Class   417	PUMPS
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CONDITION RESPONSIVE CONTROL OF PUMP DRIVE MOTOR

2

. (1 indent ) Plural pumps having separate drive motors, supply sources, or delivery destinations

3

.. (2 indent ) Pumps in parallel flow paths with common inflow or outflow

4

... (3 indent ) Having means sensing condition in common inflow or outflow line

5

.... (4 indent ) With control of plural pump drive motors

6

....• (5 indent ) With additional means sensing condition of one pump or path

7

....• (5 indent ) Sequential starting or stopping of pumps

8

....•. (6 indent ) Alternating sequences

9

. (1 indent ) By stopping pump in response to leakage into or from system

10

. (1 indent ) By controlling starter motor for internal combustion engine

11

. (1 indent ) By controlling free piston internal combustion engine

12

. (1 indent ) Having timer or delay means

13

. (1 indent ) Responsive to pump lubricant, sealant, or coolant condition

14

. (1 indent ) Having ambient condition responsive means

15

. (1 indent ) With control of pump drive transmission

16

. (1 indent ) With plural separate drive motors for single pump unit

17

. (1 indent ) With plural separate drive motor controlling elements

18

. (1 indent ) Single motor control element responsive to means sensing diverse conditions

19

.. (2 indent ) Sensing both inlet and outlet conditions

20

.. (2 indent ) One condition is rate of flow to or from pump

21

.. (2 indent ) One is motive fluid condition of fluid drive motor

22

.. (2 indent ) One condition is speed of pump

23

... (3 indent ) With common element sensing diverse condition to control motor and pump fluid valve

24

... (3 indent ) Speed sensor comprises auxiliary pump or electric generator

25

. (1 indent ) Relatively movable elements sensing same system pressure for single control element

26

. (1 indent ) With condition responsive control of pump fluid valve

27

.. (2 indent ) Having independent means for delaying valve actuation

28

.. (2 indent ) Fluid and motor controls have common sensing element

29

.. (2 indent ) Fluid and motor controls separately responsive to diverse conditions

30

... (3 indent ) Liquid accumulation controlled discharge valve downstream of motor controller sensing means

31

.... (4 indent ) Motor controller responsive to liquid pressure

32

. (1 indent ) Responsive to pump or pump fluid temperature

33

. (1 indent ) Pump stop control means requiring manual reset

34

. (1 indent ) By controlling internal combustion drive engine

35

. (1 indent ) By controlling wind motor in response to liquid accumulation

36

. (1 indent ) Responsive to accumulation of pumped liquid in receiver

37

.. (2 indent ) By movable liquid receptacle

38

.. (2 indent ) By liquid pressure sensor

39

.. (2 indent ) With motive fluid supply communicating with liquid receiver

40

.. (2 indent ) By float

41

... (3 indent ) Controlling motive fluid or drive motor

42

. (1 indent ) In response to pump speed

43

. (1 indent ) Responsive to change in rate of pump fluid flow

44.1

. (1 indent ) By control of electric or magnetic drive motor

45

.. (2 indent ) By changing electrical characteristic of motor or motor circuit

44.2

.. (2 indent ) Responsive to pump fluid pressure

44.4

... (3 indent ) Low pressure stops motor from turning on pump

44.5

... (3 indent ) Mercury switch

44.6

... (3 indent ) Dial-type sensor

44.7

... (3 indent ) Bellow-type sensor

44.8

... (3 indent ) Piston-type sensor

44.9

... (3 indent ) Diaphragm

44.3

... (3 indent ) Inlet pressure

44.11

.. (2 indent ) Responsive to change in electrical operating characteristic

46

. (1 indent ) By controlling drive motor motive fluid

47

.. (2 indent ) Rotary nonexpansible chamber-type motor

48

ELECTRICAL OR GETTER TYPE

49

. (1 indent ) Ionic with gettering

50

. (1 indent ) Electromagnetic

51

. (1 indent ) Getter heating, vaporizing, or regeneration

52

EXPANSION AND CONTRACTION OF PUMP FLUID

53

PROCESSES

54

. (1 indent ) Of pumping one fluid by contact or entrainment with another

55

.. (2 indent ) Specific motive fluid

56

DRILLED WELL FREE PISTON-TYPE PUMP

57

. (1 indent ) Having condition or position responsive control of pump discharge flow path

58

. (1 indent ) Having condition or position responsive control of motive fluid supply

59

. (1 indent ) Radially expansible piston portion controls pump and motor chamber intercommunication

