| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 05/06/2010 | US20100111722 Integrated internal gear pump with an electric motor |
| 05/06/2010 | DE102008054009A1 Vane pump for use as lubricant pump in internal combustion engine, has four flanks comprising only line contact with corresponding groove, where flanks of spring elements are pressable against rotation direction and against line contact |
| 05/05/2010 | EP2180967A1 Method for producing a machine housing with a surface-hardened fluid chamber |
| 05/05/2010 | CN201450402U Special hollow shaft motor for screw pump |
| 05/05/2010 | CN201448235U High-performance hydraulic vane pump |
| 05/05/2010 | CN201448234U Stepped bushing oil pump without cuttings |
| 05/05/2010 | CN201448233U Magnetic pump for conveying curable materials |
| 05/05/2010 | CN201448232U Oil pump with built-in pump cover |
| 05/05/2010 | CN201448231U Clutch water pump and water-wind all-in-one machine with same |
| 05/05/2010 | CN1829854B Compressed air rotary engine |
| 05/05/2010 | CN101701581A Intelligent adjustable variable flow gear pump device |
| 05/05/2010 | CN101115909B A motor driven by pressure medium supplied from an external pressure source |
| 05/04/2010 | US7708536 Scroll-type refrigerant compressor having fluid flowing from gas inlet to motor winding end chamber through intermediate jacket |
| 05/04/2010 | US7707987 Hydrogen G-cycle rotary internal combustion engine |
| 04/29/2010 | WO2009155109A3 Compressor having capacity modulation system |
| 04/29/2010 | US20100104464 Roots pumps |
| 04/29/2010 | US20100104463 Geared hydraulic apparatus |
| 04/29/2010 | US20100104462 Pump or motor |
| 04/29/2010 | DE102008053318A1 Reversible actuatable toothed wheel machine e.g. inner toothed wheel pump, for use in electro hydraulic vehicle steering system, has bearing chambers subjected with hydraulic fluid, and forming hydrostatic bearing for toothed wheels |
| 04/29/2010 | DE102008053316A1 Zahnradmaschine Gear machine |
| 04/28/2010 | EP2180187A2 Cog wheel machine |
| 04/28/2010 | EP2180186A1 Rotor drive mechanism and pump device |
| 04/28/2010 | EP2179182A1 Rotary cylinder rotary slide positive-displacement pump |
| 04/28/2010 | EP2179181A2 Gear pump and method of delivering fluid using such a pump |
| 04/28/2010 | EP2179142A2 Spur gear-type recirculation pump |
| 04/28/2010 | CN201443507U Stator structure of cam rotor vane pump |
| 04/27/2010 | US7704061 Oil pump |
| 04/27/2010 | US7703433 Rotary internal combustion engine and rotary compressor |
| 04/27/2010 | CA2573769C Concentric internal combustion rotary engine |
| 04/22/2010 | WO2010044416A1 Electric pump unit |
| 04/22/2010 | US20100098571 Pump Apparatus and Methods for Using Same |
| 04/22/2010 | US20100098569 Nanocomposite moineau device |
| 04/22/2010 | DE202009014663U1 Exzenterschneckenmörtelpumpe Exzenterschneckenmörtelpumpe |
| 04/22/2010 | DE102007028675B4 Hydrostatische Maschine Hydrostatic machine |
| 04/21/2010 | EP2177761A2 High-speed gear pump |
| 04/21/2010 | EP2176552A1 Eccentric worm pump with split stator |
| 04/21/2010 | CN101696687A Semi-closed double-screw oil-gas mixed pump for underwater operation |
| 04/20/2010 | US7699738 Oil pump structure of transmission |
| 04/20/2010 | US7699590 Oil pump and automatic transmission including the same |
| 04/20/2010 | US7698818 Method for assembling precision miniature bearings for minisystems and microsystems |
| 04/15/2010 | US20100092317 Uniaxial Eccentric Screw Pump |
| 04/15/2010 | DE102009041880A1 Flügelzellenpumpenflügel Vane pumps wing |
| 04/15/2010 | DE102009040431A1 Getriebepumpe Gear pump |
| 04/15/2010 | DE102009037443A1 Selbstansaugende Flügelzellenpumpe Self-priming vane pump |
| 04/15/2010 | DE102008050962A1 Controllable pump, particularly vane pump, has rotor supported on pump housing, where regulating element encompasses rotor, and sliding and tight guide is provided with slide surface on pump housing |
| 04/14/2010 | EP2175137A2 Direct control variable displacement vane pump |
| 04/14/2010 | EP2173971A1 Vacuum pump for a motor vehicle engine |
| 04/14/2010 | CN201437774U Rolling friction vane pump |
