| Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663) |
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| 06/05/2013 | CN202971180U Direct-driving remote servo control system of oil well screw pump based on continuous movable fluid level sensor |
| 05/30/2013 | WO2013075946A1 Fuel delivery system for a vehicle |
| 05/29/2013 | DE112011102277T5 Fahrzeugkraftübertragungssystem Vehicle power transmission system |
| 05/29/2013 | CN202954969U Automatic closed-loop control device for screw pump |
| 05/29/2013 | CN103122852A Reversal control device of screw pump |
| 05/29/2013 | CN103122851A Intelligent control method of direct drive screw pump |
| 05/23/2013 | US20130129554 Lubricant pump and control piston |
| 05/23/2013 | DE102011086681A1 Kraftstofffoerdersystem fuer ein Fahrzeug Kraftstofffoerdersystem for a vehicle |
| 05/22/2013 | EP2594796A2 Bi-directional pump |
| 05/22/2013 | CN103119300A Variable-displacement lubricant vane pump |
| 05/16/2013 | WO2013069101A1 Operational state switching device for variable capacity pump |
| 05/16/2013 | WO2013068142A1 Valve device for a hydraulic circuit, and oil-pump regulating arrangement |
| 05/16/2013 | WO2011137890A3 Lubricant valve for oil pumps of internal combustion engines |
| 05/16/2013 | DE102012219361A1 Fluid system i.e. hydraulic oil system, for powertrain of motor car, has fluid displacement unit representing transmission element in powertrain and comprising controller for to- and/fro flowing volumetric stream |
| 05/16/2013 | DE102011086175B3 Rotationspumpe mit verbesserter Abdichtung Rotary pump with improved sealing |
| 05/16/2013 | DE102011055194A1 Hydraulikpumpenanordnung Hydraulic pump assembly |
| 05/15/2013 | EP2592273A2 Hydraulic pump assembly |
| 05/10/2013 | WO2013020869A3 Rotary piston machine operating as a pump, a compressor or a motor |
| 05/10/2013 | WO2012079573A3 Vane pump and method for operating a vane pump |
| 05/10/2013 | WO2011149842A3 Multiphase pump flow recirculation system |
| 05/08/2013 | CN103089613A Metering gear pump with integral flow indicator |
| 05/02/2013 | WO2012095274A3 Method for operating a pump that is driven by an electric motor in a power-optimized manner in the event of low volumetric flow rates |
| 05/01/2013 | EP2587063A2 Metering gear pump with integral flow indicator |
| 05/01/2013 | EP2585719A2 Continuously variable volume hydrostatic rotary piston machine |
| 04/25/2013 | WO2013058225A1 Remote monitoring system of uniaxial eccentric screw pump |
| 04/25/2013 | WO2013057752A1 Vane-type hydraulic device |
| 04/24/2013 | EP2584141A1 Adjustable vane pump |
| 04/24/2013 | EP2582981A2 Fluidic gear machine with flow rate regulation |
| 04/24/2013 | CN103062048A 可调节的叶片泵 Adjustable vane pump |
| 04/24/2013 | CN101675247B Gear pump |
| 04/23/2013 | US8425210 Two-setting variable-eccentricity vane pump |
| 04/23/2013 | CA2711195C Progressive cavity apparatus with transducer and methods of forming and use |
| 04/23/2013 | CA2688801C Shear coupling assembly for use with rotary and reciprocating pumps |
| 04/17/2013 | CN103047132A Power-assisted steering pump with adjustable speed-sensitive flow quantity |
| 04/11/2013 | WO2013049929A1 Pre-compression dual spring pump control |
| 04/11/2013 | US20130089437 Micro-sized fluid metering pump |
| 04/11/2013 | DE102011114995A1 Oil pump for system of motor vehicle, has base body, pump mechanism and control unit which is provided for dosing resource oil, where pump mechanism is provided for conveying resource oil |
| 04/11/2013 | DE102011114892A1 External gear oil pump used for lubricating oil supply of internal combustion engine, has conveying stages whose pressure sides are combined, while connecting suction sides to cover of pump housing via suction channel |
| 04/11/2013 | CA2851317A1 Pre-compression dual spring pump control |
| 04/10/2013 | EP2577067A1 Variable displacement lubricant pump |
| 04/03/2013 | CN202851343U Oil transportation control system of gear oil pump |
| 04/03/2013 | CN202851342U Screw pump control device |
| 04/03/2013 | CN103026068A External gear pump |
| 04/03/2013 | CN103016321A System and method for managing and controlling water pump based on cloud computing |
| 03/28/2013 | WO2011158167A3 Fluidic gear machine with flow rate regulation |
| 03/28/2013 | DE102012213564A1 Schmiermittelsystem Lubrication system |
| 03/28/2013 | DE102011083278A1 Lubrication system for lubricating e.g. internal combustion engine used in motor vehicle, has control valve that is opened or closed based on lubricant pressure of orifice |
