| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 01/20/2010 | CN101629567A Gas-liquid mixing pump |
| 01/14/2010 | WO2010003187A1 Generation and use of high pressure air |
| 01/14/2010 | US20100008808 Sliding face modification material, method for producing sliding face modification material, method for using sliding face modification material, sliding members having sliding face modification material, and compressor comprising sliding members |
| 01/14/2010 | US20100008797 Electric pump unit and electric oil pump |
| 01/14/2010 | DE102006057165B4 Trinkwasseraufbereitungsvorrichtung Drinking water treatment device |
| 01/14/2010 | CA2730303A1 Generation and use of high pressure air |
| 01/13/2010 | CN201381986Y Cleaning machine high pressure pump |
| 01/13/2010 | CN201381985Y Rod gear pump |
| 01/13/2010 | CN201381984Y Automobile power-assisted pump |
| 01/13/2010 | CN101627209A Oil pump rotor |
| 01/13/2010 | CN100580254C Vane pump |
| 01/13/2010 | CN100580253C Vane pump |
| 01/12/2010 | US7645129 Oil pump for a scroll compressor |
| 01/12/2010 | US7645128 Dividing device |
| 01/07/2010 | WO2010001764A1 Variable displacement gear pump |
| 01/07/2010 | US20100000207 Combined Gas and Liquid Pump |
| 01/07/2010 | DE102008032251A1 Automotive roller cell pump has rollers linked to a guide ring via a rotating body with radial apertures between two zones |
| 01/07/2010 | DE102008032249A1 Roller cell pump comprises a guide disk arranged in a housing and having recesses for guiding the rollers so that the rollers always interact with the inner contour of the housing |
| 01/07/2010 | DE102006044948B4 Flügelzellenpumpe Vane pump |
| 01/06/2010 | EP2140142A1 Gear pump |
| 01/06/2010 | EP2140141A1 Dual stage pump having intermittent mid-shaft load supports |
| 01/06/2010 | CN201377432Y Crescent gearpump combined unloading groove |
| 01/06/2010 | CN201377427Y Hand-operated pump for automatic liquid delivery |
| 01/06/2010 | CN201377426Y Novel combined oil pump with oil-gas separating function and circular inside-engaged gear |
| 01/06/2010 | CN201377418Y Reaction torque releasing device of oil production screw pump |
| 01/06/2010 | CN100578017C Engine oil pump |
| 01/05/2010 | US7641457 Internal gear pump |
| 01/05/2010 | US7641456 Scroll compressor with back pressure chamber cavity for assisting in start-up |
| 01/05/2010 | US7641454 Two-stage rotary compressor |
| 12/31/2009 | DE102009024216A1 Verdrängermaschine Displacement |
| 12/31/2009 | DE102008031034A1 Position guide for roller in roller cell pump, has circulating groove in which roller with stub shafts is guided, where groove has u-shape in cross-section and shafts are attached at front side of roller |
| 12/30/2009 | WO2009156264A2 Gear pump |
| 12/30/2009 | EP2138721A1 Drawing device and method of drawing contained fluid |
| 12/30/2009 | EP2137380A1 Improved geared hydraulic apparatus |
| 12/30/2009 | EP2137033A1 Brake releasing mechanism and braking system |
| 12/30/2009 | CN201372923Y Single-cylinder diesel engine oil pump with pressure relief device |
| 12/30/2009 | CN201372922Y Double spiral end surface screw pump |
| 12/30/2009 | CN201372921Y Circular barrel pump |
| 12/30/2009 | CN101614204A Liquid conveyer with blades |
| 12/30/2009 | CN100575668C Surgical pneumatic motor for use with MRI |
| 12/29/2009 | US7637726 Screw vacuum pump |
| 12/29/2009 | US7637724 Variable displacement vane pump with pressure balanced vane |
| 12/24/2009 | DE102009023816A1 Verdrängerpumpe Displacement pump |
| 12/24/2009 | DE102009023336A1 Innenzahnradpumpe Internal gear pump |
| 12/24/2009 | DE102008029362A1 Innenzahnradpumpe Internal gear pump |
| 12/23/2009 | WO2009155109A2 Compressor having capacity modulation system |
| 12/23/2009 | WO2009152692A1 Low speed high-pressure vane pump for hydraulic bicycle |
| 12/23/2009 | EP2136082A2 Internal gear pump |
