| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 01/01/2013 | US8342828 Seal for a rotary vane pump |
| 01/01/2013 | US8342826 Variable capacity vane pump |
| 01/01/2013 | US8342825 2 stage rotary compressor |
| 12/27/2012 | WO2012174651A1 Gerotor mechanism with a synchronization gerotor set |
| 12/27/2012 | WO2012128986A3 Displaying a barcode on a display of an infusion pump |
| 12/27/2012 | WO2012016552A3 External gear pump |
| 12/27/2012 | US20120328464 Oil pump |
| 12/27/2012 | DE102011078064A1 Innenzahnradpumpe Internal gear pump |
| 12/27/2012 | DE102011078038A1 Flügelzellenpumpe Vane pump |
| 12/27/2012 | DE102011078035A1 Flügelzellenpumpe Vane pump |
| 12/26/2012 | EP2538082A2 Gear pump with variable delivery volume |
| 12/26/2012 | CN202628510U Internal feed liquid delivery pump under negative pressure working condition |
| 12/26/2012 | CN202628508U Pumping machine |
| 12/26/2012 | CN202628507U Heat preservation rubber pump |
| 12/26/2012 | CN202628506U Forklift main pump |
| 12/26/2012 | CN202628505U Gear pump |
| 12/26/2012 | CN202628504U Positive displacement single-vane hydraulic pump |
| 12/26/2012 | CN202628503U Inside-engaged heat-preservation gear pump |
| 12/26/2012 | CN202628215U Oil pump and diesel with same |
| 12/26/2012 | CN102844525A Vane pump |
| 12/26/2012 | CN102840134A Hydraulic control mechanism for vanes |
| 12/26/2012 | CN102359448B Matching structure of star wheel and eccentric shaft disc for food processing gear pump |
| 12/26/2012 | CN102182680B Multi-stage speed changing screw pump |
| 12/26/2012 | CN102135093B Linear conjugate internal gearing gear pump |
| 12/26/2012 | CN101657643B Gear wheel pump |
| 12/25/2012 | US8337184 Single screw compressor structure |
| 12/25/2012 | US8337183 Oil return valve for a scroll compressor |
| 12/25/2012 | US8337182 Skinning of progressive cavity apparatus |
| 12/25/2012 | US8336518 Rotary machine with roller controlled vanes |
| 12/20/2012 | WO2012171792A1 Immersion pump and method for assembling an immersion pump |
| 12/20/2012 | WO2012171608A2 Pump |
| 12/20/2012 | DE112010003517T5 Antriebsvorrichtung Driving device |
| 12/19/2012 | EP2534378A1 Blade support in a quasiturbine pump |
| 12/19/2012 | CN202612093U Gear oil pump |
| 12/19/2012 | CN202612092U Low-noise inside-gearing cycloid oil pump |
| 12/19/2012 | CN202612091U Integrated full-enclosed refrigeration gear pump |
| 12/19/2012 | CN102828948A Sliding rod rotation type compression pump |
| 12/19/2012 | CN102828947A Method and device for adjusting the compression in a vane cell pump |
| 12/19/2012 | CN102828946A Gear double-teeth water pump |
| 12/19/2012 | CN102828896A Variable volume type speed regulation water pump hydraulic turbine |
| 12/18/2012 | US8333576 Power steering pump having intake channels with enhanced flow characteristics and/or a pressure balancing fluid communication channel |
| 12/13/2012 | WO2012167614A1 Internal gear pump and shimming assembly |
| 12/13/2012 | WO2012101588A8 Pumping assembly for feeding oil under pressure to a user |
| 12/13/2012 | US20120315177 Engine oil pump |
| 12/13/2012 | US20120315171 Method and device for adjusting the compression in a vane cell pump |
| 12/13/2012 | DE19908174B4 Fluidpumpe mit einem Kanal zur Reduzierung einer Druckschwingung Fluid pump with a channel for reducing a pressure pulsation |
| 12/13/2012 | DE102011077096A1 Pendelschieberpumpe Reciprocating vacuum pump |
| 12/13/2012 | DE102011077094A1 Pendelschieberpumpe Reciprocating vacuum pump |
| 12/13/2012 | DE102011077093A1 Pendulum slide pump for supplying internal combustion engine with lubricant, particularly oil, has inner rotor which stands in connection with outer rotor over pendulum, where pendulum is mounted at inner rotor and is guided in outer rotor |
| 12/13/2012 | DE102011055063A1 Motorölpumpe Engine oil pump |
| 12/12/2012 | EP2532894A1 Oil pump |
