| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 07/13/2004 | US6761144 Rotary engine with counter-rotating housing and output shaft mounted on stationary spindle |
| 07/08/2004 | WO2004057194A1 Single helical rotor pump |
| 07/08/2004 | WO2004057193A1 Gear-type machine comprising lateral axial plates |
| 07/08/2004 | WO2004057192A1 Feed screw for screw pumps |
| 07/08/2004 | WO2004057191A1 Variable volume flow internal gear pump |
| 07/08/2004 | US20040131491 Moineau pump pumping device |
| 07/08/2004 | US20040131480 Bearing assembly for a progressive cavity pump and system for liquid lower zone disposal |
| 07/08/2004 | US20040131477 Vane pump wear sensor for predicted failure mode |
| 07/08/2004 | DE19615849B4 Innenzahnradmaschine (Hydropumpe oder Hydromotor) Internal gear pump (hydraulic pump or hydraulic motor) |
| 07/08/2004 | DE19612499B4 Zahnradmaschine (Pumpe oder Motor) Gear machine (pump or motor) |
| 07/08/2004 | DE10257859A1 Schraubenspindelpumpe Screw Pump |
| 07/07/2004 | EP1435460A2 Feed and scavenge pump arrangement |
| 07/07/2004 | CN2623912Y Spiralism type compressing apparatus for novel cylinder molded lines |
| 07/01/2004 | US20040126257 Method for making a moineau stator and resulting stator |
| 07/01/2004 | US20040126254 Surface micromachined mechanical micropumps and fluid shear mixing, lysing, and separation microsystems |
| 07/01/2004 | DE10356855A1 Kraftstoffzufuhreinheit Fuel supply unit |
| 07/01/2004 | DE10259525A1 Conveyer unit for transporting fuel from a tank to a combustion engine has an overpressure valve mounted on the pressure cover |
| 06/30/2004 | EP0925453B1 Vane cell pump |
| 06/30/2004 | CN2622431Y Plastic rotor sliding vane pump with helical pitch axle and compensation spring |
| 06/30/2004 | CN2622430Y Rotor pump with-unit shuttle valve |
| 06/30/2004 | CN2622429Y Double-threaded screw bolt tooth outline for double-screw bolt pump |
| 06/30/2004 | CN2622428Y Combined pump for fuel feeding machine |
| 06/30/2004 | CN1508420A Fuel-supplying apparatus |
| 06/24/2004 | WO2004053333A1 Screw pump |
| 06/24/2004 | WO2004053296A1 Rotor for a rotary machine |
| 06/24/2004 | WO2004020826A3 Gerotor mechanism |
| 06/24/2004 | DE10258364A1 Electrical drive for claw compressor or piston pump, has centrifugal mass integrated with rotor comprising multiple magnet segments connected to mass |
| 06/23/2004 | EP1115979B1 Housing construction for accommodating a toothed ring micropump |
| 06/23/2004 | CN2621231Y Modified bitumen thermal insulation pump |
| 06/22/2004 | US6752604 Automatic wear indicator for sliding vane vacuum and gas pressure pumps |
| 06/17/2004 | WO2004050988A1 Method and device for treating fibrous material |
| 06/17/2004 | US20040115038 Device for axially conveying fluids |
| 06/17/2004 | US20040113109 Electro-hydrostatic actuator |
| 06/17/2004 | DE10356183A1 Hydrostatic motor has a number of freely rotating roller bearings located between the load-distribution housing, valve control and shaft |
| 06/17/2004 | DE10355774A1 Rotor-Treibstoffpumpe mit innenverzahntem Rotor Rotor fuel pump gerotor |
| 06/17/2004 | DE10256856A1 Verfahren und Vorrichtung zur Faserstoffbehandlung Method and apparatus for treating pulp |
| 06/16/2004 | EP1429029A2 Hot melt adhesive dispensing applicator assembly with independent gear pump assemblies |
| 06/16/2004 | EP1165979B1 Hybrid bearing |
| 06/15/2004 | US6749411 Rotary vane hydraulic power device |
| 06/15/2004 | US6749272 Rotary pump with higher discharge pressure and brake apparatus having same |
| 06/10/2004 | US20040109780 Feed pump for fluidic media |
| 06/10/2004 | US20040109774 Ball check air vent for transmission pump |
| 06/10/2004 | US20040109773 Fuel supply unit |
| 06/09/2004 | DE10354719A1 Air or hydraulic oil delivery arrangement for vehicle pneumatic or hydraulic system, has valves for controlling two delivery units either individually or in group |
| 06/09/2004 | DE10329271B3 Manufacturing method for gerotor principle displacement unit for hydraulic steering device or hydraulic motor |
| 06/09/2004 | DE10321521B3 Oil pump used in the production of molded parts comprises a housing made from aluminum containing moving molded parts partially made from a sinterable material consisting of an austenitic iron-base alloy |
