| Patents for F04C 11 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations (1,800) |
|---|
| 06/13/2013 | WO2013083808A1 Pump |
| 06/13/2013 | US20130149176 Electric oil pump for hybrid vehicle |
| 06/12/2013 | CN103147977A Torsion spring vane pump for oil well lifting |
| 06/12/2013 | CN101680403B Novelty in electric fuel pumps for internal combustion engines |
| 06/05/2013 | CN202971179U Screw pump with non-return structure |
| 06/05/2013 | CN202970791U Diesel engine transfer case power output device |
| 06/05/2013 | CN103138520A Electric motor and electric unit including the same |
| 06/05/2013 | CN102155404B Automobile twin-stage-type hydraulic power-assisted steering vane pump |
| 05/22/2013 | CN202946376U Wave-force water delivering device |
| 05/22/2013 | CN202946374U Screw rod type grouting pump |
| 05/10/2013 | WO2013020869A3 Rotary piston machine operating as a pump, a compressor or a motor |
| 05/10/2013 | WO2011149842A3 Multiphase pump flow recirculation system |
| 05/08/2013 | CN202926618U Motor pump unit |
| 05/02/2013 | WO2012022784A3 Rotary piston pump |
| 05/02/2013 | DE102012002672A1 Registerpumpe Register pump |
| 05/01/2013 | CN202914309U Sealing device for shaft extension part of direct drive motor of screw pump |
| 04/25/2013 | US20130101448 Rotary machine and pump driving apparatus |
| 04/24/2013 | EP2582981A2 Fluidic gear machine with flow rate regulation |
| 04/24/2013 | CN202900646U Screw pump drive head heat insulation device |
| 04/17/2013 | CN103047131A Double braking and steering pump |
| 04/11/2013 | WO2011128165A3 Electric delivery pump and method for operating an electric delivery pump |
| 04/11/2013 | DE102012216122A1 Fluid conveying device e.g. double external low pressure gear pump for conveying hydraulic oil, has pair of gears exhibiting same axle distance and different gear geometries to provide different pressures and/or volumetric flows |
| 04/10/2013 | CN202867209U Pumping equipment adopting vortex pump |
| 04/10/2013 | CN103032310A 液压泵装置 Hydraulic pump unit |
| 04/10/2013 | CN103032309A 液压泵装置 Hydraulic pump unit |
| 04/03/2013 | CN202851341U Gear oil pump |
| 04/03/2013 | CN202851340U Double straight-tooth conjugated internal gear pump |
| 04/03/2013 | CN103026067A 内齿轮泵 Internal gear pump |
| 03/28/2013 | WO2011158167A3 Fluidic gear machine with flow rate regulation |
| 03/28/2013 | US20130078123 Electric motor for a motor-driven compressor and said motor-driven compressor |
| 03/27/2013 | CN202833154U Pump structure used for duplex variable pump |
| 03/27/2013 | CN202833146U Submersible direct-drive screw rod pump |
| 03/27/2013 | CN202833145U Duplex quantitative vane pump |
| 03/27/2013 | CN202833144U Magnetic drive type gear pump |
| 03/27/2013 | CN202833135U Improved type motor vane pump set |
| 03/27/2013 | CN102996439A Combined pump integrating automobile steering power and lubricating oil transportation |
| 03/21/2013 | WO2013037535A1 Gear pump and method for producing a gear pump |
| 03/21/2013 | WO2013037534A1 Pump comprising an electric motor |
| 03/21/2013 | WO2012164199A3 Hydraulic transmission device and compact hydraulic starter |
| 03/21/2013 | WO2011146099A3 Metering pump or segment, and metering pump assembly comprising a plurality of metering pumps or segments |
| 03/20/2013 | EP2570672A2 Electric oil pump |
| 03/20/2013 | EP2570590A1 Multistage pneumatic motor |
| 03/13/2013 | EP2567142A1 Method and system for continuously pumping a solid material and method and system for hydrogen formation |
| 03/13/2013 | CN102966542A Electric pump unit |
| 03/07/2013 | DE10247668B4 Vakuumpumpe Vacuum pump |
| 03/06/2013 | EP2565376A2 Electric pump unit |
| 03/06/2013 | CN102953983A Energy-saving antifriction wear-resistant rotor type fluid machine and manufacture method thereof |
| 02/28/2013 | US20130052057 Vane pump apparatus and method |
| 02/28/2013 | US20130047595 Air compression method and apparatus |
