| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
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| 07/06/2006 | WO2006069520A1 Kneading and displacing method and mechanism for fluid machinery and the use |
| 07/06/2006 | WO2006030027A3 Pump inking units of a printing machine and printing mechanism with a pump inking unit |
| 07/06/2006 | US20060147331 Scroll apparatus with an axial gap control function |
| 07/06/2006 | DE102004055710B3 Verdrängereinheit für eine hydraulische Lenkeinrichtung Displacement unit for a hydraulic steering system |
| 07/06/2006 | CA2595762A1 Roudong volume variation method for fluid machinery and its mechanisms and applications |
| 07/05/2006 | EP1601875B1 Eccentric screw pump |
| 07/05/2006 | CN1796788A High performance rotor pump |
| 07/05/2006 | CN1796787A Trochoid oil pump |
| 07/04/2006 | US7070402 Integrated speed reducer and pump assembly |
| 07/04/2006 | US7070399 Variable displacement pump with a suction area groove for pushing out rotor vanes |
| 07/04/2006 | US7070396 Oil pump apparatus having oil drain |
| 07/04/2006 | CA2266633C A rotary machine |
| 06/29/2006 | WO2006066538A2 Pump |
| 06/29/2006 | WO2006066405A1 Variable capacity vane pump with dual control chambers |
| 06/29/2006 | WO2006066403A1 Variable capacity gerotor pump |
| 06/29/2006 | WO2006048212A3 Pump, especially slurry pump |
| 06/29/2006 | US20060140811 Gear pump having optimal axial play |
| 06/29/2006 | US20060140810 Motor-mounted internal gear pump and electronic device |
| 06/29/2006 | US20060140809 Trochoid oil pump |
| 06/29/2006 | US20060140808 Rotor position control for rotary machines |
| 06/29/2006 | US20060140807 Scroll-type compressor assembly means |
| 06/29/2006 | US20060140806 Scroll fluid machine |
| 06/29/2006 | US20060140805 Electric oil pump |
| 06/29/2006 | US20060140804 Apparatus for varying capacity in scroll compressor |
| 06/29/2006 | US20060140803 Apparatus for preventing vacuum state in scroll compressor |
| 06/29/2006 | US20060140790 G-rotor pump |
| 06/29/2006 | US20060137536 Dividing device |
| 06/29/2006 | DE4102465B4 Hydraulische Gerotor-Druckvorrichtung Hydraulic gerotor pressure device |
| 06/29/2006 | DE102004060222A1 Exzenterschneckenpumpe in Kompaktbauweise Progressive cavity pump in a compact design |
| 06/29/2006 | CA2762087A1 Variable capacity vane pump with dual control chambers |
| 06/29/2006 | CA2588811A1 Variable capacity gerotor pump |
| 06/28/2006 | EP1674728A2 Motor-mounted internal gear pump and electronic device |
| 06/28/2006 | EP1674727A1 Trochoid oil pump |
| 06/28/2006 | CN2791302Y High-performace balancing-type hydraulic vane pump |
| 06/28/2006 | CN1795333A Vane-cell pump provided with a deep-drawn metal-sheet pot |
| 06/28/2006 | CN1793652A Motor-mounted internal gear pump and electronic device |
| 06/28/2006 | CN1793651A 泵装置 Pump device |
| 06/28/2006 | CN1793650A Double-action connectless sliding vane pump |
| 06/22/2006 | WO2006063917A1 Vane pump |
| 06/22/2006 | WO2006063913A1 Vane cell pump |
| 06/22/2006 | WO2006063583A2 Compact eccentric screw pump |
| 06/22/2006 | US20060133946 Hydraulic machine |
| 06/22/2006 | US20060133945 Scroll machine having counterweights with changeable cavity |
| 06/22/2006 | US20060133944 Scroll machine with brushless permanent magnet motor |
| 06/22/2006 | US20060130803 Multiple-power engine device |
| 06/22/2006 | DE102005057339A1 Pump e.g. sliding vane pump, for internal combustion engine, has pressure pockets connected/disconnected by check valve that has valve body, where body has three differently arranged functional areas |
| 06/22/2006 | DE102004060554A1 Flügelzellenpumpe Vane pump |
| 06/22/2006 | DE102004060551A1 Flügelzellenpumpe Vane pump |
| 06/21/2006 | EP1672218A2 Pump |
| 06/21/2006 | EP1671036A1 Inlet hopper construction for a twin-screw pump |
| 06/21/2006 | CN2789462Y Gear oil pump |
| 06/21/2006 | CN2789461Y Double-runner reversing cam rotor pump |
| 06/21/2006 | CN1791750A Eccentric screw pump |