| 12/12/2012 | EP2532833A1 Conveying element for an eccentric screw pump and eccentric screw pump |
| 12/12/2012 | EP2532212A1 A system and method for induction heating a helical rotor using a coil |
| 12/12/2012 | CN202597095U Triple high-pressure gear pump |
| 12/12/2012 | CN202597094U Two-conjointed high-pressure gear pump with two pressure angles |
| 12/12/2012 | CN202597093U Through flow circulating self-lubricating high-pressure gear pump |
| 12/12/2012 | CN202597092U Axial compensating type high pressure gear pump |
| 12/12/2012 | CN202597091U Gear oil pump |
| 12/12/2012 | CN202597090U Multi-gear cosine gear pump |
| 12/12/2012 | CN202597089U Oil pump for inside engaged gear of forklift |
| 12/12/2012 | CN202597088U Gear oil pump |
| 12/12/2012 | CN202597087U Novel two-section gear pump |
| 12/12/2012 | CN202597086U Mechanical rotor fluid capacity variable mechanism |
| 12/12/2012 | CN102817837A Double end axle hinge rotary vane rotor pump |
| 12/12/2012 | CN102817836A Hydraulic descent control device |
| 12/12/2012 | CN102817835A Blade pump with telescopic and controllable blades |
| 12/12/2012 | CN102817834A Hydraulic vane pump |
| 12/12/2012 | CN102817833A Bidirectional gear oil pump or motor provided with full-hydraulic floating packingless bidirectional shaft sleeves |
| 12/12/2012 | CN102817832A Multi-outlet color pouring blend spinning metering pump |
| 12/12/2012 | CN102817831A High-capacity stirring metering pump |
| 12/12/2012 | CN102817830A Oil pump |
| 12/12/2012 | CN102817829A 发动机油泵 Engine oil pump |
| 12/12/2012 | CN102011727B Circulating thick oil pump |
| 12/12/2012 | CN101413500B Method for manufacturing trochoid pump and trochoid pump obtained |
| 12/11/2012 | US8328544 Bearings of a scroll type machine with crank mechanism |
| 12/11/2012 | US8328543 Contoured check valve disc and scroll compressor incorporating same |
| 12/11/2012 | US8328542 Positive displacement rotary components having main and gate rotors with axial flow inlets and outlets |
| 12/06/2012 | WO2012164381A1 An arrangement for direct supply of pumped medium to a twin-screw pump |
| 12/06/2012 | WO2012021992A8 Variable displacement oil pump |
| 12/06/2012 | US20120308421 Compressor Having Wire Retainer |
| 12/06/2012 | US20120308413 Toothed wheel and pump aggregate with such a toothed wheel |
| 12/06/2012 | US20120305603 Liquid gear pump |
| 12/06/2012 | DE112010001701T5 Flügelzellenpumpe mit verbessertem Rotor und Drehschiebererweiterungsring Vane pump with improved rotor and vane extension ring |
| 12/06/2012 | DE102012104718A1 Flüssigkeitszahnradpumpe Gear pump liquid |
| 12/06/2012 | DE102010051192B4 Fördervorrichtung, Antrieb und Herstellverfahren für eine Fördervorrichtung Conveyor drive and manufacturing method for a conveyor |
| 12/05/2012 | CN202579176U Anti-loosening gear structure for gear pump and gear pump |
| 12/05/2012 | CN202579172U Synchronal rotary multi-phase booster oil-gas pump |
| 12/05/2012 | CN202579171U Gear pump convenient to be connected with motor |
| 12/05/2012 | CN202579170U Self-absorption type anti-dry-running screw pump |
| 12/05/2012 | CN202579169U Cycloidal fuel delivery pump of high-pressure common rail fuel injection system |
| 12/05/2012 | CN202579168U Compound gear oil pump |
| 12/05/2012 | CN202579167U Constant-current gear oil pump |
| 12/05/2012 | CN202579166U Composite bidirectional gear oil pump |
| 12/05/2012 | CN102808765A Fluid pumping device |
| 12/05/2012 | CN102808764A Oil-gas multi-phase mixed transportation pump |
| 12/05/2012 | CN102808654A Rotating valve mechanism and planetary rotating device using same |
| 12/05/2012 | CN101338687B Shaking valve rotary cylinder type variable displacement device and its rotary engine |
| 12/04/2012 | US8323011 Lobe pump system and method of manufacture |
| 12/04/2012 | US8323010 Expander-compressor unit |
| 12/04/2012 | US8323009 Rotary-type fluid machine |