| Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663) |
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| 10/28/2009 | CN101566149A Master-auxiliary vane pump and stator decompression method |
| 10/28/2009 | CN100554689C Bidirectional constant flux gear pump |
| 10/25/2009 | CA2664067A1 Variable displacement vane pump with enhanced discharge port |
| 10/21/2009 | EP2110555A2 Variable displacement vane pump |
| 10/15/2009 | US20090257899 Variable displacement vane pump |
| 10/08/2009 | WO2009121471A1 Pump, particularly vane pump |
| 10/08/2009 | WO2009121470A1 Pump, particularly vane pump |
| 10/01/2009 | DE202009009511U1 Vorrichtung zum Transport von Fluidmedien Device for the transport of fluid media, |
| 10/01/2009 | DE102004021885B4 Rotations-Hydropumpe Rotary hydraulic pump |
| 09/30/2009 | CN201318284Y Steering preferential shunt control vane pump |
| 09/30/2009 | CN100545453C Rotor machine |
| 09/22/2009 | CA2528999C Method and apparatus for shifting speeds in a fluid-actuated motor |
| 09/17/2009 | WO2009112789A1 Pump control system |
| 09/15/2009 | CA2159672C A valve train with suction-controlled ring gear/internal gear pump |
| 09/09/2009 | EP1969246A4 Cam-actuated centrifugal brake for preventing backspin |
| 09/09/2009 | EP1163449B1 Variable displacement vane pump |
| 09/09/2009 | CN201306281Y Mechanical sealing protection system of marine double-screw cargo oil pump for conveying bitumen |
| 08/27/2009 | DE10227149B4 Steuervorrichtung für eine Pumpe mit variabler Verdrängung in einer Kraftlenkvorrichtung A control apparatus for a variable displacement pump in a power steering device |
| 08/26/2009 | EP2093426A1 Electric operated pump unit and electric operated oil pump |
| 08/26/2009 | CN101517236A Control system and method for pump output pressure control |
| 08/26/2009 | CN100532841C Variable output rotor pump |
| 08/20/2009 | WO2009101267A2 Monitoring of a high‑pressure pump in a turbine engine fuel supply circuit |
| 08/20/2009 | DE102009008850A1 Variable Verdrängergetriebepumpe Variable Verdrängergetriebepumpe |
| 08/20/2009 | DE102008000322A1 Displacement pump, particularly single-stroke vane pump, for producing stream of pressure medium to load, has housing in which rotor is mounted, and rotor is surrounded by cam ring |
| 08/20/2009 | CA2705610A1 Monitoring of a high-pressure pump in a turbine engine fuel supply circuit |
| 08/19/2009 | CN100529401C 机动泵 Motorized pump |
| 08/13/2009 | US20090202375 Continuously Variable Displacement Vane Pump And System |
| 08/12/2009 | EP2087240A2 A variable-displacement vane oil pump |
| 08/06/2009 | WO2009095011A2 Pressure switching configuration for oil pumps |
| 08/06/2009 | US20090196780 Variable Displacement Vane Pump With Dual Control Chambers |
| 08/05/2009 | CN201284751Y Pressure regulating and water breaking structure of pump |
| 07/30/2009 | WO2009092719A2 Variable-volume internal gear pump |
| 07/30/2009 | CA2712550A1 Variable-volume internal gear pump |
| 07/29/2009 | CN100520069C Variable capacity vane pump with dual control chambers |
| 07/23/2009 | DE102009004701A1 Pumpeneinrichtung Pump means |
| 07/23/2009 | DE102008056629A1 Internal gear pump e.g. oil pump, for delivering e.g. lubricating oil, of internal combustion engine, has rotor with external toothing, where delivery volume of pump is changed by changing overlapping of internal and external toothings |
| 07/16/2009 | WO2009024663A3 Gear pump and method of delivering fluid using such a pump |
| 07/16/2009 | CA2711195A1 Progressive cavity apparatus with transducer and methods of forming and use |
| 07/15/2009 | CN100513790C Variable displacement pump |
| 07/08/2009 | EP1794457B1 Vane cell pump |
| 07/08/2009 | EP1540157A4 Improved fuel delivery system |
| 07/08/2009 | CN201269191Y Quantitative gear pump |
| 07/01/2009 | CN100507240C 改进的燃料输送系统 Improved fuel delivery system |
| 06/25/2009 | DE102008059981A1 Regelbare Flügelzellenpumpe Variable displacement vane pump |
| 06/25/2009 | DE102007060883A1 Fluidic work machine e.g. single-stroke vane pump, has pressure discharge device subjecting working chambers with system pressure in pre-compression region, where pressure discharge device is mounted in control discs or housing |
| 06/23/2009 | US7549848 Device for adjusting the pumping capacity of a lubricant pump for an internal combustion engine |
| 06/18/2009 | US20090155110 Scroll compressor with device to limit orbit radius |
| 06/18/2009 | DE102008063556A1 Valve arrangement, particularly for controlling flow in vane pump, has valve piston that is axially adjusted against force of spring in valve bore, where axial section of surface of valve bore is formed in concave manner |
| 06/11/2009 | US20090148324 Variable displacement vane pump |
| 06/11/2009 | US20090148309 Variable displacement pump having a rotating cam ring |
| 06/10/2009 | EP2066904A1 Control system and method for pump output pressure control |
