US Patent Class 417
PUMPS




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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  CONDITION RESPONSIVE CONTROL OF PUMP DRIVE MOTOR
2  DF  .~ Plural pumps having separate drive motors, supply sources, or delivery destinations
3  DF  .~.~ Pumps in parallel flow paths with common inflow or outflow
4  DF  .~.~.~ Having means sensing condition in common inflow or outflow line
5  DF  .~.~.~.~ With control of plural pump drive motors
6  DF  .~.~.~.~.~ With additional means sensing condition of one pump or path
7  DF  .~.~.~.~.~ Sequential starting or stopping of pumps
8  DF  .~.~.~.~.~.~ Alternating sequences
9  DF  .~ By stopping pump in response to leakage into or from system
10  DF  .~ By controlling starter motor for internal combustion engine
11  DF  .~ By controlling free piston internal combustion engine
12  DF  .~ Having timer or delay means
13  DF  .~ Responsive to pump lubricant, sealant, or coolant condition
14  DF  .~ Having ambient condition responsive means
15  DF  .~ With control of pump drive transmission
16  DF  .~ With plural separate drive motors for single pump unit
17  DF  .~ With plural separate drive motor controlling elements
18  DF  .~ Single motor control element responsive to means sensing diverse conditions
19  DF  .~.~ Sensing both inlet and outlet conditions
20  DF  .~.~ One condition is rate of flow to or from pump
21  DF  .~.~ One is motive fluid condition of fluid drive motor
22  DF  .~.~ One condition is speed of pump
23  DF  .~.~.~ With common element sensing diverse condition to control motor and pump fluid valve
24  DF  .~.~.~ Speed sensor comprises auxiliary pump or electric generator
25  DF  .~ Relatively movable elements sensing same system pressure for single control element
26  DF  .~ With condition responsive control of pump fluid valve
27  DF  .~.~ Having independent means for delaying valve actuation
28  DF  .~.~ Fluid and motor controls have common sensing element
29  DF  .~.~ Fluid and motor controls separately responsive to diverse conditions
30  DF  .~.~.~ Liquid accumulation controlled discharge valve downstream of motor controller sensing means
31  DF  .~.~.~.~ Motor controller responsive to liquid pressure
32  DF  .~ Responsive to pump or pump fluid temperature
33  DF  .~ Pump stop control means requiring manual reset
34  DF  .~ By controlling internal combustion drive engine
35  DF  .~ By controlling wind motor in response to liquid accumulation
36  DF  .~ Responsive to accumulation of pumped liquid in receiver
37  DF  .~.~ By movable liquid receptacle
38  DF  .~.~ By liquid pressure sensor
39  DF  .~.~ With motive fluid supply communicating with liquid receiver
40  DF  .~.~ By float
41  DF  .~.~.~ Controlling motive fluid or drive motor
42  DF  .~ In response to pump speed
43  DF  .~ Responsive to change in rate of pump fluid flow
44.1  DF  .~ By control of electric or magnetic drive motor
45  DF  .~.~ By changing electrical characteristic of motor or motor circuit
44.2  DF  .~.~ Responsive to pump fluid pressure
44.4  DF  .~.~.~ Low pressure stops motor from turning on pump
44.5  DF  .~.~.~ Mercury switch
44.6  DF  .~.~.~ Dial-type sensor
44.7  DF  .~.~.~ Bellow-type sensor
44.8  DF  .~.~.~ Piston-type sensor
44.9  DF  .~.~.~ Diaphragm
44.3  DF  .~.~.~ Inlet pressure
44.11  DF  .~.~ Responsive to change in electrical operating characteristic
46  DF  .~ By controlling drive motor motive fluid
47  DF  .~.~ Rotary nonexpansible chamber-type motor
48  DF  ELECTRICAL OR GETTER TYPE
49  DF  .~ Ionic with gettering
50  DF  .~ Electromagnetic
51  DF  .~ Getter heating, vaporizing, or regeneration
52  DF  EXPANSION AND CONTRACTION OF PUMP FLUID
53  DF  PROCESSES
54  DF  .~ Of pumping one fluid by contact or entrainment with another
55  DF  .~.~ Specific motive fluid
56  DF  DRILLED WELL FREE PISTON-TYPE PUMP
57  DF  .~ Having condition or position responsive control of pump discharge flow path
58  DF  .~ Having condition or position responsive control of motive fluid supply
59  DF  .~ Radially expansible piston portion controls pump and motor chamber intercommunication
60  DF  .~ Mechanically actuated valve carried by piston
61  DF  BUOYANTLY SUPPORTED