60

. (1 indent ) 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

. (1 indent ) Contact or entrainment within rotary impeller

67

.. (2 indent ) Passage in impeller shaft for pumped or motive fluid

68

.. (2 indent ) Liquid ring

69

... (3 indent ) With diverse pump

70

.. (2 indent ) Peripheral motive fluid inlet

71

.. (2 indent ) Axial inlet for pumped fluid

72

... (3 indent ) Peripheral pumped fluid outlet

73

. (1 indent ) By ignition of motive fluid

74

.. (2 indent ) With pumped fluid condition responsive ignition means

75

.. (2 indent ) With fluid momentum utilizing means

76

. (1 indent ) Jet pump with motive fluid generating pump

77

.. (2 indent ) Recirculation of separated motive fluid

78

.. (2 indent ) Entrainment at exit of impeller

79

.. (2 indent ) Jet delivers back to generating pump

80

... (3 indent ) Rotary nonexpansible chamber-type generating pump

81

.... (4 indent ) Multiple-stage rotary pump

82

.... (4 indent ) Changeable jet location (e.g., deep or shallow well)

83

.... (4 indent ) Jet within rotary pump casing

84

.. (2 indent ) Rotary nonexpansible chamber-type generating pump

85

. (1 indent ) Diverse pumps

86

.. (2 indent ) Including pneumatic displacement

87

.. (2 indent ) Including jet pump

88

... (3 indent ) Diverse pump motor exhaust is jet motive fluid

89

... (3 indent ) With rotary nonexpansible chamber type

90

.. (2 indent ) Including aerated column

91

... (3 indent ) Diverse pump motor exhaust is aeration fluid

92

. (1 indent ) Liquid piston

93

.. (2 indent ) Moving contracting chamber

94

... (3 indent ) Helical chamber

95

... (3 indent ) Movement of chamber cyclically controls flow of liquid into chamber for cyclic operation

96

... (3 indent ) Liquid supporting chambers move liquid to pump fluid

97

... (3 indent ) Relatively movable chambers

98

... (3 indent ) Reciprocating

99

.. (2 indent ) Mercury piston

100

.. (2 indent ) Tide or wave

101

.. (2 indent ) Piston level responsive control for cyclic operation

102

... (3 indent ) Plural chambers

103

.. (2 indent ) Plural chambers

104

.. (2 indent ) Momentum piston

105

. (1 indent ) By condensation of motive fluid

106

.. (2 indent ) Plural alternating pumps

107

.. (2 indent ) With condition responsive control means

108

. (1 indent ) Aerated column

109

.. (2 indent ) Valved gas inlet

110

... (3 indent ) With pumped fluid velocity or flow responsive valve operating means

111

... (3 indent ) Plural serially actuated valves

112

... (3 indent ) With flexible pressure responsive sensing element (i.e., bellows, diaphragm, etc.)

113

.... (4 indent ) Sensing element controls pilot valve

114

... (3 indent ) With pilot valve

115

... (3 indent ) Valve member actuated responsive to absolute gaseous motive fluid pressure or flow rate

116

... (3 indent ) Controlled by means responsive to liquid level accumulation in column

117

... (3 indent ) Valve biased open by static pressure of pumped fluid

118

. (1 indent ) Liquid pumped by supplying or exhausting gaseous motive fluid to or from pumping chamber

119

.. (2 indent ) Motive fluid pumped by contact with a liquid

120

.. (2 indent ) With condition responsive control of motive fluid vacuum or pressure generating means

121

.. (2 indent ) Serially connected pumping chambers

122

.. (2 indent ) Alternate pumping from plural pumping chambers

123

... (3 indent ) Motive fluid in one chamber controlled by condition in second chamber

124

.... (4 indent ) Responsive to weight of pumped fluid

125

.... (4 indent ) Responsive to liquid level of pumped fluid

126

.. (2 indent ) With float actuated control means

127

... (3 indent ) Plural floats in single pumping chamber

128

... (3 indent ) With intermediate pilot valve

129

... (3 indent ) With intermediate electrical actuating means

130

... (3 indent ) Control of motive fluid inlet (e.g., atmosphere, etc.)

131

.... (4 indent ) With control of motive fluid outlet

132

....• (5 indent ) With control of pumped fluid outlet

133

....• (5 indent ) With overcenter valve actuator means

134

... (3 indent ) Control of motive fluid outlet

135

.... (4 indent ) With control of pumped fluid outlet

136

.... (4 indent ) With control of pumped fluid inlet

137

.. (2 indent ) Cyclic pumping

138

... (3 indent ) Control by liquid level sensing means

139

... (3 indent ) Control by condition of pumped fluid

140

.... (4 indent ) Movable pumping chamber

141

.... (4 indent ) Responsive to flow of pumped fluid

142

.... (4 indent ) Responsive to pumped fluid pressure

143

... (3 indent ) Motive fluid supply or exhaust valve responsive to motive fluid pressure

144

... (3 indent ) Correlated motive fluid valve and pressure or vacuum generating means

145

... (3 indent ) Correlated supply - exhaust of motive fluid or vacuum generating means