| 06/04/2009 | DE102007063035A1 Oil pump for engine, has inner rotor fastened to shaft, and outer rotor rotating with respect to inner rotor, so that inner rotor or outer rotor has centre of gravity, which lies outside of rotation centre |
| 06/04/2009 | DE102007053718A1 Internal-combustion engine, has pump provided for liquid medium, and rotating shaft with section that forms component of pump and housing region of housing of pump, where housing region forms portion of conveying unit for medium |
| 06/03/2009 | EP2065561A2 Vane pump with tilting pad radial bearings |
| 06/03/2009 | EP1553298B1 Oil pump |
| 05/27/2009 | CN201246318Y Large power variable-frequency speed regulating system of dredge boat high-pressure water rushing pump |
| 05/27/2009 | CN101443557A Variable displacement sliding vane pump |
| 05/26/2009 | CA2549684C Method and apparatus for accurately dispensing liquids and solids |
| 05/20/2009 | EP2059680A2 Two stage pressure regulation system for variable displacement hydraulic pumps |
| 05/19/2009 | US7534096 Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 05/13/2009 | CN201236801Y Multifunctional helical-lobe compressor controller |
| 05/12/2009 | CA2549357C Method and apparatus for accurately dispensing liquids and solids |
| 05/08/2009 | CA2644293A1 Downhole pump controller |
| 05/07/2009 | DE112007000514T5 Flügelpumpe mit reduziertem Rotoranordnungsdurchmesser Vane pump rotor assembly with reduced diameter |
| 05/01/2009 | CA2642312A1 Monitoring and adjustment system and method for a high pressure feeder in a cellulose chip feeding system for a continuous digester |
| 04/30/2009 | DE102007000970A1 Positive-displacement pump i.e. sliding vane pump, for producing pressurizing medium flow for servo steering device of motor vehicle, has pressure chambers formed between rings and sealed by seal led in groove against each other |
| 04/23/2009 | WO2009052105A1 Sliding vane pump |
| 04/23/2009 | WO2009024109A3 Control oil pump having travel-dependent oil pressure control |
| 04/23/2009 | US20090104049 Sliding Vane Pump |
| 04/23/2009 | DE102008047117A1 Variable Verdrängerpumpe, Ventilzeitsteuervorrichtung, die die variable Verdrängerpumpe verwendet, und Ventilzeitsteuersystem, das die Verdrängerpumpe verwendet, für die Verwendung in einem Verbrennungsmotor Variable displacement pump, valve timing control apparatus that uses the variable displacement pump, and valve timing control system employing the positive displacement pump, for use in an internal combustion engine |
| 04/22/2009 | EP2049800A1 Feed pump |
| 04/22/2009 | CN201225303Y Main seal leakage monitoring apparatus in water cooled double-end face mechanical seal pump |
| 04/22/2009 | CN201225288Y Explosion-proof type oil and gas recovery vacuum pump |
| 04/15/2009 | CN101408171A Portable electric refueling device |
| 04/09/2009 | DE202009000690U1 Rotationsverdrängerpumpe Rotary displacement |
| 04/09/2009 | DE112007001131T5 Kontinuierlich verstellbare Drehschieberpumpe und entsprechendes System Continuously variable displacement pump and corresponding system |
| 04/08/2009 | CN101403931A Time-adjustable time-delay differential pressure controller and assembling method |
| 04/08/2009 | CN101403382A Gear pump for micro-miniature turbojet engine |
| 04/02/2009 | WO2009040515A1 Pump assembly |
| 04/02/2009 | DE112007001037T5 Flügelpumpe mit variabler Verdrängung und zwei Steuerkammern Vane pump with variable displacement and two control chambers |
| 04/02/2009 | DE102004057713B4 Regelsystem für Verdrängerpumpen Control system for positive displacement pumps |
| 04/01/2009 | EP2042737A2 Pressure recovery system |
| 03/31/2009 | CA2487334C Rotor machine |
| 03/26/2009 | WO2009037764A1 Variable capacity vane pump |
| 03/26/2009 | WO2009037763A1 Variable capacity vane pump |
| 03/26/2009 | WO2009012921A8 Pump housing |
| 03/26/2009 | US20090081062 Scroll compressor with high side to low side oil bleed valve |
| 03/25/2009 | EP2038554A1 A variable capacity pump with dual springs |
| 03/24/2009 | CA2331748C A device for the supply of a liquid fuel to a burner member |
| 03/19/2009 | US20090074598 Variable Capacity Vane Pump with Force Reducing Chamber on Displacement Ring |
| 03/18/2009 | EP2035710A1 Pump |
| 03/18/2009 | EP1252443B1 Hydraulic fluid vane pump |
| 03/18/2009 | CN201209568Y Energy-conserving high-efficiency operation control system for header pumps |
| 03/18/2009 | CN101389866A An industrial process efficiency method and system |
| 03/18/2009 | CN101387292A Variable displacement vane pump |
| 03/17/2009 | US7503753 Variable capacity fluid pump for an engine |
| 03/12/2009 | US20090068024 Progressing cavity pump with heat management system |
| 03/11/2009 | EP2034186A2 Device for supplying liquids |
| 03/11/2009 | EP2034184A2 Pumping Apparatus |
| 03/11/2009 | CN100467860C Cam ring bearing for fuel delivery system |