| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 01/31/2013 | DE102011080048A1 Getriebepumpe Gear pump |
| 01/30/2013 | EP2551525A2 Variable-flow oil pump comprising a system for regulating oil pressure according to temperature |
| 01/30/2013 | EP2551521A2 Pump |
| 01/30/2013 | EP2550456A2 Gear pump |
| 01/30/2013 | EP2550039A2 Rotary infusion pumps |
| 01/30/2013 | CN202707478U Vane pump |
| 01/30/2013 | CN202707477U High-pressure spiral arc gear pump |
| 01/30/2013 | CN202707476U Screw pump |
| 01/30/2013 | CN102906471A Rotation device provided with seal structure |
| 01/30/2013 | CN102906426A Variable displacement lubricant pump |
| 01/30/2013 | CN102906425A Gear pump with continuous variable output flow rate |
| 01/30/2013 | CN102900882A Solenoid valve, solenoid and variable volume pump |
| 01/30/2013 | CN102900668A Variable displacement pump |
| 01/30/2013 | CN102900667A Double-flange cylinder spring gear pump |
| 01/30/2013 | CN102900666A 齿轮泵 Gear pumps |
| 01/30/2013 | CN102900665A Inside engaged gear pump or gear motor device with multilayer structure |
| 01/30/2013 | CN101639065B High-pressure complex master and auxiliary vane pump rotor and manufacturing method thereof |
| 01/29/2013 | US8360762 Oil pump rotor |
| 01/24/2013 | WO2013012488A2 Downhole motors with a lubricating unit for lubricating the stator and rotor |
| 01/24/2013 | WO2013011535A2 Double-helical gear rotary positive displacement pump |
| 01/24/2013 | WO2011107307A3 Internal gear pump |
| 01/24/2013 | WO2011063870A3 Screw pump having an integrated pressure limiting valve |
| 01/24/2013 | WO2011029425A3 Sliding vane pump and orthopaedic device comprising a sliding vane pump |
| 01/24/2013 | US20130022487 Vane pump |
| 01/24/2013 | DE102011079671A1 Zahnradpumpe und Verfahren zum Betreiben einer Zahnradpumpe Gear pump and method of operating a gear pump |
| 01/23/2013 | EP2547870A1 A twin rotor pump, motor and/or drive assembly |
| 01/23/2013 | DE202012104802U1 Lenkhilfepumpe Power steering pump |
| 01/23/2013 | CN202690439U Oil pumping unit for nylon pump |
| 01/23/2013 | CN202690437U Automatic liquid dispensing device |
| 01/23/2013 | CN202690436U Self-driving bi-rotor pump |
| 01/23/2013 | CN202689932U Positive displacement underground supercharger |
| 01/23/2013 | CN102893030A Branched duct construct, and uniaxial eccentric screw pump system |
| 01/22/2013 | US8356987 Compressor with retaining mechanism |
| 01/22/2013 | US8356585 Planetary rotary engine |
| 01/18/2013 | DE202012104839U1 Innenzahnradmaschine (Pumpe oder Motor) Internal gear pump (pump or motor) |
| 01/17/2013 | WO2013009796A2 Downhole motor with diamond-like carbon coating on stator and/or rotor |
| 01/17/2013 | WO2013007233A1 Gear ring pump |
| 01/17/2013 | WO2013006902A1 Rotary fluid machine |
| 01/17/2013 | WO2012031833A3 Method for aligning a stroke ring of a vane pump |
| 01/17/2013 | US20130017114 Fluid Machine |
| 01/17/2013 | US20130017111 Scroll device for compression or expansion |
| 01/17/2013 | DE19950257B4 Exzenterschneckenpumpe mit vollausgekleidetem Stator Pump with vollausgekleidetem stator |
| 01/17/2013 | DE19847082B4 Drehkolbenpumpe und Bremsvorrichtung, die diese verwendet Rotary piston pump and brake device that uses this |
| 01/17/2013 | CA2838858A1 Rotary fluid machine |
| 01/16/2013 | CN202673678U Portable defueling pump |
| 01/16/2013 | CN202673674U Multi-roller compressor |
| 01/16/2013 | CN202673673U Rotor pump device |
| 01/16/2013 | CN202673672U Screw pump |
| 01/16/2013 | CN102884323A Lubricant pump and control piston |
| 01/16/2013 | CN102878077A Oil distribution disk and cycloid pump using same |
| 01/16/2013 | CN102878075A Novel gear pump |