62  DF  ALTERNATE SERIES OR PARALLEL OPERATION OF PLURAL PUMPS
63  DF  WITH SIGNAL, INDICATOR, OR INSPECTION MEANS
64  DF  GAS PRESSURE EXCHANGE USING ROTARY CELLULAR CONVEYOR
65  DF  ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER
66  DF  .~ Contact or entrainment within rotary impeller
67  DF  .~.~ Passage in impeller shaft for pumped or motive fluid
68  DF  .~.~ Liquid ring
69  DF  .~.~.~ With diverse pump
70  DF  .~.~ Peripheral motive fluid inlet
71  DF  .~.~ Axial inlet for pumped fluid
72  DF  .~.~.~ Peripheral pumped fluid outlet
73  DF  .~ By ignition of motive fluid
74  DF  .~.~ With pumped fluid condition responsive ignition means
75  DF  .~.~ With fluid momentum utilizing means
76  DF  .~ Jet pump with motive fluid generating pump
77  DF  .~.~ Recirculation of separated motive fluid
78  DF  .~.~ Entrainment at exit of impeller
79  DF  .~.~ Jet delivers back to generating pump
80  DF  .~.~.~ Rotary nonexpansible chamber-type generating pump
81  DF  .~.~.~.~ Multiple-stage rotary pump
82  DF  .~.~.~.~ Changeable jet location (e.g., deep or shallow well)
83  DF  .~.~.~.~ Jet within rotary pump casing
84  DF  .~.~ Rotary nonexpansible chamber-type generating pump
85  DF  .~ Diverse pumps
86  DF  .~.~ Including pneumatic displacement
87  DF  .~.~ Including jet pump
88  DF  .~.~.~ Diverse pump motor exhaust is jet motive fluid
89  DF  .~.~.~ With rotary nonexpansible chamber type
90  DF  .~.~ Including aerated column
91  DF  .~.~.~ Diverse pump motor exhaust is aeration fluid
92  DF  .~ Liquid piston
93  DF  .~.~ Moving contracting chamber
94  DF  .~.~.~ Helical chamber
95  DF  .~.~.~ Movement of chamber cyclically controls flow of liquid into chamber for cyclic operation
96  DF  .~.~.~ Liquid supporting chambers move liquid to pump fluid
97  DF  .~.~.~ Relatively movable chambers
98  DF  .~.~.~ Reciprocating
99  DF  .~.~ Mercury piston
100  DF  .~.~ Tide or wave
101  DF  .~.~ Piston level responsive control for cyclic operation
102  DF  .~.~.~ Plural chambers
103  DF  .~.~ Plural chambers
104  DF  .~.~ Momentum piston
105  DF  .~ By condensation of motive fluid
106  DF  .~.~ Plural alternating pumps
107  DF  .~.~ With condition responsive control means
108  DF  .~ Aerated column
109  DF  .~.~ Valved gas inlet
110  DF  .~.~.~ With pumped fluid velocity or flow responsive valve operating means
111  DF  .~.~.~ Plural serially actuated valves
112  DF  .~.~.~ With flexible pressure responsive sensing element (i.e., bellows, diaphragm, etc.)
113  DF  .~.~.~.~ Sensing element controls pilot valve
114  DF  .~.~.~ With pilot valve
115  DF  .~.~.~ Valve member actuated responsive to absolute gaseous motive fluid pressure or flow rate
116  DF  .~.~.~ Controlled by means responsive to liquid level accumulation in column
117  DF  .~.~.~ Valve biased open by static pressure of pumped fluid
118  DF  .~ Liquid pumped by supplying or exhausting gaseous motive fluid to or from pumping chamber
119  DF  .~.~ Motive fluid pumped by contact with a liquid
120  DF  .~.~ With condition responsive control of motive fluid vacuum or pressure generating means
121  DF  .~.~ Serially connected pumping chambers
122  DF  .~.~ Alternate pumping from plural pumping chambers
123  DF  .~.~.~ Motive fluid in one chamber controlled by condition in second chamber
124  DF  .~.~.~.~ Responsive to weight of pumped fluid
125  DF  .~.~.~.~ Responsive to liquid level of pumped fluid
126  DF  .~.~ With float actuated control means
127  DF  .~.~.~ Plural floats in single pumping chamber
128  DF  .~.~.~ With intermediate pilot valve
129  DF  .~.~.~ With intermediate electrical actuating means
130  DF  .~.~.~ Control of motive fluid inlet (e.g., atmosphere, etc.)
131  DF  .~.~.~.~ With control of motive fluid outlet
132  DF  .~.~.~.~.~ With control of pumped fluid outlet
133  DF  .~.~.~.~.~ With overcenter valve actuator means
134  DF  .~.~.~ Control of motive fluid outlet
135  DF  .~.~.~.~ With control of pumped fluid outlet
136  DF  .~.~.~.~ With control of pumped fluid inlet
137  DF  .~.~ Cyclic pumping
138  DF  .~.~.~ Control by liquid level sensing means
139  DF  .~.~.~ Control by condition of pumped fluid
140  DF  .~.~.~.~ Movable pumping chamber
