| Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663) |
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| 03/05/2009 | DE102007041137A1 Eccentric screw pump's pumping rate optimizing device for oil field, has test stand arranged in oil field to test pump under operating conditions with oil and including controller simulating oil pressure in pump based on borehole's pressure |
| 03/04/2009 | CN201202634Y Engine oil pump for automobile engine |
| 03/04/2009 | CN101379296A Variable displacement variable pressure vane pump system |
| 03/04/2009 | CN100465444C A vane pump using line pressure to directly regulate displacement |
| 02/26/2009 | WO2009024663A2 Gear pump and method of delivering fluid using such a pump |
| 02/26/2009 | WO2009024109A2 Control oil pump having travel-dependent oil pressure control |
| 02/26/2009 | US20090053088 Reduced Rotor Assembly Diameter Vane Pump |
| 02/26/2009 | DE102008037684A1 Verstellflügelpumpe Variable displacement |
| 02/26/2009 | DE102007039589A1 Regelölpumpe mit verstellwegabhängiger Öldruckregelung Rule oil pump with oil pressure control verstellwegabhängiger |
| 02/24/2009 | CA2344430C Rotary machine |
| 02/19/2009 | DE102008037665A1 Verstellflügelpumpe Variable displacement |
| 02/17/2009 | US7491043 Variable displacement pump having a rotating cam ring |
| 02/12/2009 | US20090041593 Variable displacement type gear pump |
| 02/12/2009 | DE202007013162U1 Pumpenbaugruppe zum Fördern von Flüssigkeiten Pump unit for conveying fluids |
| 02/11/2009 | EP2023013A2 Hydrostatic stepless toothed transmission |
| 02/11/2009 | EP2022985A2 Valiable displacement type gear pump |
| 02/05/2009 | DE102007036608A1 Gearwheel pump with variable flow volumes has displacement arrangement in tooth gaps with variable displacement volumes connected to control chamber in base body |
| 02/04/2009 | CN201190660Y Overpressure and ultralow temperature automatic protective system for liquid nitrogen pump skid |
| 02/03/2009 | US7484944 Rotary vane pump seal |
| 01/29/2009 | WO2009012921A1 Pump housing |
| 01/28/2009 | EP2018479A1 Gearwheel pump |
| 01/28/2009 | EP1934478B1 Vane cell pump |
| 01/28/2009 | EP1929155B1 Two-setting variable-eccentricity vane pump |
| 01/27/2009 | US7481102 Method and apparatus for determining the extent of internal wear in a fuel pump of a fuel system |
| 01/22/2009 | WO2009010844A1 Machine for fluid pumping |
| 01/22/2009 | DE102007033194A1 Displacement pump for use with variable displacement volume, has rotor enclosed by adjusting ring, where internal contour of adjusting ring is designed to modify volume of two suction zones or two pressure zones |
| 01/15/2009 | US20090016907 Dynamic balancer with speed-related control mechanism |
| 01/15/2009 | DE112007000479T5 Wirbelerzeuger in einer Ausgleichswelle Vortex generators in a balance shaft |
| 01/15/2009 | DE102007033146A1 Verstellventil für die Verstellung des Fördervolumens einer Verdrängerpumpe Adjusting valve for adjusting the delivery of a positive displacement pump |
| 01/14/2009 | EP2014919A2 Adjustment valve for adjusting the supply volume of a pressure pump |
| 01/14/2009 | CN201180643Y High-pressure gear pump with pressure compensation function |
| 01/14/2009 | CN101346279A Aircraft fuel tank assembly |
| 01/14/2009 | CN100451336C Low idling energy consumption hydraulic power source |
| 01/08/2009 | DE102007030528A1 Rotary displacement machine for conveyance of fluids, has housing provided as machine unit where rotor is accommodated in housing that is provided as another machine unit |
| 01/07/2009 | CN101341339A Two-setting variable-eccentricity vane pump |
| 12/31/2008 | CN101336323A Method for supplying a chemical or chemical compound in a fibrous web machine and an apparatus for implementing the method |
| 12/24/2008 | CN101328889A Scroll machine with continuous capacity modulation |
| 12/18/2008 | DE102007027318A1 Rotationskolbenmaschine Rotary piston engine |
| 12/17/2008 | EP1295037B1 Vane-cell pump |
| 12/10/2008 | EP1999373A1 Variable displacement sliding vane pump |
| 12/10/2008 | CN201162671Y Double-screw pump for deep mine |
| 12/10/2008 | CN101321953A Feed pump |
| 12/03/2008 | CN100439713C Self-controlled pressure-sustaining oil transmission pump set |
| 12/01/2008 | CA2591395A1 Method of automated oil well pump control and an automated well pump control system |
| 11/27/2008 | WO2008142806A1 Gear pump |
| 11/26/2008 | EP1920158B1 Rotary pump |
| 11/26/2008 | EP1436509B1 Variable-delivery vane pump |
| 11/20/2008 | WO2008138711A1 Pump unit with a main pump and a charging pump with a variable pump capacity |
