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Class Number: 417
Class Title: PUMPS
Subclass Subclass
Number Title
1 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 .By control of electric or magnetic drive motorr
45 ..By changing electrical characteristic of motor or motor
circuit
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 EXCHANGER USING ROTARY CELLULAR CONVEYER
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 chamberss
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 meanss
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 ventingg
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
stagee
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 non-rotary 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 too
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 memberr
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 workingg
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 R .Electric or magnetic motor
411 ..Including electric power generating or storage means
412 ..Collapsible wall pump
413 R ...Diaphragm type
413 A ....Piezoelectric driven
413 B ....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 A ..Having piezoelectric driven blade
410 B ..Rotary expansible chamber pump
410 C ...Interengaging rotary pumping memberr
410 D ...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 NON-CYCLIC VALVE FOR DRAINING PUMP
PORTION
435 INCLUDING SEPARATE PORT ON NON-CYCLIC 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 facee
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 ...Plural spaced engagement members or member portions
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 chamberss
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 swabss
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
* ******************************
* DIGEST
* ******************************
DIG 1 Materials digest
DIG 2 .WELL PUMP DRIVEN BY FLUID MOTOR MOUNTED ABOVEGROUND