146

.... (4 indent ) With pilot valve

147

.... (4 indent ) Unitary supply - exhaust valve

148

.. (2 indent ) With vacuum generator

149

... (3 indent ) With pressure generator

150

. (1 indent ) Gravity flow motive fluid

151

. (1 indent ) Jet

152

.. (2 indent ) Vapor condensation vacuum diffusion type

153

... (3 indent ) With cooling or heat insulation means

154

... (3 indent ) Vertical stack from generator with reverse flow nozzle

155

.. (2 indent ) Flue type

156

... (3 indent ) With spark arrester

157

... (3 indent ) Regulation

158

.. (2 indent ) With motive fluid generator

159

... (3 indent ) Internal-combustion engine motive fluid source

160

.. (2 indent ) Cleaning by separate fluid or diverted motive fluid

161

.. (2 indent ) Radial disc-type motive fluid jet

162

.. (2 indent ) Interrelated overflow and motive fluid valves

163

.. (2 indent ) Successive introduction of motive fluid

164

... (3 indent ) With interstage cooling

165

... (3 indent ) Individually controlled motive fluid flows

166

.... (4 indent ) Sequential

167

... (3 indent ) Central and peripheral motive fluid supply

168

... (3 indent ) One motive fluid flow surrounds nozzle tube of another

169

... (3 indent ) Laterally spaced parallel motive fluid flows

170

... (3 indent ) In-line motive fluid flows

171

.. (2 indent ) Tangential motive fluid supply (i.e., vortex type)

172

.. (2 indent ) Concentric reverse flow motive fluid and discharge conduits

173

.. (2 indent ) With cooling

174

.. (2 indent ) Successive entrainment of pumped fluid

175

.. (2 indent ) With priming or overflow removal jet

176

.. (2 indent ) Parallel entrainments with separate combining tubes

177

.. (2 indent ) Annular motive fluid stream entrains pumped fluid outside and inside

178

.. (2 indent ) Selectively usable flow confining members (e.g., nozzles, combining tubes, etc.)

179

.. (2 indent ) Plural motive fluid jets or sources for single entrainment

180

... (3 indent ) Individual or relative control

181

.. (2 indent ) Faucet or flexible hose attached

182

.. (2 indent ) Regulation

182.5

... (3 indent ) Liquid level responsive

183

... (3 indent ) By position of nozzle relative to combining tube

184

.... (4 indent ) Pressure controlled

185

... (3 indent ) With main line downstream control

186

... (3 indent ) By bypassing motive fluid from nozzle

187

... (3 indent ) By controlling motive fluid

188

.... (4 indent ) Interrelated with pumped fluid control

189

.... (4 indent ) Pressure controlled

190

... (3 indent ) Pumped fluid inlet valve

191

.... (4 indent ) Pressure controlled

192

... (3 indent ) Pressure controlled overflow

193

.... (4 indent ) By movable conduit or conduit wall (e.g., combining tube)

194

.. (2 indent ) With means to whirl pumped fluid

195

.. (2 indent ) Specific material

196

.. (2 indent ) Expressed mathematically or dimensionally

197

.. (2 indent ) Peripheral motive fluid supply

198

.. (2 indent ) Specific motive fluid nozzle

199.1

DIVERSE PUMPS

199.2

. (1 indent ) Priming and venting

200

. (1 indent ) Priming with liquid level responsive control

201

. (1 indent ) Including rotary nonexpansible chamber type

202

.. (2 indent ) Diverse pump controlled by rotary pump condition

203

.. (2 indent ) Preceding diverse pump

204

. (1 indent ) Moving partition or cylinder of rotary pump forms or actuates reciprocating pump

205

. (1 indent ) Series

206

.. (2 indent ) Rotary expansible chamber type precedes reciprocating

207

BY HEATING OF PUMPED FLUID

208

. (1 indent ) Vapor generator type

209

.. (2 indent ) 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

. (1 indent ) Having condition responsive pumped fluid control

214

. (1 indent ) Having means to hold or resist movement of pumping element

215

. (1 indent ) By changing phasing of plural pistons in single chamber

216

. (1 indent ) Plural pumps with individual or relative control

217

. (1 indent ) Reversible flow pump

218

. (1 indent ) Adjustable cam or linkage

219

.. (2 indent ) Radially adjustable stator

220

... (3 indent ) Rotary expansible chamber pump

221

.. (2 indent ) Radial cam or eccentric

222.1

.. (2 indent ) Axial cam

222.2

... (3 indent ) With sump pressure actuation

223

. (1 indent ) Disconnectable drive element (e.g., clutch, belt, shifter, etc.)