141  DF  .~.~.~.~ Responsive to flow of pumped fluid
142  DF  .~.~.~.~ Responsive to pumped fluid pressure
143  DF  .~.~.~ Motive fluid supply or exhaust valve responsive to motive fluid pressure
144  DF  .~.~.~ Correlated motive fluid valve and pressure or vacuum generating means
145  DF  .~.~.~ Correlated supply - exhaust of motive fluid or vacuum generating means
146  DF  .~.~.~.~ With pilot valve
147  DF  .~.~.~.~ Unitary supply - exhaust valve
148  DF  .~.~ With vacuum generator
149  DF  .~.~.~ With pressure generator
150  DF  .~ Gravity flow motive fluid
151  DF  .~ Jet
152  DF  .~.~ Vapor condensation vacuum diffusion type
153  DF  .~.~.~ With cooling or heat insulation means
154  DF  .~.~.~ Vertical stack from generator with reverse flow nozzle
155  DF  .~.~ Flue type
156  DF  .~.~.~ With spark arrester
157  DF  .~.~.~ Regulation
158  DF  .~.~ With motive fluid generator
159  DF  .~.~.~ Internal-combustion engine motive fluid source
160  DF  .~.~ Cleaning by separate fluid or diverted motive fluid
161  DF  .~.~ Radial disc-type motive fluid jet
162  DF  .~.~ Interrelated overflow and motive fluid valves
163  DF  .~.~ Successive introduction of motive fluid
164  DF  .~.~.~ With interstage cooling
165  DF  .~.~.~ Individually controlled motive fluid flows
166  DF  .~.~.~.~ Sequential
167  DF  .~.~.~ Central and peripheral motive fluid supply
168  DF  .~.~.~ One motive fluid flow surrounds nozzle tube of another
169  DF  .~.~.~ Laterally spaced parallel motive fluid flows
170  DF  .~.~.~ In-line motive fluid flows
171  DF  .~.~ Tangential motive fluid supply (i.e., vortex type)
172  DF  .~.~ Concentric reverse flow motive fluid and discharge conduits
173  DF  .~.~ With cooling
174  DF  .~.~ Successive entrainment of pumped fluid
175  DF  .~.~ With priming or overflow removal jet
176  DF  .~.~ Parallel entrainments with separate combining tubes
177  DF  .~.~ Annular motive fluid stream entrains pumped fluid outside and inside
178  DF  .~.~ Selectively usable flow confining members (e.g., nozzles, combining tubes, etc.)
179  DF  .~.~ Plural motive fluid jets or sources for single entrainment
180  DF  .~.~.~ Individual or relative control
181  DF  .~.~ Faucet or flexible hose attached
182  DF  .~.~ Regulation
182.5  DF  .~.~.~ Liquid level responsive
183  DF  .~.~.~ By position of nozzle relative to combining tube
184  DF  .~.~.~.~ Pressure controlled
185  DF  .~.~.~ With main line downstream control
186  DF  .~.~.~ By bypassing motive fluid from nozzle
187  DF  .~.~.~ By controlling motive fluid
188  DF  .~.~.~.~ Interrelated with pumped fluid control
189  DF  .~.~.~.~ Pressure controlled
190  DF  .~.~.~ Pumped fluid inlet valve
191  DF  .~.~.~.~ Pressure controlled
192  DF  .~.~.~ Pressure controlled overflow
193  DF  .~.~.~.~ By movable conduit or conduit wall (e.g., combining tube)
194  DF  .~.~ With means to whirl pumped fluid
195  DF  .~.~ Specific material
196  DF  .~.~ Expressed mathematically or dimensionally
197  DF  .~.~ Peripheral motive fluid supply
198  DF  .~.~ Specific motive fluid nozzle
199.1  DF  DIVERSE PUMPS
199.2  DF  .~ Priming and venting
200  DF  .~ Priming with liquid level responsive control
201  DF  .~ Including rotary nonexpansible chamber type
202  DF  .~.~ Diverse pump controlled by rotary pump condition
203  DF  .~.~ Preceding diverse pump
204  DF  .~ Moving partition or cylinder of rotary pump forms or actuates reciprocating pump
205  DF  .~ Series
206  DF  .~.~ Rotary expansible chamber type precedes reciprocating
207  DF  BY HEATING OF PUMPED FLUID
208  DF  .~ Vapor generator type
209  DF  .~.~ With inlet valve
210  DF  PUMP FLUID BIASED OVERCENTER LOAD EQUALIZER
211  DF  INERTIA-TYPE PUMPING MEMBER OR DRIVE MEANS
211.5  DF  LIQUID LEVEL RESPONSIVE CONTROL OF DISPLACEMENT, VOLUMETRIC CAPACITY, OR DRIVE TRANSMISSION
212  DF  CONDITION RESPONSIVE CONTROL OF DRIVE TRANSMISSION OR PUMP DISPLACEMENT
213  DF  .~ Having condition responsive pumped fluid control
214  DF  .~ Having means to hold or resist movement of pumping element
215  DF  .~ By changing phasing of plural pistons in single chamber
216  DF  .~ Plural pumps with individual or relative control
217  DF  .~ Reversible flow pump
