| Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663) |
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| 05/19/2005 | DE10347337A1 Axial vane hydraulic machine for use as stationary or mobile motor or pump has valve body connected to manually operated control handle and has passages admitting fluid to working chambers |
| 05/18/2005 | EP1531271A2 Fuel pump capacity control system for a gas turbine engine |
| 05/18/2005 | EP1531270A2 Vane pump with safety mechanism against wear |
| 05/12/2005 | WO2005042976A1 Double or multiple pump |
| 05/12/2005 | US20050100447 Flow control system for a gas turbine engine |
| 05/12/2005 | US20050098385 Oil supply system for engine |
| 05/12/2005 | DE10222131B4 Verdrängerpumpe mit Fördervolumenverstellung Displacement pump displacement control |
| 05/11/2005 | EP1529958A2 Oil supply system for an IC engine |
| 05/11/2005 | EP1350957B1 Variable displacement vane pump |
| 05/05/2005 | US20050095148 Oil pump |
| 05/04/2005 | DE10343395B4 Hydraulische Maschine Hydraulic machine |
| 05/03/2005 | US6887054 Transition valving by means of non-return valves |
| 05/03/2005 | US6887045 Hydraulic transformer |
| 04/28/2005 | US20050088041 Housing including shock valves for use in a gerotor motor |
| 04/26/2005 | US6884048 Transition valving by means of non-return valves |
| 04/26/2005 | US6884043 Fluid circulation path for motor pump |
| 04/21/2005 | WO2005035988A1 A rotary hydraulic vane machine |
| 04/20/2005 | EP1523623A1 Non-proportional flow control valve for a vane pump |
| 04/14/2005 | US20050079063 Fluid controlled pumping system and method |
| 04/14/2005 | DE10343549A1 Positive-displacement pump with pressure relief valve has casing with fluid chamber |
| 04/13/2005 | EP1522732A2 Variable displacement vane pump with variable target regulator |
| 04/13/2005 | EP1522731A2 Pump health monitoring |
| 04/13/2005 | EP1522730A1 Gear pump with integrated control valve |
| 04/12/2005 | US6877961 Vane pump with a bypass valve and passage arrangement for equalizing excess fluid flow through dual suction passages |
| 04/06/2005 | CN1603627A 变容旋转压缩机 Variable capacity rotary compressor |
| 03/31/2005 | US20050069447 Variable volume flow internal gear pump |
| 03/31/2005 | US20050069422 Variable capacity rotary compressor |
| 03/24/2005 | WO2005026553A1 Pumping system employing a variable-displacement vane pump |
| 03/24/2005 | US20050063854 Dual lobe, split ring, variable roller vane pump |
| 03/24/2005 | US20050063851 Gerotor pumps and methods of manufacture therefor |
| 03/24/2005 | DE10337360A1 Device for controlling a liquid flow onto the pressure side of a volumetric pump, e.g. sliding vane pump, comprises a compression spring which has a progressive spring characteristic |
| 03/23/2005 | EP1516105A1 Internal gear machine with variable capacity |
| 03/17/2005 | US20050058566 Gear motor start up control |
| 03/17/2005 | DE19581945B4 Antriebskopf für eine Bohrlochpumpe Drive head for a downhole pump |
| 03/17/2005 | DE10337865A1 Method of controlling liquid flow to the pressure side of a volumetric pump, especially sliding vane pump, involves throttling or deflecting liquid flow in region of the outlet regulating valve about an adjustable value |
| 03/17/2005 | DE10337849A1 Flüssigkeitspumpe Liquid pump |
| 03/17/2005 | DE10239558B4 Außenzahnradpumpe mit Druckfluidvorladung External gear pump with pressure fluid summons |
| 03/16/2005 | EP1515045A2 Gear motor with start up control |
| 03/08/2005 | US6863504 Fluid pump relief valve |
| 03/03/2005 | WO2005019650A1 Volume flowrate-variable rotor pump |
| 03/03/2005 | US20050047938 Variable displacement pump with a suction area groove for pushing out rotor vanes |
| 03/03/2005 | US20050047930 System for controlling a hydraulic variable-displacement pump |
| 03/03/2005 | DE10297466T5 Flügelzellenpumpe mit einem druckkompensierenden Ventil Vane pump with a pressure compensating valve |
| 03/02/2005 | EP1509698A1 Variable volume flow internal gear pump |
| 03/01/2005 | US6861777 Motor pump with balanced motor rotor |
| 02/24/2005 | WO2005017361A1 Liquid pump |