225

INTENSIFIER

226

. (1 indent ) Ram type

227

.. (2 indent ) Multiple drive pipe

228

WITH CONDITION RESPONSIVE CONTROL OF COOLANT OR LUBRICANT

229

OPERATED BY ART DEVICE

230

. (1 indent ) Chair

231

. (1 indent ) Vehicle mounted or attached

232

.. (2 indent ) Scoop type

233

.. (2 indent ) Wheel or axle

234

AMBULANT, BODY SUPPORTED, OR WITH CARRYING HANDLE

235

. (1 indent ) Pump driven by traverse movement

236

CONVERTIBLE TO APPARATUS OF A DIFFERENT CLASS

237

. (1 indent ) Motor and pump

238

CHANGEABLE BY ASSEMBLY OR DISASSEMBLY

239

. (1 indent ) For reverse drive or flow

240

INERTIA LIQUID PISTON (E.G., MOMENTUM, ETC.)

241

. (1 indent ) Movable confining means

242

POSITION RESPONSIVE BYPASS BETWEEN PLURAL PUMP CHAMBERS

243

WITH INTERCOOLER

244

SUCCESSIVE STAGES

245

. (1 indent ) Fluid motor for one stage supplied from another stage

246

. (1 indent ) Stages driven by relatively movable motor working members

247

.. (2 indent ) Rotary

248

. (1 indent ) Parallel stages to or from single stage

249

. (1 indent ) Prior stage delivers to atmospheric chamber

250

. (1 indent ) With interstage intake or additional inlet to latter stage

251

. (1 indent ) With interstage discharge or additional discharge from former stage

252

.. (2 indent ) Pressure responsive interstage discharge

253

. (1 indent ) Condition responsive control of fluid

254

. (1 indent ) Reciprocating rigid stages

255

.. (2 indent ) Crankcase forms stage or interstage flow path

256

.. (2 indent ) Stages comprise oppositely moving valved pumping members

257

... (3 indent ) Aligned

258

.. (2 indent ) Reciprocating cylinder and piston

259

.. (2 indent ) Including valved piston

260

... (3 indent ) Piston forms or carries inlet and outlet valve for one stage

261

... (3 indent ) Serial interstage distributors in piston

262

... (3 indent ) Valve in piston is first stage inlet valve

263

... (3 indent ) With additional pumping member in parallel flow path

264

... (3 indent ) Fluid motor driven

265

.. (2 indent ) Relatively movable

266

.. (2 indent ) Three or more

267

.. (2 indent ) Series double acting

268

.. (2 indent ) Unidirectionally acting rigidly connected pumping members

269

THREE OR MORE CYLINDERS ARRANGED IN PARALLEL, RADIAL, OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS

270

. (1 indent ) Condition responsive fluid control

271

. (1 indent ) Motor driven

272

. (1 indent ) Continuous unidirectional fluid bias on reciprocating member

273

. (1 indent ) Radial cylinders

274

CONDITION RESPONSIVE VARIABLE VOLUMETRIC CAPACITY EXPANSIBLE CHAMBER PUMP (I.E., CLEARANCE CONTROL)

275

. (1 indent ) Valved clearance chamber

276

.. (2 indent ) Connectable clearance chambers of opposed pump chambers

277

.. (2 indent ) Plural chambers connected to single pump chamber

278

EXTERNAL CONDITION RESPONSIVE PUMPED FLUID CONTROL

279

WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL

280

. (1 indent ) Responsive to pump created drive motor condition

281

. (1 indent ) Lubricant condition responsive

282

. (1 indent ) Plural separate sensing means for a single fluid controller

283

. (1 indent ) Bypass or relief valve controls venting by movable pump chamber part

284

. (1 indent ) Bypass or relief valve carried by movable pumping member

285

. (1 indent ) Valve passage directly connecting concurrently contracting and expanding nonrotary pump chambers

286

. (1 indent ) Plural pump units with individual or relative control

287

.. (2 indent ) Diverse capacity pumps

288

.. (2 indent ) Sequentially operated separate relief or bypass passages

289

. (1 indent ) Variable cutoff or pumping member controlled port

290

. (1 indent ) Having timer or delay means for fluid controller

291

. (1 indent ) Reversibly driven pump having bypass active in either flow direction

292

. (1 indent ) Pumped fluid temperature responsive

293

. (1 indent ) Driven pump part speed responsive

294

.. (2 indent ) Centrifugally actuated

295

. (1 indent ) Inlet throttle or stop valve

296

. (1 indent ) Bypass or relief valve part carried by or carries distributor part

297

. (1 indent ) Expansible chamber pump distributor operation modified

297.5

.. (2 indent ) Liquid level responsive

298

.. (2 indent ) Inlet valve

299

. (1 indent ) Normally open bypass or relief passage closed by increased pressure or flow

