| Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663) |
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| 04/27/2011 | EP2314873A2 Screw pump with a leakage sensor |
| 04/26/2011 | CA2381272C Constant flow vane pump |
| 04/21/2011 | US20110088796 Control valve body with integrated pump for automatic transmissions |
| 04/20/2011 | EP2312162A1 Lubricant pump |
| 04/13/2011 | EP2307726A2 Variable displacement pump comprising a flow rate regulator and a pressure valve |
| 04/13/2011 | CN101479483B Pump |
| 04/07/2011 | DE102009048320A1 Schmierstoffpumpe Lubricant pump |
| 04/06/2011 | EP2303362A1 Dual chamber and gear pump assembly for a high pressure delivery system |
| 03/30/2011 | EP1966047B1 Aircraft fuel tank assembly |
| 03/24/2011 | DE10233582B4 Flügelzellenpumpe zur Förderung eines Fluids Vane pump for delivering a fluid |
| 03/23/2011 | CN101644258B Processing method of vane pump rotor groove |
| 03/22/2011 | CA2604998C Active intake pressure control of downhole pump assemblies |
| 03/17/2011 | DE102004049460B4 Flusssteuerung für Servolenkungen Flow control, power steering |
| 03/16/2011 | EP2035710B1 Pump |
| 03/16/2011 | CN201763599U High-pressure gear pump |
| 03/15/2011 | CA2686310C Monitoring pump efficiency |
| 03/15/2011 | CA2443367C Variable displacement pump having a rotating cam ring |
| 03/10/2011 | WO2010075834A3 Locking semirotary pump |
| 03/03/2011 | DE102009039776A1 Device for temperature-dependent regulating lubricating oil stream in motor vehicle transmission, has lubricating oil pump whose delivery rate is adjusted based on temperature of oil, and expansion element acting on adjusting units of pump |
| 03/02/2011 | EP2179181B1 Gear pump and method of delivering fluid using such a pump |
| 03/01/2011 | CA2528815C Thermal expansion chambers for airtight containers |
| 02/22/2011 | CA2613630C Auxiliary braking device for wellhead having progressive cavity pump |
| 02/17/2011 | DE102009028442A1 Toothed wheel pump for use in common-rail-fuel injection system for combustion engine, has suction side and pressure side, where pressure-sided reverse flow channel manufactures hydraulic connection between pressure side and conveyor spaces |
| 02/17/2011 | DE102009028439A1 Pump arrangement, particularly for fuel injection systems of air-compressing, self-igniting internal combustion engines, has sliding vane pump with outer ring and impeller which is arranged in outer ring |
| 02/17/2011 | DE102009028402A1 Pump arrangement, particularly for fuel injection systems of air-compressing, self-igniting internal combustion engines, has feed pump with two feeding components, and shut-off valve |
| 02/16/2011 | CN101978167A 油泵 Pump |
| 02/16/2011 | CN101147000B Vane cell pump |
| 02/09/2011 | EP2282402A1 Electric pump device |
| 02/09/2011 | CN101968053A Variable displacement pump having rotating cam ring |
| 02/03/2011 | DE102009028157A1 Gear pump for use as e.g. prefeed pump in fuel injection system of high pressure fuel pump, has inflow region connected with return region by control valve for regulating delivery volume of gear pump |
| 02/02/2011 | CN201730825U Speed monitoring and protection device of screw rod pump |
| 02/02/2011 | CN101965458A Progressive cavity apparatus with transducer and methods of forming and use |
| 01/26/2011 | CN101639063B Gear type oil pump |
| 01/19/2011 | EP2275684A1 Assembly with a gear pump |
| 01/19/2011 | EP2275683A1 Method for controlling a gear pump and an application of the method |
| 01/19/2011 | EP2275682A1 Oil supplying apparatus for engine |
| 01/19/2011 | CN201714661U Intelligent control protection device for screw pump oil production device |
| 01/19/2011 | CN201714660U Intelligent energy saving control device of screw pump driving device |
| 01/12/2011 | EP2273122A2 Split discharge vane pump and fluid metering system therefor |
| 01/12/2011 | CN201705840U Dual-release hydraulic brake device |
| 01/12/2011 | CN201705667U Screw plug structure of flow control valve in steering vane pump |
| 01/12/2011 | CN201705666U Medium and high pressure oil-injection screw unit circulating oil circuit control structure |
| 01/12/2011 | CN101403382B Gear pump for micro-miniature turbojet engine |
| 01/11/2011 | US7866963 Variable delivery vane oil pump, in particular for oil |
| 01/05/2011 | EP2268899A1 Pump, particularly vane pump |
| 01/05/2011 | CN201696293U Anti-blowout alarm device of screw pump |
| 12/30/2010 | US20100329912 Variable Capacity Vane Pump with Dual Control Chambers |
| 12/30/2010 | DE102009030655A1 Vorrichtung und Verfahren zum Transport von Fluidmedium Device and method for transport of fluid medium |
| 12/29/2010 | CN101476559B Variable displacement pump |
| 12/23/2010 | WO2010146087A2 A variable-displacement lubricant pump |
| 12/23/2010 | US20100322807 Pump apparatus |
| 12/22/2010 | EP2264318A1 A variable-displacement lubricant pump |
