heating, vaporizing, or regeneration |
| 52 | | EXPANSION AND CONTRACTION OF PUMP FLUID |
| 53 | | PROCESSES |
| 54 | | . Of pumping one fluid by contact or entrainment with another |
| 55 | | . . Specific motive fluid |
| 56 | | DRILLED WELL FREE PISTON-TYPE PUMP |
| 57 | | . Having condition or position responsive control of pump discharge flow path |
| 58 | | . Having condition or position responsive control of motive fluid supply |
| 59 | | . Radially expansible piston portion controls pump and motor chamber intercommunication |
| 60 | | . Mechanically actuated valve carried by piston |
| 61 | | BUOYANTLY SUPPORTED |
| 62 | | ALTERNATE SERIES OR PARALLEL OPERATION OF PLURAL PUMPS |
| 63 | | WITH SIGNAL, INDICATOR, OR INSPECTION MEANS |
| 64 | | GAS PRESSURE EXCHANGE USING ROTARY CELLULAR CONVEYOR |
| 65 | | ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER |
| 66 | | . Contact or entrainment within rotary impeller |
| 67 | | . . Passage in impeller shaft for pumped or motive fluid |
| 68 | | . . Liquid ring |
| 69 | | . . . With diverse pump |
| 70 | | . . Peripheral motive fluid inlet |
| 71 | | . . Axial inlet for pumped fluid |
| 72 | | . . . Peripheral pumped fluid outlet |
| 73 | | . By ignition of motive fluid |
| 74 | | . . With pumped fluid condition responsive ignition means |
| 75 | | . . With fluid momentum utilizing means |
| 76 | | . Jet pump with motive fluid generating pump |
| 77 | | . . Recirculation of separated motive fluid |
| 78 | | . . Entrainment at exit of impeller |
| 79 | | . . Jet delivers back to generating pump |
| 80 | | . . . Rotary nonexpansible chamber-type generating pump |
| 81 | | . . . . Multiple-stage rotary pump |
| 82 | | . . . . Changeable jet location (e.g., deep or shallow well) |
| 83 | | . . . . Jet within rotary pump casing |
| 84 | | . . Rotary nonexpansible chamber-type generating pump |
| 85 | | . Diverse pumps |
| 86 | | . . Including pneumatic displacement |
| 87 | | . . Including jet pump |
| 88 | | . . . Diverse pump motor exhaust is jet motive fluid |
| 89 | | . . . With rotary nonexpansible chamber type |
| 90 | | . . Including aerated column |
| 91 | | . . . Diverse pump motor exhaust is aeration fluid |
| 92 | | . Liquid piston |
| 93 | | . . Moving contracting chamber |
| 94 | | . . . Helical chamber |
| 95 | | . . . Movement of chamber cyclically controls flow of liquid into chamber for cyclic operation |
| 96 | | . . . Liquid supporting chambers move liquid to pump fluid |
| 97 | | . . . Relatively movable chambers |
| 98 | | . . . Reciprocating |
| 99 | | . . Mercury piston |
| 100 | | . . Tide or wave |
| 101 | | . . Piston level responsive control for cyclic operation |
| 102 | | . . . Plural chambers |
| 103 | | . . Plural chambers |
| 104 | | . . Momentum piston |
| 105 | | . By condensation of motive fluid |
| 106 | | . . Plural alternating pumps |
| 107 | | . . With condition responsive control means |
| 108 | | . Aerated column |
| 109 | | . . Valved gas inlet |
| 110 | | . . . With pumped fluid velocity or flow responsive valve operating means |
| 111 | | . . . Plural serially actuated valves |
| 112 | | . . . With flexible pressure responsive sensing element (i.e., bellows, diaphragm, etc.) |
| 113 | | . . . . Sensing element controls pilot valve |
| 114 | | . . . With pilot valve |
| 115 | | . . . Valve member actuated responsive to absolute gaseous motive fluid pressure or flow rate |
| 116 | | . . . Controlled by means responsive to liquid level accumulation in column |
| 117 | | . . . Valve biased open by static pressure of pumped fluid |
| 118 | | . Liquid pumped by supplying or exhausting gaseous motive fluid to or from pumping chamber |
| 119 | | . . Motive fluid pumped by contact with a liquid |
| 120 | | . . With condition responsive control of motive fluid vacuum or pressure generating means |
| 121 | | . . Serially connected pumping chambers |
| 122 | | . . Alternate pumping from plural pumping chambers |
| 123 | | . . . Motive fluid in one chamber controlled by condition in second chamber |
| 124 | | . . . . Responsive to weight of pumped fluid |
| 125 | | . . . . Responsive to liquid level of pumped fluid |