300

. (1 indent ) Fluid flow rate responsive

301

. (1 indent ) Inlet pressure increase opens bypass from pump inlet to discharge

302

. (1 indent ) Plural paths having individual condition responsive control means

303

.. (2 indent ) Sequentially opened main line and bypass or relief paths

304

.. (2 indent ) Plural bypass or relief paths

305

. (1 indent ) Manual actuation of condition responsive valve

306

. (1 indent ) Pump inlet or pump chamber vented to ambient (e.g., vacuum breaker)

307

. (1 indent ) Pressure responsive relief or bypass valve

308

.. (2 indent ) Having additional relief or bypass valve

309

.. (2 indent ) Responsive to pump inlet condition

310

.. (2 indent ) Rotary expansible chamber pump

311

.. (2 indent ) 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

. (1 indent ) Pump distributor control

318

.. (2 indent ) 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

. (1 indent ) Magnetostrictive chamber

323

. (1 indent ) Pump motor or starter driven by pump fluid

324

. (1 indent ) Pump operated as motor to start prime mover drive

325

. (1 indent ) Reversely rotated for starting

326

. (1 indent ) Including means for selectively varying motor speed or rotary motor direction

327

. (1 indent ) Reaction motor

328

. (1 indent ) Spring or weight motor

329

.. (2 indent ) Fluid weight (e.g., gravity vessel)

330

. (1 indent ) Tide or wave motor

331

.. (2 indent ) Float

332

... (3 indent ) Pivoted

333

... (3 indent ) Guided

334

. (1 indent ) Fluid current motor

335

.. (2 indent ) Including alternate drive

336

.. (2 indent ) Rotary parallel axis type

337

. (1 indent ) Buoyant motor

338

. (1 indent ) Relatively movable pumping members driven by relatively movable working members

339

.. (2 indent ) Nonrotary pumping and fluid motor working members

340

... (3 indent ) Common expansible chamber for oppositely movable working members

341

.... (4 indent ) Mechanically interconnected

342

... (3 indent ) Including closed fluid interconnection between working members

343

... (3 indent ) Including mechanical interconnection to cause relative motion

344

... (3 indent ) Position of one working member controls motive fluid valve for another

345

.... (4 indent ) Control by single member responsive to position of each of plural working members

346

.... (4 indent ) Independently operated valve for each working member

347

... (3 indent ) Single member controls motive fluid for each working member

348

. (1 indent ) Common rotary pumping and fluid motor working member

349

. (1 indent ) Common pump and motor chamber

350

. (1 indent ) Motor rotor intermediate coaxial pump rotors

351

. (1 indent ) Pump rotor intermediate coaxial motor rotors

352

. (1 indent ) Motor within rotary pumping member

353

.. (2 indent ) Armature within pumping member

354

... (3 indent ) Stator within armature

355

. (1 indent ) Pump within rotary working member

356

.. (2 indent ) Pump within armature

357

. (1 indent ) Pump fluid communicates with sealed chamber containing armature

358

. (1 indent ) Pump - motor unit raised in vertical conduit by pressure fluid applied below unit

359

. (1 indent ) Adjustable motor and pump rotor unit or relatively adjustable aligned pump and motor rotary shafts

360

. (1 indent ) Including means for facilitating assembly or disassembly of pump to or from motor or fixed support

361

. (1 indent ) Pump and motor unitarily adjustable relative to fixed support

362

. (1 indent ) Pump and motor interconnected by endless flexible transmission element

363

. (1 indent ) Resiliently mounted pump or motor

364

. (1 indent ) Internal-combustion engine

365

. (1 indent ) Axial thrust balancing means for rotary pump and motor

366

. (1 indent ) Including means utilizing pump fluid for augmenting cooling, lubricating, sealing, or cleaning of motor

367

.. (2 indent ) Heat exchange means between pump fluid and secondary motor contacting fluid

368

.. (2 indent ) Including additional means for motivating fluid flow to or from motor (e.g., auxiliary pump, pump fluid induced flow path, etc.)

369

.. (2 indent ) Pump fluid directed to motor via downstream branched flow path

370

... (3 indent ) Recirculated through pump

371

.. (2 indent ) Pump fluid flows serially from motor through pump

372

. (1 indent ) Interrelated or common lubricating or cooling means for pump and motor

373

. (1 indent ) With means to prevent heat transfer between pump and motor

374

. (1 indent ) Including manual, mechanical, or diverse drive

375

. (1 indent ) Fluid motor

376

.. (2 indent ) Steam motor discharge into pump fluid

377

.. (2 indent ) Serial flow fluid from pumping chamber through motor working chamber

378

... (3 indent ) Pulsator type

379

.. (2 indent ) With motive fluid generator

380

... (3 indent ) Internal-combustion engine

381

... (3 indent ) Combustion products generator for motor

382

... (3 indent ) Plural pumping members; one additionally supplying motive fluid for second