| 02/24/2005 | DE102004033609A1 Variable Verdrängerpumpe Variable displacement pump |
| 02/24/2005 | DE10190888T5 Hydraulischer Druckwandler Hydraulic pressure transducer |
| 02/22/2005 | US6857862 Roller vane pump |
| 02/17/2005 | US20050036897 Rotary vane pump seal |
| 02/17/2005 | DE102004035743A1 Variable Verdrängungspumpe Variable displacement pump |
| 02/15/2005 | US6855083 Lubrication pump for inter-axle differential |
| 02/15/2005 | US6854257 System for injecting fuel into a turbomachine |
| 02/10/2005 | US20050032602 Lubrication pump for inter-axle differential |
| 02/10/2005 | DE102004010324B3 Variable flow volume rotary pump for pumping fluid has first slide plate containing suction connection and second slide plate containing pressure connection |
| 02/09/2005 | EP1504192A1 Variable-delivery rotary pump, in particular for oil |
| 02/09/2005 | CN1576587A Variable displacement pump |
| 02/09/2005 | CN1576586A Variable displacement pump |
| 02/03/2005 | WO2005010369A1 Oil pump |
| 02/03/2005 | WO2005010367A1 Fluid pump and motor |
| 02/02/2005 | EP1299644B1 Hydraulic transformer |
| 02/02/2005 | CN1573112A Roller vane pump |
| 01/27/2005 | US20050019195 Rotary piston pump |
| 01/27/2005 | US20050019175 Variable displacement pump |
| 01/27/2005 | US20050019174 Variable displacement pump |
| 01/25/2005 | US6847140 Fluid barrier for motor rotor |
| 01/13/2005 | US20050008508 Vane pump having a pressure compensating valve |
| 01/13/2005 | US20050005599 Hydraulic system having a variable displacement pump |
| 01/12/2005 | EP1328729A4 Improved engine prelubrication pump assembly |
| 01/12/2005 | CN1184422C Double speed motor with forced circulation |
| 01/11/2005 | CA2322303C Progressive cavity pump with meltable stator |
| 01/04/2005 | US6837690 Rotary pump with integral hand pump unit |
| 01/04/2005 | US6837688 Overheat protection for fluid pump |
| 12/23/2004 | WO2004111459A1 Fluid pump and motor |
| 12/23/2004 | CA2527859A1 Fluid pump and motor |
| 12/21/2004 | US6832903 Functionalties of axially movable spool valve |
| 12/16/2004 | US20040253119 Port configuration for fuel pump unit for facilitating pressure feedback |
| 12/16/2004 | DE10324093A1 Discharge flow controllable lubricating oil pump for pressure oil supply of an internal combustion engine, comprises accumulator which is in hydraulic connection with spring chamber of discharge flow controller |
| 12/16/2004 | DE10324092A1 Variable output lubricant pump for IC engine has axially adjustable meshing pump wheels displaced by hydraulic pressure and with a hydraulic pressure to supplement the return spring pressure |
| 12/15/2004 | EP1485621A1 System for controlling a hydraulic force pump |
| 12/15/2004 | EP1485620A1 Variable-delivery rotary vane pump |
| 12/15/2004 | EP1485576A1 Variable-delivery central-vane rotary pump, particularly for oil |
| 12/09/2004 | WO2004106742A1 Rotary piston pump with pressure relief |
| 12/09/2004 | US20040247473 Method of controlling shifting of two-speed motor |
| 12/09/2004 | US20040247469 Power-assisted steering pump |
| 12/09/2004 | US20040247463 Variable-delivery vane pump |
| 12/08/2004 | EP1484505A1 Method of controlling shifting of two-speed motor |
| 12/08/2004 | EP1483505A1 Hydraulic system comprising a variable displacement pump |
| 12/07/2004 | US6827562 Method of controlling shifting of two-speed motor |
| 12/02/2004 | US20040238505 Welding method and tubular member and gear pump made using the welding method |
| 11/30/2004 | US6824369 Rotary variable expansible chamber-kinetic hybrid pump |
| 11/25/2004 | DE102004019326A1 Rollenzellenpumpe Roller vane pump |
| 11/24/2004 | EP1478854A2 Motor pump |
| 11/24/2004 | EP1320681B1 Vane pump |
| 11/23/2004 | US6821093 Flow meter |
| 11/18/2004 | US20040228752 External gear pump with pressure fluid pre-loading |
| 11/18/2004 | DE10164813B4 Drehkolbenpumpe Rotary pump |
| 11/16/2004 | US6817847 Rotary pump having a hydraulic intermediate capacity with first and second connections |
| 11/16/2004 | US6817843 Ball check air vent for transmission pump |
| 11/16/2004 | US6817438 Apparatus and a method for adjusting fluid movement in a variable displacement pump |