US Patent Class 417
PUMPS
 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
| DF | CLASS NOTES | |
| 1 | DF | 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 |
| ****************************** | ||
| CROSS-REFERENCE ART COLLECTIONS | ||
| ****************************** | ||
| 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 |
| ****************************** | ||
| DIGEST | ||
| ****************************** | ||
| DIG 1 | DD | Materials digest |