218  DF  .~ Adjustable cam or linkage
219  DF  .~.~ Radially adjustable stator
220  DF  .~.~.~ Rotary expansible chamber pump
221  DF  .~.~ Radial cam or eccentric
222.1  DF  .~.~ Axial cam
222.2  DF  .~.~.~ With sump pressure actuation
223  DF  .~ Disconnectable drive element (e.g., clutch, belt, shifter, etc.)
225  DF  INTENSIFIER
226  DF  .~ Ram type
227  DF  .~.~ Multiple drive pipe
228  DF  WITH CONDITION RESPONSIVE CONTROL OF COOLANT OR LUBRICANT
229  DF  OPERATED BY ART DEVICE
230  DF  .~ Chair
231  DF  .~ Vehicle mounted or attached
232  DF  .~.~ Scoop type
233  DF  .~.~ Wheel or axle
234  DF  AMBULANT, BODY SUPPORTED, OR WITH CARRYING HANDLE
235  DF  .~ Pump driven by traverse movement
236  DF  CONVERTIBLE TO APPARATUS OF A DIFFERENT CLASS
237  DF  .~ Motor and pump
238  DF  CHANGEABLE BY ASSEMBLY OR DISASSEMBLY
239  DF  .~ For reverse drive or flow
240  DF  INERTIA LIQUID PISTON (E.G., MOMENTUM, ETC.)
241  DF  .~ Movable confining means
242  DF  POSITION RESPONSIVE BYPASS BETWEEN PLURAL PUMP CHAMBERS
243  DF  WITH INTERCOOLER
244  DF  SUCCESSIVE STAGES
245  DF  .~ Fluid motor for one stage supplied from another stage
246  DF  .~ Stages driven by relatively movable motor working members
247  DF  .~.~ Rotary
248  DF  .~ Parallel stages to or from single stage
249  DF  .~ Prior stage delivers to atmospheric chamber
250  DF  .~ With interstage intake or additional inlet to latter stage
251  DF  .~ With interstage discharge or additional discharge from former stage
252  DF  .~.~ Pressure responsive interstage discharge
253  DF  .~ Condition responsive control of fluid
254  DF  .~ Reciprocating rigid stages
255  DF  .~.~ Crankcase forms stage or interstage flow path
256  DF  .~.~ Stages comprise oppositely moving valved pumping members
257  DF  .~.~.~ Aligned
258  DF  .~.~ Reciprocating cylinder and piston
259  DF  .~.~ Including valved piston
260  DF  .~.~.~ Piston forms or carries inlet and outlet valve for one stage
261  DF  .~.~.~ Serial interstage distributors in piston
262  DF  .~.~.~ Valve in piston is first stage inlet valve
263  DF  .~.~.~ With additional pumping member in parallel flow path
264  DF  .~.~.~ Fluid motor driven
265  DF  .~.~ Relatively movable
266  DF  .~.~ Three or more
267  DF  .~.~ Series double acting
268  DF  .~.~ Unidirectionally acting rigidly connected pumping members
269  DF  THREE OR MORE CYLINDERS ARRANGED IN PARALLEL, RADIAL, OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS
270  DF  .~ Condition responsive fluid control
271  DF  .~ Motor driven
272  DF  .~ Continuous unidirectional fluid bias on reciprocating member
273  DF  .~ Radial cylinders
274  DF  CONDITION RESPONSIVE VARIABLE VOLUMETRIC CAPACITY EXPANSIBLE CHAMBER PUMP (I.E., CLEARANCE CONTROL)
275  DF  .~ Valved clearance chamber
276  DF  .~.~ Connectable clearance chambers of opposed pump chambers
277  DF  .~.~ Plural chambers connected to single pump chamber
278  DF  EXTERNAL CONDITION RESPONSIVE PUMPED FLUID CONTROL
279  DF  WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL
280  DF  .~ Responsive to pump created drive motor condition
281  DF  .~ Lubricant condition responsive
282  DF  .~ Plural separate sensing means for a single fluid controller
283  DF  .~ Bypass or relief valve controls venting by movable pump chamber part
284  DF  .~ Bypass or relief valve carried by movable pumping member
285  DF  .~ Valve passage directly connecting concurrently contracting and expanding nonrotary pump chambers
286  DF  .~ Plural pump units with individual or relative control
287  DF  .~.~ Diverse capacity pumps
288  DF  .~.~ Sequentially operated separate relief or bypass passages
289  DF  .~ Variable cutoff or pumping member controlled port
290  DF  .~ Having timer or delay means for fluid controller
291  DF  .~ Reversibly driven pump having bypass active in either flow direction
292  DF  .~ Pumped fluid temperature responsive
293  DF  .~ Driven pump part speed responsive
294  DF  .~.~ Centrifugally actuated
295  DF  .~ Inlet throttle or stop valve
296  DF  .~ Bypass or relief valve part carried by or carries distributor part
297  DF  .~ Expansible chamber pump distributor operation modified
297.5  DF  .~.~ Liquid level responsive
298  DF  .~.~ Inlet valve
