| Patents for F04C 15 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups (7,179) |
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| 04/13/1993 | US5201647 Rotary hydraulic vane device having a shaf seal |
| 04/07/1993 | EP0535295A1 Device for the treatment of highly viscous rubber or thermoplastic synthetic material |
| 04/06/1993 | US5199718 Rotary machine shaft seal |
| 04/06/1993 | US5199259 Assembly composed of a pressurized fluid mechanism and a disc brake coupled thereto |
| 03/31/1993 | EP0534836A1 Hydraulic gear type machine with floating body |
| 03/30/1993 | US5197869 Rotary gear transfer pump having pressure balancing lubrication, bearing and mounting means |
| 03/30/1993 | US5197865 Integral electronically commutated drive system |
| 03/23/1993 | US5195880 Eccentric screw pump with reversible rotor |
| 03/16/1993 | CA1314582C Electric motor |
| 03/02/1993 | US5190450 Gear pump for high viscosity materials |
| 02/03/1993 | EP0524960A1 Fuel feed-pump unit |
| 02/02/1993 | US5183395 Compressor slide valve control |
| 01/28/1993 | DE4124466A1 Gear pump or engine - has wearing plates with small grooves, facing bearing bodies, for gap-free contact |
| 01/26/1993 | US5181837 Electric motor driven inline hydraulic apparatus |
| 01/20/1993 | EP0523317A2 Rotary piston pump |
| 01/19/1993 | US5180298 Hydraulic pump with foamed elastomeric member in outlet chamber to reduce liquid-borne noise |
| 01/19/1993 | US5180297 Fluid transfer pump with shaft seal structure |
| 01/19/1993 | CA1312781C Rotary valve plate for internal gear device |
| 01/12/1993 | US5178528 Hydraulic generator-receiver for power transmission |
| 01/12/1993 | US5177966 Fluid pump arrangement with flow regulation feature |
| 01/07/1993 | WO1993000514A1 Flow regulator valve |
| 01/07/1993 | WO1993000513A1 Electric-motor-driven hydraulic pump |
| 01/07/1993 | DE4219538A1 IC engine oil pump - design allows for drive to be taken from crankshaft, gear or chain wheel |
| 01/07/1993 | DE4122433A1 Pump with shaft driven delivery mechanism - has seal at drive shaft bearing end and flow relief to reduce effect of leakage oil flow on seal |
| 01/07/1993 | DE4122114A1 Speed control for hydraulic motor - operates using pressure from two hydraulic valves acting on friction plate |
| 12/30/1992 | EP0520943A1 Positive displacement pump |
| 12/24/1992 | DE4120665A1 Elektromotorisch angetriebene hydraulikpumpe Electric motor-driven hydraulic pump |
| 12/24/1992 | DE4120360A1 Stromregelventil Flow control valve |
| 12/16/1992 | EP0518265A1 Electronic regulator for gasoline engine driven piston paint pumps |
| 12/15/1992 | US5171139 Moineau motor with conduits through the stator |
| 12/15/1992 | US5171131 Power transmission |
| 12/08/1992 | US5168626 To a vehicle coolant pump housing |
| 12/01/1992 | CA1310862C Turbine driven rotary pump |
| 11/26/1992 | WO1992020923A1 Casing for an eccentric worm-screw pump |
| 11/24/1992 | US5165868 Magnetically driven pump |
| 11/19/1992 | EP0513998A1 Power transmission |
| 11/19/1992 | DE4116192A1 Hydraulic pump for motor vehicle servo systems - has housing with passageways and is cooled by circulation of water from engine cooling system |
| 11/15/1992 | CA2066131A1 Power transmission |
| 11/11/1992 | EP0512514A2 Gear machine |
| 10/28/1992 | EP0510402A2 Orbiting rotary compressor |
| 10/21/1992 | EP0509724A1 Power transmission |
| 10/21/1992 | EP0509218A2 Gear pump |
| 10/19/1992 | CA2066023A1 Power transmission |
| 10/15/1992 | DE4112196A1 Vane-type pump with reduced high temp. effect - comprises vaned rotor and outer ring assembly and pressure plate with elastic elements in recesses |
| 10/14/1992 | EP0508285A1 Gear metering pump for compounded elastomeric material |
| 10/13/1992 | CA2065076A1 Gear pump with pressure balancing structure |
| 10/09/1992 | CA2065502A1 Gear metering pump for compounded elastomeric material |
| 10/06/1992 | US5152672 Rotary pump with pressure switch |
| 09/23/1992 | EP0504863A1 An electric pump for the circulation of a liquid, for example in an internal-combustion engine |
| 09/15/1992 | US5147183 Rotary vane pump having enhanced cold start priming |
| 09/08/1992 | US5145349 Gear pump with pressure balancing structure |