| 11/20/2008 | WO2008138655A1 Hydraulic system having a reversible gear pump |
| 11/19/2008 | EP1992846A1 Oil pump system for vehicle |
| 11/18/2008 | CA2435869C Nutating pump, control system and method of control thereof |
| 11/18/2008 | CA2232175C Wellhead drive brake system |
| 11/13/2008 | WO2008137037A1 Hydraulic pump with variable flow and pressure and improved open-loop electric control |
| 11/13/2008 | WO2008135159A1 Gear pump comprising a non-return valve and a pressure limiting valve |
| 11/12/2008 | CN101303013A Extrusion granulating machine unit gear pump speed control system |
| 11/06/2008 | WO2008133212A1 Damper pulley, method of producing damper pulley, and variable displacement vane pump |
| 11/05/2008 | CN201144803Y Overflow valve suitable for oiling machine gear pump |
| 11/05/2008 | CN100430601C Trochoidal pump |
| 10/30/2008 | WO2008065513A3 A variable-displacement vane oil pump |
| 10/30/2008 | DE102008016212A1 Ausgeglichene Flügelzellenpumpe variabler Förderleistung/Verdrängung mit schwimmenden Stirnflächendichtungen und vorgespannten Flügeldichtungen Balanced vane pump variable capacity / displacement with floating face seals and biased wing seals |
| 10/29/2008 | CN201141357Y Reformed bidirectional oil pumping machine |
| 10/23/2008 | US20080257648 Device and Method for Supplying Lubricating Oil |
| 10/23/2008 | DE102007018692A1 Controllable pump e.g. lubricant pump, for internal combustion engine, has adjusting ring surrounding rotor, and hydraulic connection provided between chamber and effective surface acting on ring in direction |
| 10/22/2008 | CN101292087A Net-displacement control of fluid motors and pumps |
| 10/16/2008 | US20080253904 Oil pump pressure control device |
| 10/15/2008 | EP1979616A1 Variable displacement variable pressure vane pump system |
| 10/15/2008 | EP1979538A1 Method for supplying a chemical or chemical compound in a fibrous web machine and an apparatus for implementing the method |
| 10/15/2008 | CN201133349Y Numerical control oil-submersible electric pump |
| 10/14/2008 | US7437215 Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 10/09/2008 | US20080247894 Vane Pump Using Line Pressure to Directly Regulate Displacement |
| 10/08/2008 | CN201129295Y High pressure gear ring pump internal tooth ring static pressure unloading device |
| 10/08/2008 | CN100424361C Closed electrohydraulic controlling system |
| 10/07/2008 | US7431569 Pump health monitoring |
| 10/02/2008 | US20080240960 Pump |
| 10/02/2008 | US20080240953 Rotary compressor unit and method of controlling operation thereof |
| 10/02/2008 | US20080240939 Compressor Having a High Pressure Slide Valve Assembly |
| 10/01/2008 | EP1558796B1 Device and method for injecting a liquid colour into a polymer melt |
| 10/01/2008 | CN201125864Y Single screw bolt pump set |
| 09/25/2008 | DE102008015280A1 Verstellflügelpumpe Variable displacement |
| 09/24/2008 | EP1537335B1 Device for adjusting the pumping capacity of a lubricant pump for an internal combustion engine |
| 09/24/2008 | CN201121584Y Intelligent oil-gas mixed flow double-screw pump mechanical seal protection system |
| 09/17/2008 | EP1969246A1 Cam-actuated centrifugal brake for preventing backspin |
| 09/17/2008 | CN101268279A Vane-cell pump |
| 09/17/2008 | CN101265901A Proportional amplifier for variable pump composite control |
| 09/17/2008 | CN100419352C Vortex machine with continuous power regulation |
| 09/17/2008 | CN100419267C No-load operation system of tadem pump |
| 09/17/2008 | CN100419265C Motor-mounted internal gear pump and electronic device |
| 09/12/2008 | WO2008106990A1 Compressor device |
| 09/11/2008 | US20080219874 Variable displacement vane pump |
| 09/11/2008 | DE102008012309A1 Verstellflügelpumpe Variable displacement |
| 09/10/2008 | EP1966491A1 Rotary transmission leadthrough and torque transmission device with a rotary transmission leadthrough |
| 09/10/2008 | EP1966047A1 Aircraft fuel tank assembly |
| 09/10/2008 | CN101260882A Variable displacement vane pump |
| 09/10/2008 | CN101260881A Pump |
| 09/03/2008 | EP1965080A1 Electric internal gear pump unit and electric oil pump apparatus |
| 09/03/2008 | CN101255863A Improved double-acting vane pump of port plate |
| 08/28/2008 | WO2008103194A1 Fuel pump for engine |
| 08/28/2008 | US20080206078 Electric pump unit and electric oil pump apparatus |
| 08/28/2008 | DE102008007491A1 Flügelpumpe mit variabler Verdrängung zur Druckregelung Wing variable displacement pump for pressure regulation |
| 08/27/2008 | EP1961961A2 Oil pump pressure control device |