299  DF  .~ Normally open bypass or relief passage closed by increased pressure or flow
300  DF  .~ Fluid flow rate responsive
301  DF  .~ Inlet pressure increase opens bypass from pump inlet to discharge
302  DF  .~ Plural paths having individual condition responsive control means
303  DF  .~.~ Sequentially opened main line and bypass or relief paths
304  DF  .~.~ Plural bypass or relief paths
305  DF  .~ Manual actuation of condition responsive valve
306  DF  .~ Pump inlet or pump chamber vented to ambient (e.g., vacuum breaker)
307  DF  .~ Pressure responsive relief or bypass valve
308  DF  .~.~ Having additional relief or bypass valve
309  DF  .~.~ Responsive to pump inlet condition
310  DF  .~.~ Rotary expansible chamber pump
311  DF  .~.~ Adjustable spring loaded valve
312  DF  WITH MUFFLER ACTING ON PUMP FLUID
313  DF  COMBINED
314  DF  SINGLE ACTING CHANGEABLE TO OR FROM DOUBLE ACTING
315  DF  REVERSE FLOW WITH UNIDIRECTIONAL DRIVE OR UNIDIRECTIONAL FLOW WITH REVERSE DRIVE
316  DF  CORRELATED PUMP AND MOTOR OR CLUTCH CONTROL
317  DF  .~ Pump distributor control
318  DF  .~.~ Mechanically interconnected pump and fluid motor distributors
319  DF  INCLUDING DISENGAGEABLE ROTARY OR FRANGIBLE DRIVE CONNECTION
320  DF  SERIALLY FORMED PUMPING CHAMBERS (E.G., ENDLESS)
321  DF  MOTOR DRIVEN
322  DF  .~ Magnetostrictive chamber
323  DF  .~ Pump motor or starter driven by pump fluid
324  DF  .~ Pump operated as motor to start prime mover drive
325  DF  .~ Reversely rotated for starting
326  DF  .~ Including means for selectively varying motor speed or rotary motor direction
327  DF  .~ Reaction motor
328  DF  .~ Spring or weight motor
329  DF  .~.~ Fluid weight (e.g., gravity vessel)
330  DF  .~ Tide or wave motor
331  DF  .~.~ Float
332  DF  .~.~.~ Pivoted
333  DF  .~.~.~ Guided
334  DF  .~ Fluid current motor
335  DF  .~.~ Including alternate drive
336  DF  .~.~ Rotary parallel axis type
337  DF  .~ Buoyant motor
338  DF  .~ Relatively movable pumping members driven by relatively movable working members
339  DF  .~.~ Nonrotary pumping and fluid motor working members
340  DF  .~.~.~ Common expansible chamber for oppositely movable working members
341  DF  .~.~.~.~ Mechanically interconnected
342  DF  .~.~.~ Including closed fluid interconnection between working members
343  DF  .~.~.~ Including mechanical interconnection to cause relative motion
344  DF  .~.~.~ Position of one working member controls motive fluid valve for another
345  DF  .~.~.~.~ Control by single member responsive to position of each of plural working members
346  DF  .~.~.~.~ Independently operated valve for each working member
347  DF  .~.~.~ Single member controls motive fluid for each working member
348  DF  .~ Common rotary pumping and fluid motor working member
349  DF  .~ Common pump and motor chamber
350  DF  .~ Motor rotor intermediate coaxial pump rotors
351  DF  .~ Pump rotor intermediate coaxial motor rotors
352  DF  .~ Motor within rotary pumping member
353  DF  .~.~ Armature within pumping member
354  DF  .~.~.~ Stator within armature
355  DF  .~ Pump within rotary working member
356  DF  .~.~ Pump within armature
357  DF  .~ Pump fluid communicates with sealed chamber containing armature
358  DF  .~ Pump - motor unit raised in vertical conduit by pressure fluid applied below unit
359  DF  .~ Adjustable motor and pump rotor unit or relatively adjustable aligned pump and motor rotary shafts
360  DF  .~ Including means for facilitating assembly or disassembly of pump to or from motor or fixed support
361  DF  .~ Pump and motor unitarily adjustable relative to fixed support
362  DF  .~ Pump and motor interconnected by endless flexible transmission element
363  DF  .~ Resiliently mounted pump or motor
364  DF  .~ Internal-combustion engine
365  DF  .~ Axial thrust balancing means for rotary pump and motor
366  DF  .~ Including means utilizing pump fluid for augmenting cooling, lubricating, sealing, or cleaning of motor
367  DF  .~.~ Heat exchange means between pump fluid and secondary motor contacting fluid
368  DF  .~.~ Including additional means for motivating fluid flow to or from motor (e.g., auxiliary pump, pump fluid induced flow path, etc.)