| 126 | | . . With float actuated control means |
| 127 | | . . . Plural floats in single pumping chamber |
| 128 | | . . . With intermediate pilot valve |
| 129 | | . . . With intermediate electrical actuating means |
| 130 | | . . . Control of motive fluid inlet (e.g., atmosphere, etc.) |
| 131 | | . . . . With control of motive fluid outlet |
| 132 | | . . . . . With control of pumped fluid outlet |
| 133 | | . . . . . With overcenter valve actuator means |
| 134 | | . . . Control of motive fluid outlet |
| 135 | | . . . . With control of pumped fluid outlet |
| 136 | | . . . . With control of pumped fluid inlet |
| 137 | | . . Cyclic pumping |
| 138 | | . . . Control by liquid level sensing means |
| 139 | | . . . Control by condition of pumped fluid |
| 140 | | . . . . Movable pumping chamber |
| 141 | | . . . . Responsive to flow of pumped fluid |
| 142 | | . . . . Responsive to pumped fluid pressure |
| 143 | | . . . Motive fluid supply or exhaust valve responsive to motive fluid pressure |
| 144 | | . . . Correlated motive fluid valve and pressure or vacuum generating means |
| 145 | | . . . Correlated supply - exhaust of motive fluid or vacuum generating means |
| 146 | | . . . . With pilot valve |
| 147 | | . . . . Unitary supply - exhaust valve |
| 148 | | . . With vacuum generator |
| 149 | | . . . With pressure generator |
| 150 | | . Gravity flow motive fluid |
| 151 | | . Jet |
| 152 | | . . Vapor condensation vacuum diffusion type |
| 153 | | . . . With cooling or heat insulation means |
| 154 | | . . . Vertical stack from generator with reverse flow nozzle |
| 155 | | . . Flue type |
| 156 | | . . . With spark arrester |
| 157 | | . . . Regulation |
| 158 | | . . With motive fluid generator |
| 159 | | . . . Internal-combustion engine motive fluid source |
| 160 | | . . Cleaning by separate fluid or diverted motive fluid |
| 161 | | . . Radial disc-type motive fluid jet |
| 162 | | . . Interrelated overflow and motive fluid valves |
| 163 | | . . Successive introduction of motive fluid |
| 164 | | . . . With interstage cooling |
| 165 | | . . . Individually controlled motive fluid flows |
| 166 | | . . . . Sequential |
| 167 | | . . . Central and peripheral motive fluid supply |
| 168 | | . . . One motive fluid flow surrounds nozzle tube of another |
| 169 | | . . . Laterally spaced parallel motive fluid flows |
| 170 | | . . . In-line motive fluid flows |
| 171 | | . . Tangential motive fluid supply (i.e., vortex type) |
| 172 | | . . Concentric reverse flow motive fluid and discharge conduits |
| 173 | | . . With cooling |
| 174 | | . . Successive entrainment of pumped fluid |
| 175 | | . . With priming or overflow removal jet |
| 176 | | . . Parallel entrainments with separate combining tubes |
| 177 | | . . Annular motive fluid stream entrains pumped fluid outside and inside |
| 178 | | . . Selectively usable flow confining members (e.g., nozzles, combining tubes, etc.) |
| 179 | | . . Plural motive fluid jets or sources for single entrainment |
| 180 | | . . . Individual or relative control |
| 181 | | . . Faucet or flexible hose attached |
| 182 | | . . Regulation |
| 182.5 | | . . . Liquid level responsive |
| 183 | | . . . By position of nozzle relative to combining tube |
| 184 | | . . . . Pressure controlled |
| 185 | | . . . With main line downstream control |
| 186 | | . . . By bypassing motive fluid from nozzle |
| 187 | | . . . By controlling motive fluid |
| 188 | | . . . . Interrelated with pumped fluid control |
| 189 | | . . . . Pressure controlled |
| 190 | | . . . Pumped fluid inlet valve |
| 191 | | . . . . Pressure controlled |
| 192 | | . . . Pressure controlled overflow |
| 193 | | . . . . By movable conduit or conduit wall (e.g., combining tube) |
| 194 | | . . With means to whirl pumped fluid |
| 195 | | . . Specific material |
| 196 | | . . Expressed mathematically or dimensionally |
| 197 | | . . Peripheral motive fluid supply |
| 198 | | . . Specific motive fluid nozzle |
| 199.1 | | DIVERSE PUMPS |
| 199.2 | | . Priming and venting |
| 200 | | . Priming with liquid level responsive control |
| 201 | | . Including rotary nonexpansible chamber type |
| 202 | | . . Diverse pump controlled by rotary pump condition |