| 03/27/2013 | EP2573398A2 Lubricant system with capacity control valve |
| 03/27/2013 | CN202833148U Long-distance halt alarming device for screw rod pump |
| 03/27/2013 | CN202833147U Real-time monitoring device for screw pump oil production |
| 03/27/2013 | CN202833146U Submersible direct-drive screw rod pump |
| 03/27/2013 | CN103003599A Vehicular power transmitting system |
| 03/21/2013 | WO2013038221A1 Single chamber variable displacement vane pump |
| 03/21/2013 | US20130071275 Variable displacement lubricant pump |
| 03/21/2013 | US20130071274 Vacuum pumping system |
| 03/20/2013 | EP2569519A1 Method for operating an internal combustion engine having a multi-stage oil pump |
| 03/14/2013 | DE10138187B4 Mengenregelbare Flügelzellenpumpe A volume-controllable vane pump |
| 03/13/2013 | CN202789517U Oil-producing control device of screw pump on basis of underground multi-parameter real-time monitoring |
| 03/07/2013 | WO2013029662A1 Lubricant vane pump |
| 03/07/2013 | DE102006025532B4 Verstellbare Verdrängerpumpe Variable displacement pump |
| 03/06/2013 | EP2564068A2 Hydraulic transport device and electrohydraulic control module |
| 03/06/2013 | CN102953984A Control method and equipment for direct-driving screw pump soft stop |
| 02/27/2013 | CN102943652A Screw pump system |
| 02/26/2013 | US8382461 Vane cell pump and impeller having a chamber wall with a projecting web |
| 02/21/2013 | WO2012052240A3 Pendulum-slide cell pump |
| 02/20/2013 | CN202746199U 液压控制机构 Hydraulic control mechanism |
| 02/20/2013 | CN202746196U Metering liquid pump |
| 02/19/2013 | US8376724 Gear pump enabling efficient pump capacity change |
| 02/14/2013 | US20130039790 Variable displacement lubricant pump |
| 02/14/2013 | DE102011109686A1 Operating medium pump for internal combustion engine of motor vehicle, comprises drive shaft and pump housing, which has suction opening for sucking operating medium, where suction opening defines joining direction of suction pipe |
| 02/13/2013 | CN202732338U Fault diagnosis device for suction mode of gear oil pump |
| 02/13/2013 | CN202732337U Fault diagnosis device for tooth face wear of gear oil pump |
| 02/13/2013 | CN202732336U Hydraulic reverse-rotation preventing device |
| 02/13/2013 | CN102933849A Cam bearing flow control for rotating cam ring vane pump |
| 02/13/2013 | CN102927001A Method by utilizing switch reluctance motor speed regulating system for screw pump oil extraction |
| 02/13/2013 | CN102926455A Partial-vacuum closed drainage system and control method of drainage system |
| 02/13/2013 | CN102155405B Intelligent revolving speed control system and control method for submersible oil screw pump |
| 02/13/2013 | CN102072151B Method for controlling operation of screw pump well by utilizing dynamic control chart of screw pump well |
| 02/13/2013 | CN101251115B Autonomous decentralized system for n-multiple system of water feeding apparatus |
| 02/07/2013 | DE102012213416A1 Flügelzellenpumpe mit verstellbarer Durchflussmenge A vane pump with adjustable flow rate |
| 01/31/2013 | US20130028770 Variable Displacement Pump |
| 01/31/2013 | DE102012210453A1 Verstellpumpe Variable |
| 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 | EP2551525A2 Variable-flow oil pump comprising a system for regulating oil pressure according to temperature |
| 01/30/2013 | EP2550039A2 Rotary infusion pumps |
| 01/30/2013 | CN202707479U Frequency-adjusting automatic control system for heavy constituent pot discharge pump |
| 01/30/2013 | CN202699703U Balance cavity controlling device for hemodialysis machine |
| 01/30/2013 | CN102906426A Variable displacement lubricant pump |
| 01/30/2013 | CN102906425A Gear pump with continuous variable output flow rate |
| 01/30/2013 | CN102900668A Variable displacement pump |
| 01/24/2013 | WO2011063870A3 Screw pump having an integrated pressure limiting valve |
| 01/23/2013 | DE202012104802U1 Lenkhilfepumpe Power steering pump |
| 01/23/2013 | CN102893030A Branched duct construct, and uniaxial eccentric screw pump system |
| 01/22/2013 | US8356986 Compressor |
| 01/17/2013 | US20130017112 Control circuit for transmission variable displacement pump with improved efficiency |
| 01/16/2013 | EP2546481A1 Relief device for oil pump |
| 01/16/2013 | CN202673675U Direct drive hydraulic brake device for screw pump |
| 01/16/2013 | CN102878076A Variable displacement hydraulic pump control |
| 01/10/2013 | WO2013005906A1 Scroll compressor |
| 01/10/2013 | WO2012083207A3 Apparatus for the intermittent application of a liquid to pasty medium onto an application surface |