369  DF  .~.~ Pump fluid directed to motor via downstream branched flow path
370  DF  .~.~.~ Recirculated through pump
371  DF  .~.~ Pump fluid flows serially from motor through pump
372  DF  .~ Interrelated or common lubricating or cooling means for pump and motor
373  DF  .~ With means to prevent heat transfer between pump and motor
374  DF  .~ Including manual, mechanical, or diverse drive
375  DF  .~ Fluid motor
376  DF  .~.~ Steam motor discharge into pump fluid
377  DF  .~.~ Serial flow fluid from pumping chamber through motor working chamber
378  DF  .~.~.~ Pulsator type
379  DF  .~.~ With motive fluid generator
380  DF  .~.~.~ Internal-combustion engine
381  DF  .~.~.~ Combustion products generator for motor
382  DF  .~.~.~ Plural pumping members; one additionally supplying motive fluid for second
383  DF  .~.~.~ Pulsator or fluid link
384  DF  .~.~.~.~ Pneumatic
385  DF  .~.~.~.~ With means to supply or vent pulsator fluid
386  DF  .~.~.~.~.~ Working member position responsive
387  DF  .~.~.~.~.~ Pulse piston position responsive
388  DF  .~.~.~.~.~ Pressure responsive
389  DF  .~.~.~.~ Plural collapsible walls
390  DF  .~.~.~ Fluid pump
391  DF  .~.~ Motor discharge into or upstream of pumping chamber
392  DF  .~.~ Common pumping and motor working member
393  DF  .~.~.~ With additional unitary common pumping and motor working member
394  DF  .~.~.~ Collapsible common member
395  DF  .~.~.~.~ Diaphragm
396  DF  .~.~ Rectilinearly reciprocating motor working members coaxial with intermediate unitary pumping member
397  DF  .~.~ Rectilinearly reciprocating pumping members coaxial with intermediate unitary motor working member
398  DF  .~.~ Rectilinearly reciprocating cylinder and piston-type motor
399  DF  .~.~.~ Rectilinearly reciprocating cylinder and piston-type pump
400  DF  .~.~.~.~ Interconnected moving cylinder and piston
401  DF  .~.~.~.~ Integral pump and motor pistons
402  DF  .~.~.~.~.~ Constantly applied force in education stroke direction
403  DF  .~.~.~.~.~ Double acting motor piston
404  DF  .~.~.~.~.~.~ Double acting pump piston
405  DF  .~.~ Rotary motor
406  DF  .~.~.~ Unitary pump and motor rotors
407  DF  .~.~.~.~ Overhung from central support
408  DF  .~.~.~.~ Axial flow motor and pump
409  DF  .~.~.~.~ Axial flow motor and centrifugal pump
410.1  DF  .~ Electric or magnetic motor
411  DF  .~.~ Including electric power generating or storage means
412  DF  .~.~ Collapsible wall pump
413.1  DF  .~.~.~ Diaphragm type
413.2  DF  .~.~.~.~ Piezoelectric driven
413.3  DF  .~.~.~.~ Of semiconductor material (e.g., silicon, germanium, etc.)
414  DF  .~.~ Internal - external pressure balancer
415  DF  .~.~ Reciprocating rigid pumping member
416  DF  .~.~.~ Reciprocating motor
417  DF  .~.~.~.~ Unitary pump and motor working member
418  DF  .~.~.~.~.~ Opposed pumping member faces (e.g., double acting)
419  DF  .~.~.~ Relatively movable pumping members
420  DF  .~.~ Pump magnetically coupled to rotary drive
421  DF  .~.~ Trapped air motor seal (i.e., diving bell type)
422  DF  .~.~ Sealed service conduit
423.1  DF  .~.~ Rotary motor and rotary nonexpansible chamber pump
423.2  DF  .~.~.~ Vacuum cleaner
423.3  DF  .~.~.~ Submersible type
423.4  DF  .~.~.~ Turbomolecular pump
423.5  DF  .~.~.~ Plural units
423.6  DF  .~.~.~ Having nonflexible means to transmit power between motor shaft and pump shaft
423.7  DF  .~.~.~ With specific motor details
423.8  DF  .~.~.~ Having additional means to remove heat from pump or motor
423.9  DF  .~.~.~ Having means to prevent debris from entering pump
423.15  DF  .~.~.~ Having means to mount pump and motor in working position
423.11  DF  .~.~.~ Having means to prevent fluid leaking between pump and motor
423.12  DF  .~.~.~ Having bearing
423.13  DF  .~.~.~.~ With lubricator
423.14  DF  .~.~.~ With specific housing details
424.1  DF  .~.~.~ Supported for rotation on vertical axis
424.2  DF  .~.~.~.~ Motor mounted below pump
410.2  DF  .~.~ Having piezoelectric driven blade
410.3  DF  .~.~ Rotary expansible chamber pump
410.4  DF  .~.~.~ Interengaging rotary pumping members
410.5  DF  .~.~.~ Helical pumping member having planetary movement (e.g., scroll)
425  DF  SEPARATE MANUAL AND POWER DRIVEN PUMPING MEMBERS
426  DF  PLURAL PUMPS WITH INDIVIDUAL OR RELATIVE CONTROL
427  DF  .~ Distributor adjustment
428  DF  .~ Bypass control
429  DF  .~ Adjustment with respect to common drive
430  DF  INCLUDING MEANS TO (1) AGITATE PUMP FLUID, OR (2) PREVENT FOREIGN MATERIAL SETTLING FROM PUMP FLUID
431  DF  .~ By application of separate fluid
432  DF  INCLUDING APPLICATION OF SEPARATE FLUID TO PUMP VALVE
433  DF  .~ Liquid pool seal for gas pump valve
434  DF  INCLUDING SEPARATE PORT ON NONCYCLIC VALVE FOR DRAINING PUMP PORTION
435  DF  INCLUDING SEPARATE PORT ON NONCYCLIC VALVE FOR VENTING OR FILLING PUMP PORTION
436  DF  TRANSVERSELY MOVABLE IMPELLING MEMBER (E.G., PADDLE)
437  DF  EXPANSIBLE CHAMBER TYPE