383

... (3 indent ) Pulsator or fluid link

384

.... (4 indent ) Pneumatic

385

.... (4 indent ) With means to supply or vent pulsator fluid

386

....• (5 indent ) Working member position responsive

387

....• (5 indent ) Pulse piston position responsive

388

....• (5 indent ) Pressure responsive

389

.... (4 indent ) Plural collapsible walls

390

... (3 indent ) Fluid pump

391

.. (2 indent ) Motor discharge into or upstream of pumping chamber

392

.. (2 indent ) Common pumping and motor working member

393

... (3 indent ) With additional unitary common pumping and motor working member

394

... (3 indent ) Collapsible common member

395

.... (4 indent ) Diaphragm

396

.. (2 indent ) Rectilinearly reciprocating motor working members coaxial with intermediate unitary pumping member

397

.. (2 indent ) Rectilinearly reciprocating pumping members coaxial with intermediate unitary motor working member

398

.. (2 indent ) Rectilinearly reciprocating cylinder and piston-type motor

399

... (3 indent ) Rectilinearly reciprocating cylinder and piston-type pump

400

.... (4 indent ) Interconnected moving cylinder and piston

401

.... (4 indent ) Integral pump and motor pistons

402

....• (5 indent ) Constantly applied force in education stroke direction

403

....• (5 indent ) Double acting motor piston

404

....•. (6 indent ) Double acting pump piston

405

.. (2 indent ) Rotary motor

406

... (3 indent ) Unitary pump and motor rotors

407

.... (4 indent ) Overhung from central support

408

.... (4 indent ) Axial flow motor and pump

409

.... (4 indent ) Axial flow motor and centrifugal pump

410.1

. (1 indent ) Electric or magnetic motor

411

.. (2 indent ) Including electric power generating or storage means

412

.. (2 indent ) Collapsible wall pump

413.1

... (3 indent ) Diaphragm type

413.2

.... (4 indent ) Piezoelectric driven

413.3

.... (4 indent ) Of semiconductor material (e.g., silicon, germanium, etc.)

414

.. (2 indent ) Internal - external pressure balancer

415

.. (2 indent ) Reciprocating rigid pumping member

416

... (3 indent ) Reciprocating motor

417

.... (4 indent ) Unitary pump and motor working member

418

....• (5 indent ) Opposed pumping member faces (e.g., double acting)

419

... (3 indent ) Relatively movable pumping members

420

.. (2 indent ) Pump magnetically coupled to rotary drive

421

.. (2 indent ) Trapped air motor seal (i.e., diving bell type)

422

.. (2 indent ) Sealed service conduit

423.1

.. (2 indent ) Rotary motor and rotary nonexpansible chamber pump

423.2

... (3 indent ) Vacuum cleaner

423.3

... (3 indent ) Submersible type

423.4

... (3 indent ) Turbomolecular pump

423.5

... (3 indent ) Plural units

423.6

... (3 indent ) Having nonflexible means to transmit power between motor shaft and pump shaft

423.7

... (3 indent ) With specific motor details

423.8

... (3 indent ) Having additional means to remove heat from pump or motor

423.9

... (3 indent ) Having means to prevent debris from entering pump

423.15

... (3 indent ) Having means to mount pump and motor in working position

423.11

... (3 indent ) Having means to prevent fluid leaking between pump and motor

423.12

... (3 indent ) Having bearing

423.13

.... (4 indent ) With lubricator

423.14

... (3 indent ) With specific housing details

424.1

... (3 indent ) Supported for rotation on vertical axis

424.2

.... (4 indent ) Motor mounted below pump

410.2

.. (2 indent ) Having piezoelectric driven blade

410.3

.. (2 indent ) Rotary expansible chamber pump

410.4

... (3 indent ) Interengaging rotary pumping members

410.5

... (3 indent ) 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

. (1 indent ) Distributor adjustment

428

. (1 indent ) Bypass control

429

. (1 indent ) Adjustment with respect to common drive

430

INCLUDING MEANS TO (1) AGITATE PUMP FLUID, OR (2) PREVENT FOREIGN MATERIAL SETTLING FROM PUMP FLUID

431

. (1 indent ) By application of separate fluid

432

INCLUDING APPLICATION OF SEPARATE FLUID TO PUMP VALVE

433

. (1 indent ) 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

. (1 indent ) Liquid coolant introduced into gas pump chamber or inlet

439

. (1 indent ) Having additional chamber intake connection from nonpumping space

440

. (1 indent ) Having separate noncyclic valve (e.g., bypass, etc.)