| 12/16/2010 | WO2010142611A1 Lubricant pump system |
| 12/16/2010 | US20100316507 Split discharge vane pump and fluid metering system therefor |
| 12/15/2010 | EP2261508A1 Oil pump |
| 12/08/2010 | EP2257693A1 Pump, particularly vane pump |
| 12/08/2010 | CN101292087B Net-displacement control method of fluid motors and pumps |
| 12/02/2010 | WO2010006705A8 Variable displacement pump comprising a flow rate regulator and a pressure valve |
| 12/02/2010 | US20100303660 Variable Capacity Vane Pump |
| 12/02/2010 | US20100303659 Compressor having piston assembly |
| 12/02/2010 | DE102009023443A1 Method for controlling flow rate of pendulum valve vane pump by engine oil pressure of internal combustion engine of vehicle, involves using engine oil pressure for controlling pendulum valve vane pump that is controlled or regulated |
| 11/25/2010 | WO2010112108A3 Screw spindle pump arrangement |
| 11/24/2010 | EP2253847A1 Variable capacity lubricant vane pump |
| 11/24/2010 | CN101892981A Variable capacity lubricant vane pump |
| 11/11/2010 | DE102010015288A1 Regelbare Flügelzellenpumpe Variable displacement vane pump |
| 11/10/2010 | CN1666010B Internal gear machine with variable capacity |
| 11/10/2010 | CN101881272A Variable displacement vane pump |
| 11/04/2010 | WO2010083991A3 Method for operating a load |
| 11/03/2010 | CN201621052U Electric control gear of carbon dioxide pressurization pump truck |
| 10/28/2010 | DE69601290C5 Kompakte elektrohydraulische Einheit Compact electro-hydraulic unit |
| 10/26/2010 | CA2530840C Variable displacement radial piston pump |
| 10/21/2010 | WO2010119411A1 Variable capacity fluidic machine |
| 10/21/2010 | US20100266434 Flow-controllable cell pump with pivotable control slide valve |
| 10/13/2010 | EP2238352A2 Progressive cavity apparatus with transducer and methods of forming and use |
| 10/13/2010 | CN201606244U 多腔定子螺杆泵 Multi-cavity of the stator screw |
| 10/13/2010 | CN101858346A 齿轮泵 Gear pumps |
| 10/13/2010 | CN101336323B Method for supplying a chemical or chemical compound in a fibrous web machine and an apparatus for implementing the method |
| 10/07/2010 | DE19818027B4 Kavitationsfreie Zahnradpumpe Gear pump cavitation |
| 10/06/2010 | EP2235374A2 Variable-volume internal gear pump |
| 10/06/2010 | CN201599190U 齿轮泵压力调节器 Gear pump pressure regulator |
| 09/30/2010 | DE102009015450A1 Method for supplying oil in internal combustion engine, involves operating oil pump with low oil pressure for supplying pressurized oil to internal combustion engine, where pressurized oil is supplied from storage |
| 09/23/2010 | DE102009013986A1 Oil pump e.g. vane-type control oil pump, for supplying lubricating oil to internal combustion engine, has sealing element designed as cylindrical roller that rolls off at rolling surface of stator, where sealing element seals chamber |
| 09/22/2010 | EP2229534A2 Apparatus and method for controlling operation of compressor |
| 09/21/2010 | US7798790 Vane pump using line pressure to directly regulate displacement |
| 09/16/2010 | US20100232989 Variable displacement oil pump |
| 09/16/2010 | DE102010000630A1 Motorpumpensatz, der eine Energiereserve bildet Motor pump set which forms an energy reserve |
| 09/15/2010 | CN201582109U Flow adjustable screw pump |
| 09/14/2010 | US7794217 Variable capacity vane pump with dual control chambers |
| 09/10/2010 | WO2010099599A1 Direct control linear variable displacement vane pump |
| 09/10/2010 | CA2753511A1 Direct control linear variable displacement vane pump |
| 09/09/2010 | US20100226799 Variable displacement pump |
| 09/08/2010 | CN201574929U Pressure regulator for variable vane pump |
| 08/31/2010 | US7785087 Vane cell pump having pistons guided in cylinder for adjustment of the stator |
| 08/26/2010 | WO2010094574A1 Device for restricting the throughflow quantity at a pump, and pump arrangement having a device of this type |
| 08/26/2010 | DE10305781B4 Mehrstufige Schmierölpumpe Multi-stage oil pump |
| 08/26/2010 | DE102009056624A1 Variable Verdrängungspumpe und Servolenkungsvorrichtung unter Einsatz der variablen Verdrängungspumpe Variable displacement pump and power steering apparatus using the variable displacement pump |
| 08/26/2010 | DE102009001154A1 Gear pump for common rail injection system of e.g. diesel engine of car, has chamber limited by valve so that distance between wheels and valve is changeable to control flow rate of pump depending on position of valve |
| 08/26/2010 | DE102009001152A1 Rotary vane pump of common rail injection system of e.g. diesel engine, of car, has unit for changing eccentricity of rotor, and slide valves mounted in guiding slot such that work space is divided into suction and discharge chambers |
| 08/25/2010 | CN101813087A Vortex fluid machinery |
| 08/19/2010 | WO2010091454A1 Controller for a liquid supply pump |