| 02/27/2013 | EP2562420A2 Variable output pump |
| 02/27/2013 | CN102943652A Screw pump system |
| 02/21/2013 | WO2013025518A1 Enhanced efficiency counter-rotating motor driven pumping apparatus, system, and method of use |
| 02/21/2013 | DE102012212986A1 External gear pump for liquids or elastic fluids, particularly hydraulic medium, such as oil, comprises two mutually meshing outer gears and additional displacement body arranged in displacement hull construction |
| 02/20/2013 | CN202746198U Duplicate-gear conveying pump |
| 02/20/2013 | CN202746197U Twin blade transfer pump |
| 02/20/2013 | CN202746196U Metering liquid pump |
| 02/13/2013 | CN102933849A Cam bearing flow control for rotating cam ring vane pump |
| 02/07/2013 | DE10112500B9 Elektrohydraulische Antriebseinheit Electro-hydraulic drive unit |
| 01/31/2013 | WO2013015150A1 Oil pressure circuit for transmissions |
| 01/31/2013 | WO2012038199A3 Pump comprising an electric motor |
| 01/31/2013 | DE102011079822A1 Hydrostatic pump e.g. two-stroke vane pump for automatic transmission of motor vehicle, has breakthroughs with partition wall that is arranged between first and second rotors |
| 01/30/2013 | EP2551521A2 Pump |
| 01/30/2013 | EP2550039A2 Rotary infusion pumps |
| 01/24/2013 | WO2011107307A3 Internal gear pump |
| 01/23/2013 | CN102889207A Unified variable displacement oil pump and vacuum pump |
| 01/17/2013 | US20130017103 Motor pump |
| 01/10/2013 | WO2011138602A3 Rotary engine with rotor output shaft and method |
| 01/03/2013 | WO2011138601A3 Rotary engine fluid pump and method of pumping a fluid |
| 01/02/2013 | CN101280845B Split-pressure dual pump hydraulic fluid supply system for a multi-speed transmission and method |
| 01/01/2013 | US8342825 2 stage rotary compressor |
| 12/26/2012 | CN202628509U Front end shield oil seal structure of duplicate gear oil pump |
| 12/12/2012 | CN202597096U Micro-friction through-flow floating side plate type duplex high pressure gear pump |
| 12/06/2012 | WO2012164381A1 An arrangement for direct supply of pumped medium to a twin-screw pump |
| 12/06/2012 | WO2012164199A2 Hydraulic transmission device that can form a compact hydraulic starter |
| 12/01/2012 | CA2778461A1 Tandem progressive cavity pumps |
| 11/29/2012 | WO2011073787A3 Cam bearing flow control for rotating cam ring vane pump |
| 11/14/2012 | CN202531424U Embedded gear oil pump connection sleeve |
| 11/14/2012 | CN102782326A Axial sealing element for an internal gear pump |
| 11/08/2012 | WO2012007395A3 Pump unit |
| 10/31/2012 | EP2516860A2 Hydraulic control |
| 10/18/2012 | WO2012140018A1 Manifold system |
| 10/17/2012 | EP2511530A2 Gear pump |
| 10/17/2012 | EP2511474A2 Housingless positive displacement pump assembly |
| 10/17/2012 | CN202493429U Main hydraulic oil supply device of drilling machine |
| 10/10/2012 | EP2508709A2 Pump mounting structure |
| 10/10/2012 | CN202483867U Dual-gear fuel pump for mobile refueling tank truck |
| 10/10/2012 | CN202483866U Multi-connection gear pump for combustion gas turbine |
| 10/03/2012 | CN202468311U Triple gear pump |
| 10/03/2012 | CN101310111B Hot melt adhesive metering pump assembly with integral reservoir tank |
| 09/27/2012 | DE102011084663A1 Pumpenvorrichtung Pump device |
| 09/19/2012 | CN202441594U High-viscosity melt conveying pump |
| 09/12/2012 | EP2497952A2 Electric pump unit |
| 08/28/2012 | US8251682 Multi stage rotary expander and refrigeration cycle apparatus with the same |
| 08/22/2012 | EP2488755A2 Double internal gear pump |
| 08/15/2012 | EP2487368A2 Thermally efficient multiple stage gear pump |
| 08/15/2012 | CN202381327U High-pressure duplex lug-boss-type gear pump |
| 08/09/2012 | WO2012103925A1 Double internal gear wheel pump |
| 08/09/2012 | WO2012103921A1 Method for circuit separation testing in a double gearwheel pump |
| 08/08/2012 | EP2483562A2 Axial sealing for an internal gear pump |
| 08/02/2012 | WO2011076172A3 Hydraulic control |