| 203 | | . . Preceding diverse pump |
| 204 | | . Moving partition or cylinder of rotary pump forms or actuates reciprocating pump |
| 205 | | . Series |
| 206 | | . . Rotary expansible chamber type precedes reciprocating |
| 207 | | BY HEATING OF PUMPED FLUID |
| 208 | | . Vapor generator type |
| 209 | | . . With inlet valve |
| 210 | | PUMP FLUID BIASED OVERCENTER LOAD EQUALIZER |
| 211 | | INERTIA-TYPE PUMPING MEMBER OR DRIVE MEANS |
| 211.5 | | LIQUID LEVEL RESPONSIVE CONTROL OF DISPLACEMENT, VOLUMETRIC CAPACITY, OR DRIVE TRANSMISSION |
| 212 | | CONDITION RESPONSIVE CONTROL OF DRIVE TRANSMISSION OR PUMP DISPLACEMENT |
| 213 | | . Having condition responsive pumped fluid control |
| 214 | | . Having means to hold or resist movement of pumping element |
| 215 | | . By changing phasing of plural pistons in single chamber |
| 216 | | . Plural pumps with individual or relative control |
| 217 | | . Reversible flow pump |
| 218 | | . Adjustable cam or linkage |
| 219 | | . . Radially adjustable stator |
| 220 | | . . . Rotary expansible chamber pump |
| 221 | | . . Radial cam or eccentric |
| 222.1 | | . . Axial cam |
| 222.2 | | . . . With sump pressure actuation |
| 223 | | . Disconnectable drive element (e.g., clutch, belt, shifter, etc.) |
| 225 | | INTENSIFIER |
| 226 | | . Ram type |
| 227 | | . . Multiple drive pipe |
| 228 | | WITH CONDITION RESPONSIVE CONTROL OF COOLANT OR LUBRICANT |
| 229 | | OPERATED BY ART DEVICE |
| 230 | | . Chair |
| 231 | | . Vehicle mounted or attached |
| 232 | | . . Scoop type |
| 233 | | . . Wheel or axle |
| 234 | | AMBULANT, BODY SUPPORTED, OR WITH CARRYING HANDLE |
| 235 | | . Pump driven by traverse movement |
| 236 | | CONVERTIBLE TO APPARATUS OF A DIFFERENT CLASS |
| 237 | | . Motor and pump |
| 238 | | CHANGEABLE BY ASSEMBLY OR DISASSEMBLY |
| 239 | | . For reverse drive or flow |
| 240 | | INERTIA LIQUID PISTON (E.G., MOMENTUM, ETC.) |
| 241 | | . Movable confining means |
| 242 | | POSITION RESPONSIVE BYPASS BETWEEN PLURAL PUMP CHAMBERS |
| 243 | | WITH INTERCOOLER |
| 244 | | SUCCESSIVE STAGES |
| 245 | | . Fluid motor for one stage supplied from another stage |
| 246 | | . Stages driven by relatively movable motor working members |
| 247 | | . . Rotary |
| 248 | | . Parallel stages to or from single stage |
| 249 | | . Prior stage delivers to atmospheric chamber |
| 250 | | . With interstage intake or additional inlet to latter stage |
| 251 | | . With interstage discharge or additional discharge from former stage |
| 252 | | . . Pressure responsive interstage discharge |
| 253 | | . Condition responsive control of fluid |
| 254 | | . Reciprocating rigid stages |
| 255 | | . . Crankcase forms stage or interstage flow path |
| 256 | | . . Stages comprise oppositely moving valved pumping members |
| 257 | | . . . Aligned |
| 258 | | . . Reciprocating cylinder and piston |
| 259 | | . . Including valved piston |
| 260 | | . . . Piston forms or carries inlet and outlet valve for one stage |
| 261 | | . . . Serial interstage distributors in piston |
| 262 | | . . . Valve in piston is first stage inlet valve |
| 263 | | . . . With additional pumping member in parallel flow path |
| 264 | | . . . Fluid motor driven |
| 265 | | . . Relatively movable |
| 266 | | . . Three or more |
| 267 | | . . Series double acting |
| 268 | | . . Unidirectionally acting rigidly connected pumping members |
| 269 | | THREE OR MORE CYLINDERS ARRANGED IN PARALLEL, RADIAL, OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS |
| 270 | | . Condition responsive fluid control |
| 271 | | . Motor driven |
| 272 | | . Continuous unidirectional fluid bias on reciprocating member |
| 273 | | . Radial cylinders |
| 274 | | CONDITION RESPONSIVE VARIABLE VOLUMETRIC CAPACITY EXPANSIBLE CHAMBER PUMP (I.E., CLEARANCE CONTROL) |
| 275 | | . Valved clearance chamber |
| 276 | | . . Connectable clearance chambers of opposed pump chambers |
| 277 | | . . Plural chambers connected to single pump chamber |
| 278 | | EXTERNAL CONDITION RESPONSIVE PUMPED FLUID CONTROL |
| 279 | | WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL |
| 280 | | . Responsive to pump created drive motor condition |