| 04/14/2010 | CN201437773U Plug-in master and auxiliary vane pump |
| 04/13/2010 | US7695262 Pump having toothing on the rotary and drive shaft |
| 04/13/2010 | CA2473282C Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle |
| 04/08/2010 | WO2010037703A2 Rotary pump for vehicle |
| 04/08/2010 | WO2010008457A3 Automatic volume ratio variation for a rotary screw compressor |
| 04/08/2010 | US20100086425 Electroformed stator tube for a progressing cavity apparatus |
| 04/08/2010 | US20100086417 Motor pump unit, in paticular for vehicle power steering |
| 04/08/2010 | DE102008050028A1 Hydraulic internal gear wheel machine for use as internal gear pump, has internal gear with internal teeth and driver with external teeth |
| 04/08/2010 | DE102008049217A1 Vorrichtung zum Abzweigen eines fluidischen Teilstroms Apparatus for diverting a fluidic partial flow |
| 04/08/2010 | DE102008042233A1 Mechanical coupling element for coupling drive shaft to eccentric screw of eccentric screw pump, has rigid crank, and bearing arranged in crank for formation of rotary bearing of eccentric screw around rotation axis |
| 04/08/2010 | CA2738864A1 Rotary pump for a vehicle |
| 04/07/2010 | EP2171215A1 Machine for fluid pumping |
| 04/06/2010 | US7690901 Helical screw compressor comprising a cooling jacket |
| 04/06/2010 | CA2438561C Bearing assembly for a progressive cavity pump and system for liquid lower zone disposal |
| 04/01/2010 | WO2010035916A1 Pump having bypass route |
| 04/01/2010 | WO2010034491A2 Device for branching off a fluidic partial flow |
| 04/01/2010 | DE202009017371U1 Zahnradpumpe mit Aluminium-Rotoren Gear pump with aluminum rotors |
| 03/31/2010 | EP2167821A1 Pump housing |
| 03/31/2010 | CN201433891Y High temperature resistant miniature brushless DC gear wheel pump |
| 03/31/2010 | CN101688532A Gear pump |
| 03/31/2010 | CN101688531A A painting apparatus |
| 03/30/2010 | US7686601 High pressure telescoping gear pumps and motors |
| 03/30/2010 | CA2420111C Progressing cavity pump system for transporting high-solids, high-viscosity, dewatered materials |
| 03/25/2010 | WO2005068839A8 Hydraulic motor having an oscillating supporting piston |
| 03/25/2010 | DE19834034B4 Umlaufende Pumpe, insbesondere für Öl Circulating pump, particularly for oil |
| 03/25/2010 | DE102008047516A1 Pumpe Pump |
| 03/24/2010 | CN201428593Y Variable quantity blade pump |
| 03/24/2010 | CN201428592Y Low voltage variable quantity blade pump |
| 03/24/2010 | CN201428591Y Medium-pressure variable quantity blade pump |
| 03/24/2010 | CN201428590Y Rotor pump for pumping concentrated fruit juice |
| 03/24/2010 | CN201428589Y Screw rod type electric fuel pump |
| 03/24/2010 | CN201428588Y Oil pump |
| 03/24/2010 | CN101680299A Rotary combustion engine and hydraulic motor |
| 03/23/2010 | US7681549 Oscillating piston engine |
| 03/18/2010 | WO2009135587A3 Pump |
| 03/18/2010 | US20100068086 Scroll fluid machine |
| 03/18/2010 | DE19981556B4 Pumpe Pump |
| 03/18/2010 | DE102008042066A1 Gear pump for maintaining fuel injection pump of internal combustion engine, has housing provided with cover, where coating is provided at gear wheel or at drive shaft |
| 03/17/2010 | EP2163764A2 High efficiency lubrication pump |
| 03/17/2010 | CN201424995Y Double stem-hydraulic orbital motor |
| 03/17/2010 | CN101672275A Swinging-bucket type rotor pump |
| 03/17/2010 | CN101672274A Easily-installed adjustable type underground double-screw gas-liquid mixed pumping pump |
| 03/11/2010 | US20100061872 Gear Pump |
| 03/11/2010 | US20100060074 Rotary pump and brake device in which rotary pump is provided |
| 03/10/2010 | EP2161453A2 Rotor set and rotor pump |
| 03/10/2010 | EP2160965A1 Eccentric screw pump |
| 03/10/2010 | EP2160513A1 Hybrid pump for delivering a liquid pump medium |
| 03/10/2010 | EP2160309A2 Gear pump arrangement |
| 03/10/2010 | CN201420633Y Novel oil seal |
| 03/09/2010 | US7674098 Scroll compressor with vapor injection and unloader port |
| 03/09/2010 | US7674095 Variable displacement vane pump with variable target regulator |
| 03/09/2010 | CA2543554C Asymmetric contouring of elastomer liner on lobes in a moineau style power section stator |