| 06/15/2006 | WO2006062367A1 Rotary pump |
| 06/15/2006 | US20060127550 Apparatus for concentrating processed vegetable and fruit products by reverse osmosis |
| 06/15/2006 | US20060127263 Back pressure apparatus for orbiting vane compressors |
| 06/15/2006 | US20060127262 Oil discharge preventing apparatus of scroll compressor |
| 06/15/2006 | US20060127261 Scroll compressor with complex fillets between eccentric pin and shaft shoulder |
| 06/15/2006 | US20060127260 Scroll compressor having frame fixing structure and frame fixing method thereof |
| 06/15/2006 | US20060127259 Rotary screw machine and method of transforming a motion in such a machine |
| 06/15/2006 | US20060127256 Compression unit of orbiting vane compressor |
| 06/14/2006 | EP1536138A4 Rotor machine |
| 06/14/2006 | DE102004046934B4 Hydraulische Maschine Hydraulic machine |
| 06/14/2006 | CN1788098A 油泵 Pump |
| 06/14/2006 | CN1259173C Integral piston with embedded blades and its manufacture |
| 06/13/2006 | US7059843 Split vane for axial vane rotary device |
| 06/13/2006 | US7059838 Control device for positive displacement pumps |
| 06/08/2006 | WO2006058756A1 Device for converting pressure into torque |
| 06/08/2006 | WO2005079302A3 Low cost gear fuel pump |
| 06/08/2006 | US20060120909 Rotary piston vacuum pump with washing installation |
| 06/08/2006 | US20060120908 Tandem type trochoid pump and method of assembling the same |
| 06/08/2006 | DE10227234B4 Fördereinrichtung zum Fördern insbesondere von gasförmigen oder flüssigen Medien Conveying means for conveying in particular gaseous or liquid media |
| 06/08/2006 | DE102005056343A1 Ölpumpenaufbau Oil pump assembly |
| 06/08/2006 | DE102005053921A1 Tandem-Trochoidpumpe und Verfahren zum Montieren derselben Tandem trochoid pump and method of assembling same |
| 06/08/2006 | DE102004056608A1 Viscous medium e.g. lubricating oil, supplying vane pump for motor vehicle`s automatic transmission, has vanes loaded in radial direction by leaf springs, which exert forces that act radially inward in direction of rotation axis of rotor |
| 06/07/2006 | EP1666727A2 Oil pump rotor |
| 06/07/2006 | EP1664539A1 Inner gear-wheel pump comprising reinforced channels |
| 06/07/2006 | EP1438508B1 Flanged gear pump |
| 06/07/2006 | CN2786320Y Magnetic drive type glandless pump |
| 06/07/2006 | CN1782393A Rotary guide bar-gear mechanism ariven blade differential pump |
| 06/06/2006 | US7056107 Vane type rotary machine |
| 06/01/2006 | US20060115371 Scroll compressor |
| 06/01/2006 | DE102005056277A1 Geared pump with inner teeth, to supply oil for antilock brake and servo steering systems, has an outer rotor with inner teeth and an inner rotor at the drive shaft with outer teeth in a housing |
| 06/01/2006 | DE102005052346A1 Oil pump for internal combustion engine, has pump housing and drive that are cooperated in such a manner that it forms circular cavity between bearing journal sections, and connecting duct section arranged in one of sections |
| 05/31/2006 | EP1662144A1 Internal gear pump and inner rotor of the pump |
| 05/31/2006 | EP1660756A1 A hydraulic machine |
| 05/31/2006 | CN2784622Y Cast pump body for horizontal double-suction double-screw pump |
| 05/31/2006 | CN2784621Y Lubricating oil pump for automobile engine |
| 05/31/2006 | CN1780988A Pump |
| 05/31/2006 | CN1779266A Triple curve rotor |
| 05/31/2006 | CN1258052C Relief valve |
| 05/30/2006 | US7052258 Trochoidal pump |
| 05/30/2006 | US7052257 Internal gear pump |
| 05/30/2006 | US7052256 Synchronized transaxle hydraulic motor |
| 05/30/2006 | US7052252 Port configuration for fuel pump unit for facilitating pressure feedback |
| 05/30/2006 | US7052230 Pump assembly |
| 05/26/2006 | WO2006054161A1 Variable-delivery vane pump, in particular for oil |
| 05/26/2006 | WO2006054159A1 Variable delivery vane pump, in particular for oil |
| 05/26/2006 | WO2006054158A1 Variable delivery vane oil pump |
| 05/24/2006 | EP1659290A2 Internal gear pump with recesses on the gear bearing surfaces |