| 281 | | . Lubricant condition responsive |
| 282 | | . Plural separate sensing means for a single fluid controller |
| 283 | | . Bypass or relief valve controls venting by movable pump chamber part |
| 284 | | . Bypass or relief valve carried by movable pumping member |
| 285 | | . Valve passage directly connecting concurrently contracting and expanding nonrotary pump chambers |
| 286 | | . Plural pump units with individual or relative control |
| 287 | | . . Diverse capacity pumps |
| 288 | | . . Sequentially operated separate relief or bypass passages |
| 289 | | . Variable cutoff or pumping member controlled port |
| 290 | | . Having timer or delay means for fluid controller |
| 291 | | . Reversibly driven pump having bypass active in either flow direction |
| 292 | | . Pumped fluid temperature responsive |
| 293 | | . Driven pump part speed responsive |
| 294 | | . . Centrifugally actuated |
| 295 | | . Inlet throttle or stop valve |
| 296 | | . Bypass or relief valve part carried by or carries distributor part |
| 297 | | . Expansible chamber pump distributor operation modified |
| 297.5 | | . . Liquid level responsive |
| 298 | | . . Inlet valve |
| 299 | | . Normally open bypass or relief passage closed by increased pressure or flow |
| 300 | | . Fluid flow rate responsive |
| 301 | | . Inlet pressure increase opens bypass from pump inlet to discharge |
| 302 | | . Plural paths having individual condition responsive control means |
| 303 | | . . Sequentially opened main line and bypass or relief paths |
| 304 | | . . Plural bypass or relief paths |
| 305 | | . Manual actuation of condition responsive valve |
| 306 | | . Pump inlet or pump chamber vented to ambient (e.g., vacuum breaker) |
| 307 | | . Pressure responsive relief or bypass valve |
| 308 | | . . Having additional relief or bypass valve |
| 309 | | . . Responsive to pump inlet condition |
| 310 | | . . Rotary expansible chamber pump |
| 311 | | . . Adjustable spring loaded valve |
| 312 | | WITH MUFFLER ACTING ON PUMP FLUID |
| 313 | | COMBINED |
| 314 | | SINGLE ACTING CHANGEABLE TO OR FROM DOUBLE ACTING |
| 315 | | REVERSE FLOW WITH UNIDIRECTIONAL DRIVE OR UNIDIRECTIONAL FLOW WITH REVERSE DRIVE |
| 316 | | CORRELATED PUMP AND MOTOR OR CLUTCH CONTROL |
| 317 | | . Pump distributor control |
| 318 | | . . Mechanically interconnected pump and fluid motor distributors |
| 319 | | INCLUDING DISENGAGEABLE ROTARY OR FRANGIBLE DRIVE CONNECTION |
| 320 | | SERIALLY FORMED PUMPING CHAMBERS (E.G., ENDLESS) |
| 321 | | MOTOR DRIVEN |
| 322 | | . Magnetostrictive chamber |
| 323 | | . Pump motor or starter driven by pump fluid |
| 324 | | . Pump operated as motor to start prime mover drive |
| 325 | | . Reversely rotated for starting |
| 326 | | . Including means for selectively varying motor speed or rotary motor direction |
| 327 | | . Reaction motor |
| 328 | | . Spring or weight motor |
| 329 | | . . Fluid weight (e.g., gravity vessel) |
| 330 | | . Tide or wave motor |
| 331 | | . . Float |
| 332 | | . . . Pivoted |
| 333 | | . . . Guided |
| 334 | | . Fluid current motor |
| 335 | | . . Including alternate drive |
| 336 | | . . Rotary parallel axis type |
| 337 | | . Buoyant motor |
| 338 | | . Relatively movable pumping members driven by relatively movable working members |
| 339 | | . . Nonrotary pumping and fluid motor working members |
| 340 | | . . . Common expansible chamber for oppositely movable working members |
| 341 | | . . . . Mechanically interconnected |
| 342 | | . . . Including closed fluid interconnection between working members |
| 343 | | . . . Including mechanical interconnection to cause relative motion |
| 344 | | . . . Position of one working member controls motive fluid valve for another |
| 345 | | . . . . Control by single member responsive to position of each of plural working members |
| 346 | | . . . . Independently operated valve for each working member |
| 347 | | . . . Single member controls motive fluid for each working member |
| 348 | | . Common rotary pumping and fluid motor working member |
| 349 | | . Common pump and motor chamber |
| 350 | | . Motor rotor intermediate coaxial pump rotors |