| 06/09/2004 | CN1503879A Fluid controlled pumping system and method |
| 06/03/2004 | WO2004047071A1 Flute embouchure |
| 06/03/2004 | WO2004046554A1 Internal gear pump |
| 06/03/2004 | WO2004045749A1 Proportioning, regenerative, rotary pump |
| 06/03/2004 | US20040105771 Gear pump and method of making same |
| 06/03/2004 | US20040105768 Internal recirculation for magnetically coupled positive displacement pumps |
| 06/03/2004 | DE10254075A1 Rotary vacuum or pressure pump has rotor with flat sloping surface bearing against straight edges of vane or rocker sliding in curved groove in domed lid of housing |
| 06/02/2004 | EP1424495A2 Vane pump |
| 06/02/2004 | EP1423587A1 A system for the construction of pumps, compressors, and motor engines, formed by a rotary chamber and pistons which are driven in the same direction at varying velocities alternatively opposite to each other, inside a fixed open or closed structure |
| 06/02/2004 | CN1500992A Power steering oil pump for automobile |
| 06/01/2004 | US6743005 Gerotor apparatus with balance grooves |
| 06/01/2004 | US6743003 Hydraulic device with balanced rotor |
| 06/01/2004 | US6743002 Rotary fluid pressure device and improved integral brake assembly |
| 06/01/2004 | US6742491 Engine lubrication system |
| 05/27/2004 | WO2004044430A1 Internally meshed oil hydraulic-pump rotor |
| 05/27/2004 | WO2004044429A2 Pump |
| 05/27/2004 | US20040101427 Gerotor fuel pump having primary and secondary inlet and outlet portings |
| 05/26/2004 | EP1421282A1 Fluid displacement pump with backpressure stop |
| 05/26/2004 | EP1421281A1 Gear pump |
| 05/26/2004 | CN2617957Y Blade petrol filling pump on board |
| 05/26/2004 | CN2617956Y Pump motor |
| 05/26/2004 | CN1499086A Cock fittings system for navigation tool |
| 05/25/2004 | US6739850 Motor-type fuel pump for vehicle |
| 05/25/2004 | US6739849 Means for optimizing the disc valve in a gerotor motor |
| 05/25/2004 | US6739848 Hydraulic motor with disc valve commutating slots complimentary in shape to port plate ports |
| 05/21/2004 | WO2004042233A2 Pump comprising a deformable flexible stroke ring |
| 05/20/2004 | US20040096334 Pump system comprising a hydraulic pump, particularly for a steering system |
| 05/19/2004 | EP1073826A4 Hydraulic motor plates |
| 05/19/2004 | EP1071866A4 Multi-plate hydraulic motor valve |
| 05/19/2004 | DE10251846A1 Pumpenantrieb Pump drive |
| 05/19/2004 | DE10250554A1 Vorrichtung mit einem Gehäuse und mit wenigstens einem im Gehäuse angeordneten rotierenden Bauteil A device with a housing and with at least one rotating member disposed in the housing |
| 05/19/2004 | CN2616722Y Vertical screw pump |
| 05/19/2004 | CN2616714Y Double modulus gear mechanism |
| 05/19/2004 | CA2412209A1 Moineau stator |
| 05/18/2004 | US6736609 Support apparatus for movable member and pump apparatus |
| 05/13/2004 | WO2004040141A1 Hermetic compressor having a z-plate |
| 05/13/2004 | WO2004040139A1 Device provided with a component rotatable in a housing |
| 05/13/2004 | US20040091381 Pump |
| 05/13/2004 | US20040091379 Internal geared wheel pump without a filler piece |
| 05/13/2004 | US20040090859 Screw pump and multi screw extruder comprising a screw pump of this type |
| 05/13/2004 | US20040089480 Downhole motor locking assembly and method |
| 05/13/2004 | DE19928247B4 Motor mit Kühlsystem Engine cooling system |
| 05/13/2004 | DE10249494A1 Motorpumpenaggregat Motor pump unit |
| 05/12/2004 | EP1418342A1 Vessel comprising a valve system |
| 05/12/2004 | EP1418336A1 Progressive cavity pump with integrated electrical motor |
| 05/12/2004 | EP1126175A4 Rotary machine |
| 05/12/2004 | EP0934464B1 Progressive cavity pump |
| 05/12/2004 | CN2615382Y Elliptic gear pump |
| 05/11/2004 | US6732700 Oil pump unit for engine |
| 05/06/2004 | WO2004038224A1 Variable-delivery rotary vane pump |
| 05/06/2004 | WO2004038223A1 Improvement in or relating to pumps |
| 05/06/2004 | US20040086408 Housing construction for accommodating a micro system interspersed with fluid |
| 05/06/2004 | EP1416121A1 Anti cavitation system for a gerotor-type two-speed motor |
| 05/06/2004 | EP1095218A4 Internally profiled stator tube |