441

.. (2 indent ) For serial control of pump fluid (e.g., throttle valve)

442

. (1 indent ) Selectively usable plural inlet or outlet distributors for single chamber

443

. (1 indent ) Pressure responsive distributor opened responsive to pumping member position

444

.. (2 indent ) Distributor in piston

445

... (3 indent ) Including means to open distributor in fixed chamber wall

446

. (1 indent ) Having means for holding pressure responsive distributor open

447

. (1 indent ) Pressure responsive distributor continuously biased open

448

. (1 indent ) Pump mounted in vertical tubular flow conduit removable as unit by driving rod manipulation

449

.. (2 indent ) Removable unit having piston normally fixed in conduit

450

.. (2 indent ) With latching or anchoring means released by rod movement

451

. (1 indent ) Valve element mounted in fixed chamber wall removable with pumping member

452

.. (2 indent ) By separable engageable connecting elements

453

... (3 indent ) Threaded connecting elements

454

. (1 indent ) Including valve assembly, disassembly, or inspection facilitating means

455

. (1 indent ) Having valve parts relatively moved for nonvalving function

456

. (1 indent ) Relatively movable serial distributors

457

.. (2 indent ) Including distributor formed by moving cylinder or liner

458

.. (2 indent ) Plural pressure responsive distributors

459

... (3 indent ) Located within piston (e.g., valved piston)

460

. (1 indent ) Moving cylinder

461

.. (2 indent ) Cylinder rotates or oscillates about longitudinal axis

462

.. (2 indent ) Unidirectionally rotating cylinder

463

... (3 indent ) Having second cylinder unitary with piston of first

464

.. (2 indent ) Cylinder oscillates about axis transverse to longitudinal axis

465

... (3 indent ) Inlet or discharge controlled by cooperating ports in cylinder or piston and fixed member

466

.. (2 indent ) Inlet or discharge controlled by cooperating port in reciprocating cylinder and fixed member

467

.. (2 indent ) Relatively movable cylinders

468

.. (2 indent ) Having integral pump piston or external pumping face

469

.. (2 indent ) Cylinder and piston reciprocate on common axis

470

. (1 indent ) Biasing means effects induction stroke of abutment driven, vacuum producing pumping member

471

. (1 indent ) Biasing means effects eduction stroke of abutment driven, pressure producing pumping member

472

. (1 indent ) Bellows-type chamber

473

.. (2 indent ) Plural bellows

474

. (1 indent ) Elongated flexible chamber wall progressively deformed

475

.. (2 indent ) Plural chambers

476

.. (2 indent ) Deformation by rolling or sliding engagement member

477.1

... (3 indent ) Plural spaced engagement members or member portions

477.2

.... (4 indent ) Cassette

477.3

.... (4 indent ) Specific rollers or slides structure

477.4

....• (5 indent ) Helical slide

477.5

....• (5 indent ) Roller axes or slide contact surfaces at significant angle with drive axis

477.7

....• (5 indent ) Biased rollers or slides

477.8

....• (5 indent ) Adjustable rollers or slides

477.6

....• (5 indent ) Positively driven rollers

477.9

.... (4 indent ) Specific backing member for flexible wall

477.11

....• (5 indent ) Adjustable backing

477.12

.... (4 indent ) Specific flexible wall or interposed flexible member

477.13

.... (4 indent ) Flexible tube without backing member

477.14

.... (4 indent ) Endless chain or belt

478

. (1 indent ) Inlet and discharge distributors at opposite ends of tubular flexible wall pumping chamber

479

. (1 indent ) Distributor formed from integral portion of flexible wall pumping member

480

. (1 indent ) Valve in collapsible wall pumping member

481

. (1 indent ) Oscillating pumping member

482

.. (2 indent ) Inlet distributor in abutment wall for pumping member

483

... (3 indent ) Having discharge distributor in pumping member

484

.. (2 indent ) Distributor in pumping member

485

. (1 indent ) Delivery to different ports on successive strokes

486

. (1 indent ) Plural pumping members in single pump chamber

487

.. (2 indent ) Coaxial reciprocating pumping members

488

... (3 indent ) Form opposite chamber walls

489

. (1 indent ) Control by withdrawal or tilting of pump piston relative to cylinder

490

. (1 indent ) Pumping member position controlled port

491

.. (2 indent ) Common pumping member controls inlet or discharge for plural chambers

492

... (3 indent ) Control by movement of pumping member about axis

493

.. (2 indent ) Including plural controlled inlet or outlet flow paths

494

... (3 indent ) Having means to selectively effect control at different positions of pumping member stroke

495

... (3 indent ) Pumping member comprises valved piston

496

.. (2 indent ) Having serial control of inlet or discharge flow path

497

.. (2 indent ) Pumping member controlled end wall port

498

.. (2 indent ) Longitudinally spaced inlet and discharge sidewall ports

499

.. (2 indent ) Having means to effect control at different positions of pumping member stroke