| 351 | | . Pump rotor intermediate coaxial motor rotors |
| 352 | | . Motor within rotary pumping member |
| 353 | | . . Armature within pumping member |
| 354 | | . . . Stator within armature |
| 355 | | . Pump within rotary working member |
| 356 | | . . Pump within armature |
| 357 | | . Pump fluid communicates with sealed chamber containing armature |
| 358 | | . Pump - motor unit raised in vertical conduit by pressure fluid applied below unit |
| 359 | | . Adjustable motor and pump rotor unit or relatively adjustable aligned pump and motor rotary shafts |
| 360 | | . Including means for facilitating assembly or disassembly of pump to or from motor or fixed support |
| 361 | | . Pump and motor unitarily adjustable relative to fixed support |
| 362 | | . Pump and motor interconnected by endless flexible transmission element |
| 363 | | . Resiliently mounted pump or motor |
| 364 | | . Internal-combustion engine |
| 365 | | . Axial thrust balancing means for rotary pump and motor |
| 366 | | . Including means utilizing pump fluid for augmenting cooling, lubricating, sealing, or cleaning of motor |
| 367 | | . . Heat exchange means between pump fluid and secondary motor contacting fluid |
| 368 | | . . Including additional means for motivating fluid flow to or from motor (e.g., auxiliary pump, pump fluid induced flow path, etc.) |
| 369 | | . . Pump fluid directed to motor via downstream branched flow path |
| 370 | | . . . Recirculated through pump |
| 371 | | . . Pump fluid flows serially from motor through pump |
| 372 | | . Interrelated or common lubricating or cooling means for pump and motor |
| 373 | | . With means to prevent heat transfer between pump and motor |
| 374 | | . Including manual, mechanical, or diverse drive |
| 375 | | . Fluid motor |
| 376 | | . . Steam motor discharge into pump fluid |
| 377 | | . . Serial flow fluid from pumping chamber through motor working chamber |
| 378 | | . . . Pulsator type |
| 379 | | . . With motive fluid generator |
| 380 | | . . . Internal-combustion engine |
| 381 | | . . . Combustion products generator for motor |
| 382 | | . . . Plural pumping members; one additionally supplying motive fluid for second |
| 383 | | . . . Pulsator or fluid link |
| 384 | | . . . . Pneumatic |
| 385 | | . . . . With means to supply or vent pulsator fluid |
| 386 | | . . . . . Working member position responsive |
| 387 | | . . . . . Pulse piston position responsive |
| 388 | | . . . . . Pressure responsive |
| 389 | | . . . . Plural collapsible walls |
| 390 | | . . . Fluid pump |
| 391 | | . . Motor discharge into or upstream of pumping chamber |
| 392 | | . . Common pumping and motor working member |
| 393 | | . . . With additional unitary common pumping and motor working member |
| 394 | | . . . Collapsible common member |
| 395 | | . . . . Diaphragm |
| 396 | | . . Rectilinearly reciprocating motor working members coaxial with intermediate unitary pumping member |
| 397 | | . . Rectilinearly reciprocating pumping members coaxial with intermediate unitary motor working member |
| 398 | | . . Rectilinearly reciprocating cylinder and piston-type motor |
| 399 | | . . . Rectilinearly reciprocating cylinder and piston-type pump |
| 400 | | . . . . Interconnected moving cylinder and piston |
| 401 | | . . . . Integral pump and motor pistons |
| 402 | | . . . . . Constantly applied force in education stroke direction |
| 403 | | . . . . . Double acting motor piston |
| 404 | | . . . . . . Double acting pump piston |
| 405 | | . . Rotary motor |
| 406 | | . . . Unitary pump and motor rotors |
| 407 | | . . . . Overhung from central support |
| 408 | | . . . . Axial flow motor and pump |
| 409 | | . . . . Axial flow motor and centrifugal pump |
| 410.1 | | . Electric or magnetic motor |
| 411 | | . . Including electric power generating or storage means |
| 412 | | . . Collapsible wall pump |
| 413.1 | | . . . Diaphragm type |
| 413.2 | | . . . . Piezoelectric driven |
| 413.3 | | . . . . Of semiconductor material (e.g., silicon, germanium, etc.) |
| 414 | | . . Internal - external pressure balancer |
| 415 | | . . Reciprocating rigid pumping member |
| 416 | | . . . Reciprocating motor |