438  DF  .~ Liquid coolant introduced into gas pump chamber or inlet
439  DF  .~ Having additional chamber intake connection from nonpumping space
440  DF  .~ Having separate noncyclic valve (e.g., bypass, etc.)
441  DF  .~.~ For serial control of pump fluid (e.g., throttle valve)
442  DF  .~ Selectively usable plural inlet or outlet distributors for single chamber
443  DF  .~ Pressure responsive distributor opened responsive to pumping member position
444  DF  .~.~ Distributor in piston
445  DF  .~.~.~ Including means to open distributor in fixed chamber wall
446  DF  .~ Having means for holding pressure responsive distributor open
447  DF  .~ Pressure responsive distributor continuously biased open
448  DF  .~ Pump mounted in vertical tubular flow conduit removable as unit by driving rod manipulation
449  DF  .~.~ Removable unit having piston normally fixed in conduit
450  DF  .~.~ With latching or anchoring means released by rod movement
451  DF  .~ Valve element mounted in fixed chamber wall removable with pumping member
452  DF  .~.~ By separable engageable connecting elements
453  DF  .~.~.~ Threaded connecting elements
454  DF  .~ Including valve assembly, disassembly, or inspection facilitating means
455  DF  .~ Having valve parts relatively moved for nonvalving function
456  DF  .~ Relatively movable serial distributors
457  DF  .~.~ Including distributor formed by moving cylinder or liner
458  DF  .~.~ Plural pressure responsive distributors
459  DF  .~.~.~ Located within piston (e.g., valved piston)
460  DF  .~ Moving cylinder
461  DF  .~.~ Cylinder rotates or oscillates about longitudinal axis
462  DF  .~.~ Unidirectionally rotating cylinder
463  DF  .~.~.~ Having second cylinder unitary with piston of first
464  DF  .~.~ Cylinder oscillates about axis transverse to longitudinal axis
465  DF  .~.~.~ Inlet or discharge controlled by cooperating ports in cylinder or piston and fixed member
466  DF  .~.~ Inlet or discharge controlled by cooperating port in reciprocating cylinder and fixed member
467  DF  .~.~ Relatively movable cylinders
468  DF  .~.~ Having integral pump piston or external pumping face
469  DF  .~.~ Cylinder and piston reciprocate on common axis
470  DF  .~ Biasing means effects induction stroke of abutment driven, vacuum producing pumping member
471  DF  .~ Biasing means effects eduction stroke of abutment driven, pressure producing pumping member
472  DF  .~ Bellows-type chamber
473  DF  .~.~ Plural bellows
474  DF  .~ Elongated flexible chamber wall progressively deformed
475  DF  .~.~ Plural chambers
476  DF  .~.~ Deformation by rolling or sliding engagement member
477.1  DF  .~.~.~ Plural spaced engagement members or member portions
477.2  DF  .~.~.~.~ Cassette
477.3  DF  .~.~.~.~ Specific rollers or slides structure
477.4  DF  .~.~.~.~.~ Helical slide
477.5  DF  .~.~.~.~.~ Roller axes or slide contact surfaces at significant angle with drive axis
477.7  DF  .~.~.~.~.~ Biased rollers or slides
477.8  DF  .~.~.~.~.~ Adjustable rollers or slides
477.6  DF  .~.~.~.~.~ Positively driven rollers
477.9  DF  .~.~.~.~ Specific backing member for flexible wall
477.11  DF  .~.~.~.~.~ Adjustable backing
477.12  DF  .~.~.~.~ Specific flexible wall or interposed flexible member
477.13  DF  .~.~.~.~ Flexible tube without backing member
477.14  DF  .~.~.~.~ Endless chain or belt
478  DF  .~ Inlet and discharge distributors at opposite ends of tubular flexible wall pumping chamber
479  DF  .~ Distributor formed from integral portion of flexible wall pumping member
480  DF  .~ Valve in collapsible wall pumping member
481  DF  .~ Oscillating pumping member
482  DF  .~.~ Inlet distributor in abutment wall for pumping member
483  DF  .~.~.~ Having discharge distributor in pumping member
484  DF  .~.~ Distributor in pumping member
485  DF  .~ Delivery to different ports on successive strokes
486  DF  .~ Plural pumping members in single pump chamber
487  DF  .~.~ Coaxial reciprocating pumping members
488  DF  .~.~.~ Form opposite chamber walls
489  DF  .~ Control by withdrawal or tilting of pump piston relative to cylinder
490  DF  .~ Pumping member position controlled port
491  DF  .~.~ Common pumping member controls inlet or discharge for plural chambers
492  DF  .~.~.~ Control by movement of pumping member about axis
493  DF  .~.~ Including plural controlled inlet or outlet flow paths
494  DF  .~.~.~ Having means to selectively effect control at different positions of pumping member stroke
495  DF  .~.~.~ Pumping member comprises valved piston
496  DF  .~.~ Having serial control of inlet or discharge flow path
497  DF  .~.~ Pumping member controlled end wall port
498  DF  .~.~ Longitudinally spaced inlet and discharge sidewall ports
499  DF  .~.~ Having means to effect control at different positions of pumping member stroke
500  DF  .~.~ Control by movement of pumping member about axis