| 01/16/2013 | CN102878074A Improved gear pump |
| 01/16/2013 | CN102878073A Gear pump |
| 01/16/2013 | CN102878072A Pressure holding gear pump |
| 01/16/2013 | CN102878071A Special gear pump |
| 01/16/2013 | CN102877821A Thickened oil steam huff and puff injection-production integrated device |
| 01/15/2013 | US8353693 Fluid machine |
| 01/15/2013 | US8353692 Scroll type compressor |
| 01/10/2013 | WO2011138602A3 Rotary engine with rotor output shaft and method |
| 01/10/2013 | US20130011292 Dual rotor pump |
| 01/10/2013 | US20130011288 Scroll compressor |
| 01/10/2013 | DE112011101162T5 Geschrämter Stator für einen Verdrängungsmotor Geschrämter stator for a positive displacement motor |
| 01/10/2013 | DE102011087307A1 Elektrische Ölpumpe Electric oil pump |
| 01/09/2013 | EP2542782A2 Internal gear pump |
| 01/09/2013 | CN202659497U Internal-meshed gear pump |
| 01/09/2013 | CN202659494U High-speed separation pump |
| 01/09/2013 | CN202659493U Special breech-loading three-screw pump for asphalt medium |
| 01/09/2013 | CN202659492U Heat-insulating gear pump with simple structure |
| 01/09/2013 | CN202659491U Heat-insulating and multi-mode internally-engaged gear pump |
| 01/09/2013 | CN102865225A Multi-channel cycloid rotor pump |
| 01/09/2013 | CN102865224A Ultra-high molecular polyethylene gear pump |
| 01/09/2013 | CN102865223A Double-stage inner gearing rolling sleeve pump |
| 01/09/2013 | CN102022320B Linked conjugate pump |
| 01/09/2013 | CN101988496B Vane pump for fuel injection pump device and fuel injection pump device |
| 01/08/2013 | US8348650 Root pump |
| 01/08/2013 | US8348649 Single screw compressor and a method for processing a screw rotor |
| 01/08/2013 | US8348648 Single screw compressor |
| 01/08/2013 | US8348645 Balanced pressure, variable displacement, dual lobe, single ring, vane pump |
| 01/08/2013 | US8347848 Internal combustion engine |
| 01/03/2013 | WO2013003172A1 Positive-displacement rotary pump having a positive-displacement auxiliary pumping system |
| 01/03/2013 | WO2013000745A2 Micropump, bearing element for a micropump, and working method |
| 01/03/2013 | WO2011161117A3 Continuously variable volume hydrostatic rotary piston machine |
| 01/03/2013 | WO2011138601A3 Rotary engine fluid pump and method of pumping a fluid |
| 01/03/2013 | US20130004357 Positive-displacement rotary pump having a positive-displacement auxiliary pumping system |
| 01/03/2013 | DE102011051486A1 Mikropumpe sowie Lagerelement für eine Mikropumpe und Arbeitsverfahren Micro pump and bearing element for a micropump and working methods |
| 01/02/2013 | EP2541741A1 Shaft-driven double-stator multi-speed motor with equal-width curves |
| 01/02/2013 | EP2541064A2 Oil pump of the internal gear type |
| 01/02/2013 | EP2539590A2 Compressor including valve assembly |
| 01/02/2013 | CN202646002U Tooth profile structure of linear conjugate internal gear pair |
| 01/02/2013 | CN202646001U Eccentric rotary oscillating multi-term oil-gas mixed conveying pump |
| 01/02/2013 | CN202646000U Conveying pump for conveying liquid mild of high viscosity |
| 01/02/2013 | CN202645999U Hydraulic pump special for ship |
| 01/02/2013 | CN202645998U Low pressure balanced compact three screw pump with built-in safety valve |
| 01/02/2013 | CN202645905U Double-kinetic-energy flow control pump |
| 01/02/2013 | CN102852789A Gear two-tooth oil pump |
| 01/02/2013 | CN102852788A Vane pump |
| 01/02/2013 | CN102852787A 油泵 Pump |
| 01/02/2013 | CN101846236B Lubricating pump, pump body and pump cover thereof |
| 01/02/2013 | CN101280845B Split-pressure dual pump hydraulic fluid supply system for a multi-speed transmission and method |
| 01/01/2013 | US8342829 Three-stage screw compressor |