| 417 | | . . . . Unitary pump and motor working member |
| 418 | | . . . . . Opposed pumping member faces (e.g., double acting) |
| 419 | | . . . Relatively movable pumping members |
| 420 | | . . Pump magnetically coupled to rotary drive |
| 421 | | . . Trapped air motor seal (i.e., diving bell type) |
| 422 | | . . Sealed service conduit |
| 423.1 | | . . Rotary motor and rotary nonexpansible chamber pump |
| 423.2 | | . . . Vacuum cleaner |
| 423.3 | | . . . Submersible type |
| 423.4 | | . . . Turbomolecular pump |
| 423.5 | | . . . Plural units |
| 423.6 | | . . . Having nonflexible means to transmit power between motor shaft and pump shaft |
| 423.7 | | . . . With specific motor details |
| 423.8 | | . . . Having additional means to remove heat from pump or motor |
| 423.9 | | . . . Having means to prevent debris from entering pump |
| 423.15 | | . . . Having means to mount pump and motor in working position |
| 423.11 | | . . . Having means to prevent fluid leaking between pump and motor |
| 423.12 | | . . . Having bearing |
| 423.13 | | . . . . With lubricator |
| 423.14 | | . . . With specific housing details |
| 424.1 | | . . . Supported for rotation on vertical axis |
| 424.2 | | . . . . Motor mounted below pump |
| 410.2 | | . . Having piezoelectric driven blade |
| 410.3 | | . . Rotary expansible chamber pump |
| 410.4 | | . . . Interengaging rotary pumping members |
| 410.5 | | . . . Helical pumping member having planetary movement (e.g., scroll) |
| 425 | | SEPARATE MANUAL AND POWER DRIVEN PUMPING MEMBERS |
| 426 | | PLURAL PUMPS WITH INDIVIDUAL OR RELATIVE CONTROL |
| 427 | | . Distributor adjustment |
| 428 | | . Bypass control |
| 429 | | . Adjustment with respect to common drive |
| 430 | | INCLUDING MEANS TO (1) AGITATE PUMP FLUID, OR (2) PREVENT FOREIGN MATERIAL SETTLING FROM PUMP FLUID |
| 431 | | . By application of separate fluid |
| 432 | | INCLUDING APPLICATION OF SEPARATE FLUID TO PUMP VALVE |
| 433 | | . Liquid pool seal for gas pump valve |
| 434 | | INCLUDING SEPARATE PORT ON NONCYCLIC VALVE FOR DRAINING PUMP PORTION |
| 435 | | INCLUDING SEPARATE PORT ON NONCYCLIC VALVE FOR VENTING OR FILLING PUMP PORTION |
| 436 | | TRANSVERSELY MOVABLE IMPELLING MEMBER (E.G., PADDLE) |
| 437 | | EXPANSIBLE CHAMBER TYPE |
| 438 | | . Liquid coolant introduced into gas pump chamber or inlet |
| 439 | | . Having additional chamber intake connection from nonpumping space |
| 440 | | . Having separate noncyclic valve (e.g., bypass, etc.) |
| 441 | | . . For serial control of pump fluid (e.g., throttle valve) |
| 442 | | . Selectively usable plural inlet or outlet distributors for single chamber |
| 443 | | . Pressure responsive distributor opened responsive to pumping member position |
| 444 | | . . Distributor in piston |
| 445 | | . . . Including means to open distributor in fixed chamber wall |
| 446 | | . Having means for holding pressure responsive distributor open |
| 447 | | . Pressure responsive distributor continuously biased open |
| 448 | | . Pump mounted in vertical tubular flow conduit removable as unit by driving rod manipulation |
| 449 | | . . Removable unit having piston normally fixed in conduit |
| 450 | | . . With latching or anchoring means released by rod movement |
| 451 | | . Valve element mounted in fixed chamber wall removable with pumping member |
| 452 | | . . By separable engageable connecting elements |
| 453 | | . . . Threaded connecting elements |
| 454 | | . Including valve assembly, disassembly, or inspection facilitating means |
| 455 | | . Having valve parts relatively moved for nonvalving function |
| 456 | | . Relatively movable serial distributors |
| 457 | | . . Including distributor formed by moving cylinder or liner |
| 458 | | . . Plural pressure responsive distributors |
| 459 | | . . . Located within piston (e.g., valved piston) |
| 460 | | . Moving cylinder |
| 461 | | . . Cylinder rotates or oscillates about longitudinal axis |
| 462 | | . . Unidirectionally rotating cylinder |
| 463 | | . . . Having second cylinder unitary with piston of first |
| 464 | | . . Cylinder oscillates about axis transverse to longitudinal axis |
| 465 | | . . . Inlet or discharge controlled by cooperating ports in cylinder or piston and fixed member |