501  DF  .~.~ Having coextensive distributor opposite pumping member end face
502  DF  .~ Multiple cyclic outlet paths
503  DF  .~ Multiple cyclic inlet paths
504  DF  .~ Plural outlet paths to single discharge line acting under different conditions
505  DF  .~ Electrically or magnetically actuated distributor
506  DF  .~ Distributor movement adjustable
507  DF  .~ Distributor moved by separate fluid responsive surface
508  DF  .~.~ Including mechanical actuation
509  DF  .~ Distributor part forms traversed movable pump chamber wall portion
510  DF  .~ Mechanically actuated distributor
511  DF  .~.~ 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  DF  .~.~.~ Unitary distributor element controls inlet or discharge for plural chambers
513  DF  .~.~.~ Conical engagement
514  DF  .~.~ Distributor in piston
515  DF  .~.~ Plural pumping chambers
516  DF  .~.~.~ Common element forms inlet or discharge distributor for plural chambers
517  DF  .~.~.~.~ Element forms both inlet and discharge distributor
518  DF  .~.~ Common element forms inlet and discharge distributor
519  DF  .~.~.~ Element moves about axis
520  DF  .~.~ Distributor abutted by or frictionally engaged with pumping member
521  DF  .~ Plural pumping chambers
522  DF  .~.~ Discharge conduit for first chamber communicates with nonpumping portion or second pumping member
523  DF  .~.~ Including valved piston
524  DF  .~.~.~ Unitary or interconnected elements form inlet or discharge distributors for plural chambers
525  DF  .~.~.~ Common piston includes valves for plural axially aligned chambers
526  DF  .~.~.~.~ Common inlet or discharge conduit mounted on piston
527  DF  .~.~.~.~ Fluid conduit for one chamber extends through portion of another
528  DF  .~.~.~ Fluid conduit for one chamber extends through portion of another
529  DF  .~.~.~ Parallel laterally spaced relatively movable pistons
530  DF  .~.~.~ Including nonvalved piston
531  DF  .~.~ Unitary or interconnected elements form inlet or discharge distributors for plural chambers
532  DF  .~.~.~ Unitary element movable about an axis
533  DF  .~.~ Common discharge conduit interposed between spaced parallel chambers
534  DF  .~.~ Chambers formed at opposite ends of rectilinearly moving pumping member
535  DF  .~.~.~ All discharge distributors positioned laterally of pumping member path
536  DF  .~.~.~.~ Inlet and discharge distributors positioned laterally of pumping member path
537  DF  .~.~.~.~.~ All distributors positioned on same side of pumping chamber
538  DF  .~.~ Inlet and discharge distributors at adjacent end of aligned chambers
539  DF  .~.~ Parallel laterally spaced relatively movable pumping members
540  DF  .~ Having pulsation dampening fluid receiving space
541  DF  .~.~ Space formed on pumping member
542  DF  .~.~ Inlet and discharge spaces
543  DF  .~.~ Direct contact with confined compressible fluid
544  DF  .~.~.~ Manually operated pump
545  DF  .~ Valved piston
546  DF  .~.~ Piston contains inlet and outlet valves
547  DF  .~.~ Fluid conduit fixed to piston
548  DF  .~.~ Having rigidly attached imperforate wall member
549  DF  .~.~ Having separate means biasing valve closed
550  DF  .~.~ Flexible
551  DF  .~.~ Hinged
552  DF  .~.~ Reciprocating
553  DF  .~.~.~ Annular
554  DF  .~.~.~ Ball type
555.1  DF  .~ Fluid serially moved to opposite side of pumping member
555.2  DF  .~.~ Well swabs
556  DF  .~.~ Control by movable rigid piston side wall
557  DF  .~ Pump chamber in constant communication with inlet or discharge conduit
558  DF  .~ First distributor includes passage controlled by second distributor (i.e., inlet and outlet)
559  DF  .~ Having pumping chamber pressure responsive distributor
560  DF  .~.~ Single unitary element forms inlet and discharge distributor
561  DF  .~.~ Pumping member position responsive stop for distributor
562  DF  .~.~ Having means on pumping member for accommodating distributor portion
563  DF  .~.~ Similar inlet and discharge distributors of different size or material
564  DF  .~.~.~ Annular-type distributors
565  DF  .~.~ Hinged inlet and discharge distributors in aligned conduits
566  DF  .~.~ Nonmetallic inlet or discharge distributor
567  DF  .~.~ Inlet and discharge distributors in coaxial ports
568  DF  .~.~.~ Transverse to axis of pumping member
569  DF  .~.~ Distributor positioned opposite pumping member end face
570  DF  .~.~.~ Distributor coextensive with pumping member end face
571  DF  .~.~.~ Inlet and discharge distributors
572  DF  MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTIONS
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900  DF  SLURRY PUMPS (E.G., CONCRETE)
901  DF  CRYOGENIC PUMPS
902  DF  HERMETICALLY SEALED MOTOR PUMP UNIT
903  DF  TREADLE OPERATED
904  DF  WELL PUMP DRIVEN BY FLUID MOTOR MOUNTED ABOVE GROUND
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DIGEST
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DIG 1  DD  Materials digest