| 12/23/2009 | CN201368020Y Spinning water pump |
| 12/23/2009 | CN201368019Y Compound transmission fluid transferring boosting pump |
| 12/23/2009 | CN101608618A Novel gear pump of composite gear type |
| 12/23/2009 | CN101608617A Internally-geared low-pulsation gear pump |
| 12/23/2009 | CN101608597A Controllable wheel-groove slow flow type water turbine/water pump |
| 12/23/2009 | CN100572813C Pin-hole type cycloid rotor pump |
| 12/22/2009 | CA2492914C Improved fuel delivery system |
| 12/17/2009 | WO2009125308A8 Rotary hydraulic machine |
| 12/17/2009 | US20090311120 Gear pump |
| 12/17/2009 | DE102008028059A1 Positive-displacement pump e.g. gear pump, for use as mixing device in e.g. beverage dispenser, has conveyor elements rotatably supported at pump housing, and drive device driving conveyor element by electrical/magnetic field forces |
| 12/17/2009 | DE102004038909B4 Pumpvorrichtung für feststoffbeladene Flüssigkeiten Pumping device for solids-laden fluids |
| 12/16/2009 | EP2133570A1 Rotor drive mechanism, shaft seal structure for eccentric shaft, and pump device |
| 12/16/2009 | EP1483505B1 Hydraulic system comprising a variable displacement pump |
| 12/16/2009 | CN201363271Y Vane pump/motor |
| 12/16/2009 | CN201363270Y Vane type rotator pump |
| 12/16/2009 | CN201363269Y Circular arc tooth conjugated inner gearing gear pump |
| 12/16/2009 | CN101605995A Variable displacement dual vane pump |
| 12/16/2009 | CN101603532A Double-screw mixing transmission pump tooth type |
| 12/16/2009 | CN101603531A Circular ring sliding vane pump |
| 12/16/2009 | CN101603530A Scroll gas-liquid multiphase mixing transmission pump |
| 12/16/2009 | CN101603435A Penetration slipping sheet expander with automatic compensation function |
| 12/16/2009 | CN100570158C Metering pump |
| 12/15/2009 | US7632083 Anti-galling pump rotor for an internal gear pump |
| 12/15/2009 | US7632082 Hermetically sealed compressor and method of manufacturing the same |
| 12/15/2009 | US7631632 Orbital engine/pump with multiple toroidal cylinders |
| 12/10/2009 | WO2009148884A2 Screw compressor with asymmetric ports |
| 12/10/2009 | WO2009146714A1 A pumping system and a method for pumping fluids |
| 12/10/2009 | WO2009095011A3 Pressure switching configuration for oil pumps |
| 12/10/2009 | CA2726701A1 A pumping system and a method for pumping fluids |
| 12/09/2009 | CN201358916Y Volumetric type oil pump |
| 12/09/2009 | CN201358915Y Three screw pump |
| 12/09/2009 | CN101598126A Master and auxiliary vane pump rotor processing technique |
| 12/09/2009 | CN100567741C Internal gear compressor |
| 12/09/2009 | CA2842412A1 Universal pump holddown system |
| 12/08/2009 | US7628593 Horizontal type scroll compressor including a first space and a second space |
| 12/08/2009 | CA2545519C Hybrid engine |
| 12/08/2009 | CA2358587C Twin vane concentric pump |
| 12/03/2009 | WO2009146448A2 Variable output fluid pump system |
| 12/03/2009 | WO2009092719A3 Variable-volume internal gear pump |
| 12/03/2009 | US20090297384 Dual displacement external gear pump |
| 12/02/2009 | EP2128446A2 Hydraulic unit |
| 12/02/2009 | EP2126314A2 Hydrogen g-cycle rotary internal combustion engine |
| 12/02/2009 | CN201354735Y Railway limit sliding vane pump |
| 12/02/2009 | CN201354734Y Triangle rotor type delivery pump |
| 12/02/2009 | CN201354733Y Internal gear oil pump for automatic speed changer of large bus |
| 12/02/2009 | CN201354700Y Double oil seal fuel oil transmission pump |
| 12/02/2009 | CN201354650Y Cycloid reduction pneumatic motor |
| 12/02/2009 | CN100564878C Inner gear-wheel pump comprising reinforced channels |
| 12/02/2009 | CN100564877C Gear pump having optimal axial play |
| 12/02/2009 | CA2667881A1 Drive means |
| 12/01/2009 | US7625191 Rotary displacement machines having rotors of asymmetrical profile |
| 11/26/2009 | WO2009140753A1 Vane pump |