| 466 | | . . Inlet or discharge controlled by cooperating port in reciprocating cylinder and fixed member |
| 467 | | . . Relatively movable cylinders |
| 468 | | . . Having integral pump piston or external pumping face |
| 469 | | . . Cylinder and piston reciprocate on common axis |
| 470 | | . Biasing means effects induction stroke of abutment driven, vacuum producing pumping member |
| 471 | | . Biasing means effects eduction stroke of abutment driven, pressure producing pumping member |
| 472 | | . Bellows-type chamber |
| 473 | | . . Plural bellows |
| 474 | | . Elongated flexible chamber wall progressively deformed |
| 475 | | . . Plural chambers |
| 476 | | . . Deformation by rolling or sliding engagement member |
| 477.1 | | . . . Plural spaced engagement members or member portions |
| 477.2 | | . . . . Cassette |
| 477.3 | | . . . . Specific rollers or slides structure |
| 477.4 | | . . . . . Helical slide |
| 477.5 | | . . . . . Roller axes or slide contact surfaces at significant angle with drive axis |
| 477.7 | | . . . . . Biased rollers or slides |
| 477.8 | | . . . . . Adjustable rollers or slides |
| 477.6 | | . . . . . Positively driven rollers |
| 477.9 | | . . . . Specific backing member for flexible wall |
| 477.11 | | . . . . . Adjustable backing |
| 477.12 | | . . . . Specific flexible wall or interposed flexible member |
| 477.13 | | . . . . Flexible tube without backing member |
| 477.14 | | . . . . Endless chain or belt |
| 478 | | . Inlet and discharge distributors at opposite ends of tubular flexible wall pumping chamber |
| 479 | | . Distributor formed from integral portion of flexible wall pumping member |
| 480 | | . Valve in collapsible wall pumping member |
| 481 | | . Oscillating pumping member |
| 482 | | . . Inlet distributor in abutment wall for pumping member |
| 483 | | . . . Having discharge distributor in pumping member |
| 484 | | . . Distributor in pumping member |
| 485 | | . Delivery to different ports on successive strokes |
| 486 | | . Plural pumping members in single pump chamber |
| 487 | | . . Coaxial reciprocating pumping members |
| 488 | | . . . Form opposite chamber walls |
| 489 | | . Control by withdrawal or tilting of pump piston relative to cylinder |
| 490 | | . Pumping member position controlled port |
| 491 | | . . Common pumping member controls inlet or discharge for plural chambers |
| 492 | | . . . Control by movement of pumping member about axis |
| 493 | | . . Including plural controlled inlet or outlet flow paths |
| 494 | | . . . Having means to selectively effect control at different positions of pumping member stroke |
| 495 | | . . . Pumping member comprises valved piston |
| 496 | | . . Having serial control of inlet or discharge flow path |
| 497 | | . . Pumping member controlled end wall port |
| 498 | | . . Longitudinally spaced inlet and discharge sidewall ports |
| 499 | | . . Having means to effect control at different positions of pumping member stroke |
| 500 | | . . Control by movement of pumping member about axis |
| 501 | | . . Having coextensive distributor opposite pumping member end face |
| 502 | | . Multiple cyclic outlet paths |
| 503 | | . Multiple cyclic inlet paths |
| 504 | | . Plural outlet paths to single discharge line acting under different conditions |
| 505 | | . Electrically or magnetically actuated distributor |
| 506 | | . Distributor movement adjustable |
| 507 | | . Distributor moved by separate fluid responsive surface |
| 508 | | . . Including mechanical actuation |
| 509 | | . Distributor part forms traversed movable pump chamber wall portion |
| 510 | | . Mechanically actuated distributor |
| 511 | | . . Piston carried distributor, one frictionally engages chamber wall, drive rod integral with other (e.g., piston driven by valve element through lost motion connection, etc.) |
| 512 | | . . . Unitary distributor element controls inlet or discharge for plural chambers |
| 513 | | . . . Conical engagement |
| 514 | | . . Distributor in piston |
| 515 | | . . Plural pumping chambers |
| 516 | | . . . Common element forms inlet or discharge distributor for plural chambers |