| 09/08/1992 | US5145348 Gerotor pump having an improved drive mechanism |
| 09/08/1992 | US5145347 Gerotor pump with blind-end groove on each lobe of the annulus |
| 09/08/1992 | US5145329 Homoplanar brushless electric gerotor |
| 09/03/1992 | WO1992014931A1 Pump with variable clearance compensator end plate |
| 09/02/1992 | EP0501362A1 Gear pump |
| 09/02/1992 | EP0501236A1 Pump, in particular encased medical pump |
| 08/26/1992 | EP0500519A2 Valve |
| 08/26/1992 | EP0500022A1 Tandem pump |
| 08/20/1992 | DE4107822A1 Locking valve with valve chamber inside housing - has one inlet, two outlets and elastically deformable closure piece against two valve seatings |
| 08/20/1992 | DE4103848A1 Rotating displacement pump for handling viscous media - incorporates at least one drivable impeller worm rotatably located in cylindrical inner chamber of pump housing |
| 08/18/1992 | US5139395 Aggregate for supplying fuel from a supply tank to internal combustion engine of power vehicle |
| 08/13/1992 | DE4203256A1 Oil pump with meshing gear wheels - uses recess and projection to position inner gear during assembly |
| 08/04/1992 | US5135371 Internal gear pump with radial openings |
| 07/30/1992 | DE4102162A1 Quiet running electric fuel pump for motor vehicle - has gear shaped impeller with sloping teeth for controlled axial thrusts |
| 07/29/1992 | EP0496591A1 Noise-reducing hydraulic pump structure |
| 07/29/1992 | EP0496170A2 Positive displacement pumps |
| 07/23/1992 | DE4128891A1 Eccentric worm gear pump - has attachment to provide connection between drive shaft and contoured rotor drive head |
| 07/23/1992 | DE4101641A1 Pump with three gears - has gearwheels channelling pressure medium to either of two separate outlets |
| 06/25/1992 | CA2058325A1 Positive displacement pumps |
| 06/23/1992 | US5123821 Screw spindle pump with a reduced pulsation effect |
| 06/16/1992 | US5122335 Forming half gear members by powder metallurgy, mating |
| 06/09/1992 | US5120206 Gear metering pump for compounded elastomeric material |
| 06/09/1992 | US5120201 Brushless DC fuel pump responsive to pressure sensor |
| 05/31/1992 | CA2056733A1 Gear pump for a metered liquid dispensing system |
| 05/26/1992 | US5115890 Pressure fluid mechanism such as a motor or a pump coupled to a braking device |
| 05/26/1992 | CA1301544C Loop pump |
| 05/19/1992 | US5114324 Rotary hydraulic motor with brake system |
| 05/06/1992 | CN1016528B Pump arrangement in gear-box |
| 05/05/1992 | US5110269 Gas turbine fuel pumping apparatus |
| 04/30/1992 | DE4134219A1 Gear tooth pump with variable volumetric flow - has additional gears which are disconnected from driving shaft as pressure rises |
| 04/29/1992 | EP0483029A1 High pressure hydraulic generator-receiver for power transmission |
| 04/28/1992 | US5108271 Multiple connection for rotation vacuum pumps |
| 04/22/1992 | EP0481423A1 Electric pump assembly |
| 04/22/1992 | EP0481347A1 Vane pump |
| 04/14/1992 | US5104303 Internal gear pump with tapered oil pockets in sliding surfaces |
| 04/02/1992 | DE4132209A1 Sliding vane oil pump - has separator to separate air from oil installed in container mounted on pump body |
| 04/02/1992 | DE4131159A1 Prevention of hydraulic lock in hydraulic motor - by radial grooves in gear side faces and grooves in driving shaft |
| 03/17/1992 | US5096398 Pulse tuned optimized positive displacement porting |
| 03/17/1992 | US5096397 Suction-controlled gear ring pump |
| 03/17/1992 | US5096396 Rotary apparatus having passageways to clean seal chambers |
| 03/17/1992 | US5096390 Pump assembly with integral electronically commutated drive system |
| 03/11/1992 | EP0474001A1 Internal gear pump for hydraulic fluids |
| 03/04/1992 | EP0473025A1 Internal-gear pump for hydraulic fluid |
| 03/03/1992 | US5092751 Split gear pump mechanism with gear offset |
| 03/03/1992 | US5092736 Pump arrangement in a transmission |
| 02/25/1992 | US5090497 Flexible coupling for progressive cavity downhole drilling motor |
| 02/13/1992 | DE4125128A1 Gear-pump for molten polymer - has screw-thread delivering to interior between unloading zone and airtight seal |
| 02/11/1992 | US5087179 Filter attachment for gear pump |
| 02/04/1992 | US5085564 Flexible drive shaft |