500

.. (2 indent ) Control by movement of pumping member about axis

501

.. (2 indent ) Having coextensive distributor opposite pumping member end face

502

. (1 indent ) Multiple cyclic outlet paths

503

. (1 indent ) Multiple cyclic inlet paths

504

. (1 indent ) Plural outlet paths to single discharge line acting under different conditions

505

. (1 indent ) Electrically or magnetically actuated distributor

506

. (1 indent ) Distributor movement adjustable

507

. (1 indent ) Distributor moved by separate fluid responsive surface

508

.. (2 indent ) Including mechanical actuation

509

. (1 indent ) Distributor part forms traversed movable pump chamber wall portion

510

. (1 indent ) Mechanically actuated distributor

511

.. (2 indent ) 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

... (3 indent ) Unitary distributor element controls inlet or discharge for plural chambers

513

... (3 indent ) Conical engagement

514

.. (2 indent ) Distributor in piston

515

.. (2 indent ) Plural pumping chambers

516

... (3 indent ) Common element forms inlet or discharge distributor for plural chambers

517

.... (4 indent ) Element forms both inlet and discharge distributor

518

.. (2 indent ) Common element forms inlet and discharge distributor

519

... (3 indent ) Element moves about axis

520

.. (2 indent ) Distributor abutted by or frictionally engaged with pumping member

521

. (1 indent ) Plural pumping chambers

522

.. (2 indent ) Discharge conduit for first chamber communicates with nonpumping portion or second pumping member

523

.. (2 indent ) Including valved piston

524

... (3 indent ) Unitary or interconnected elements form inlet or discharge distributors for plural chambers

525

... (3 indent ) Common piston includes valves for plural axially aligned chambers

526

.... (4 indent ) Common inlet or discharge conduit mounted on piston

527

.... (4 indent ) Fluid conduit for one chamber extends through portion of another

528

... (3 indent ) Fluid conduit for one chamber extends through portion of another

529

... (3 indent ) Parallel laterally spaced relatively movable pistons

530

... (3 indent ) Including nonvalved piston

531

.. (2 indent ) Unitary or interconnected elements form inlet or discharge distributors for plural chambers

532

... (3 indent ) Unitary element movable about an axis

533

.. (2 indent ) Common discharge conduit interposed between spaced parallel chambers

534

.. (2 indent ) Chambers formed at opposite ends of rectilinearly moving pumping member

535

... (3 indent ) All discharge distributors positioned laterally of pumping member path

536

.... (4 indent ) Inlet and discharge distributors positioned laterally of pumping member path

537

....• (5 indent ) All distributors positioned on same side of pumping chamber

538

.. (2 indent ) Inlet and discharge distributors at adjacent end of aligned chambers

539

.. (2 indent ) Parallel laterally spaced relatively movable pumping members

540

. (1 indent ) Having pulsation dampening fluid receiving space

541

.. (2 indent ) Space formed on pumping member

542

.. (2 indent ) Inlet and discharge spaces

543

.. (2 indent ) Direct contact with confined compressible fluid

544

... (3 indent ) Manually operated pump

545

. (1 indent ) Valved piston

546

.. (2 indent ) Piston contains inlet and outlet valves

547

.. (2 indent ) Fluid conduit fixed to piston

548

.. (2 indent ) Having rigidly attached imperforate wall member

549

.. (2 indent ) Having separate means biasing valve closed

550

.. (2 indent ) Flexible

551

.. (2 indent ) Hinged

552

.. (2 indent ) Reciprocating

553

... (3 indent ) Annular

554

... (3 indent ) Ball type

555.1

. (1 indent ) Fluid serially moved to opposite side of pumping member

555.2

.. (2 indent ) Well swabs

556

.. (2 indent ) Control by movable rigid piston side wall

557

. (1 indent ) Pump chamber in constant communication with inlet or discharge conduit

558

. (1 indent ) First distributor includes passage controlled by second distributor (i.e., inlet and outlet)

559

. (1 indent ) Having pumping chamber pressure responsive distributor

560

.. (2 indent ) Single unitary element forms inlet and discharge distributor

561

.. (2 indent ) Pumping member position responsive stop for distributor

562

.. (2 indent ) Having means on pumping member for accommodating distributor portion

563

.. (2 indent ) Similar inlet and discharge distributors of different size or material

564

... (3 indent ) Annular-type distributors

565

.. (2 indent ) Hinged inlet and discharge distributors in aligned conduits

566

.. (2 indent ) Nonmetallic inlet or discharge distributor

567

.. (2 indent ) Inlet and discharge distributors in coaxial ports

568

... (3 indent ) Transverse to axis of pumping member

569

.. (2 indent ) Distributor positioned opposite pumping member end face

570

... (3 indent ) Distributor coextensive with pumping member end face

571

... (3 indent ) 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

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

	DIGESTS

DIG1

MATERIALS DIGEST

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