| 517 | | . . . . Element forms both inlet and discharge distributor |
| 518 | | . . Common element forms inlet and discharge distributor |
| 519 | | . . . Element moves about axis |
| 520 | | . . Distributor abutted by or frictionally engaged with pumping member |
| 521 | | . Plural pumping chambers |
| 522 | | . . Discharge conduit for first chamber communicates with nonpumping portion or second pumping member |
| 523 | | . . Including valved piston |
| 524 | | . . . Unitary or interconnected elements form inlet or discharge distributors for plural chambers |
| 525 | | . . . Common piston includes valves for plural axially aligned chambers |
| 526 | | . . . . Common inlet or discharge conduit mounted on piston |
| 527 | | . . . . Fluid conduit for one chamber extends through portion of another |
| 528 | | . . . Fluid conduit for one chamber extends through portion of another |
| 529 | | . . . Parallel laterally spaced relatively movable pistons |
| 530 | | . . . Including nonvalved piston |
| 531 | | . . Unitary or interconnected elements form inlet or discharge distributors for plural chambers |
| 532 | | . . . Unitary element movable about an axis |
| 533 | | . . Common discharge conduit interposed between spaced parallel chambers |
| 534 | | . . Chambers formed at opposite ends of rectilinearly moving pumping member |
| 535 | | . . . All discharge distributors positioned laterally of pumping member path |
| 536 | | . . . . Inlet and discharge distributors positioned laterally of pumping member path |
| 537 | | . . . . . All distributors positioned on same side of pumping chamber |
| 538 | | . . Inlet and discharge distributors at adjacent end of aligned chambers |
| 539 | | . . Parallel laterally spaced relatively movable pumping members |
| 540 | | . Having pulsation dampening fluid receiving space |
| 541 | | . . Space formed on pumping member |
| 542 | | . . Inlet and discharge spaces |
| 543 | | . . Direct contact with confined compressible fluid |
| 544 | | . . . Manually operated pump |
| 545 | | . Valved piston |
| 546 | | . . Piston contains inlet and outlet valves |
| 547 | | . . Fluid conduit fixed to piston |
| 548 | | . . Having rigidly attached imperforate wall member |
| 549 | | . . Having separate means biasing valve closed |
| 550 | | . . Flexible |
| 551 | | . . Hinged |
| 552 | | . . Reciprocating |
| 553 | | . . . Annular |
| 554 | | . . . Ball type |
| 555.1 | | . Fluid serially moved to opposite side of pumping member |
| 555.2 | | . . Well swabs |
| 556 | | . . Control by movable rigid piston side wall |
| 557 | | . Pump chamber in constant communication with inlet or discharge conduit |
| 558 | | . First distributor includes passage controlled by second distributor (i.e., inlet and outlet) |
| 559 | | . Having pumping chamber pressure responsive distributor |
| 560 | | . . Single unitary element forms inlet and discharge distributor |
| 561 | | . . Pumping member position responsive stop for distributor |
| 562 | | . . Having means on pumping member for accommodating distributor portion |
| 563 | | . . Similar inlet and discharge distributors of different size or material |
| 564 | | . . . Annular-type distributors |
| 565 | | . . Hinged inlet and discharge distributors in aligned conduits |
| 566 | | . . Nonmetallic inlet or discharge distributor |
| 567 | | . . Inlet and discharge distributors in coaxial ports |
| 568 | | . . . Transverse to axis of pumping member |
| 569 | | . . Distributor positioned opposite pumping member end face |
| 570 | | . . . Distributor coextensive with pumping member end face |
| 571 | | . . . Inlet and discharge distributors |
| 572 | | MISCELLANEOUS |
| | | ****************************** |
| | | CROSS-REFERENCE ART COLLECTIONS |
| | | ****************************** |
| 900 | | SLURRY PUMPS (E.G., CONCRETE) |
| 901 | | CRYOGENIC PUMPS |
| 902 | | HERMETICALLY SEALED MOTOR PUMP UNIT |
| 903 | | TREADLE OPERATED |
| 904 | | WELL PUMP DRIVEN BY FLUID MOTOR MOUNTED ABOVE GROUND |
| | | ****************************** |
| | | DIGEST |
| | | ****************************** |
| DIG 1 | | Materials digest |
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