Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663)
01/2013
01/09/2013EP2542783A1 Variable displacement lubricant pump
01/09/2013CN102869858A Method for operating an internal combustion engine having a multi-stage oil pump
01/09/2013CN102865227A Automatic braking force regulating device for screw oil pump
01/09/2013CN102865226A Adjustable variable vane pump with rotating oar
01/08/2013US8348646 Variable displacement vane pump
01/08/2013US8348645 Balanced pressure, variable displacement, dual lobe, single ring, vane pump
01/08/2013CA2633204C Method of calculating pump flow rates and an automated pump control system
01/03/2013WO2011161117A3 Continuously variable volume hydrostatic rotary piston machine
01/02/2013CN202646004U Oil-gas mixed transmission pump using automatic fluid infusion
01/02/2013CN102121473B Scroll machine with continuous capacity modulation
01/02/2013CN101280845B Split-pressure dual pump hydraulic fluid supply system for a multi-speed transmission and method
01/01/2013US8342826 Variable capacity vane pump
12/2012
12/27/2012WO2012016552A3 External gear pump
12/27/2012US20120328463 Split discharge vane pump and fluid metering system therefor
12/27/2012DE102011104049A1 Pumpe Pump
12/27/2012DE102011077949A1 Zahnradpumpe Gear pump
12/26/2012EP2538082A2 Gear pump with variable delivery volume
12/26/2012CN102844570A Variable displacement lubricant pump
12/26/2012CN102840134A Hydraulic control mechanism for vanes
12/19/2012CN202612095U Safety device for screw rod oil-well pump
12/19/2012CN202612094U PTG conveying pump
12/19/2012CN202612093U Gear oil pump
12/19/2012CN102828949A Boleiyin remote transmission device
12/19/2012CN102828947A Method and device for adjusting the compression in a vane cell pump
12/13/2012DE19908174B4 Fluidpumpe mit einem Kanal zur Reduzierung einer Druckschwingung Fluid pump with a channel for reducing a pressure pulsation
12/13/2012DE102011104109A1 Control piston for vane pump for supplying lubricant to internal combustion engine of motor car, has base body whose end side forms pins, where base body is not formed with undercut with respect to longitudinal axial direction
12/13/2012DE102006024293B4 Schmiermittelversorgungsvorrichtung mit einer Schmiermittelpumpe mit integriertem Regelventil Lubricant supply device with a lubricant pump with integrated control valve
12/06/2012WO2012164466A1 Rotary vacuum pump, in particular for motor vehicles, and related control method
12/06/2012DE102010038430B4 Verdrängerpumpe mit Absaugnut Displacement pump with suction groove
12/05/2012CN202579174U Intelligent direct current refueling pump
12/05/2012CN202579173U Reverse hydraulic brake mechanism for screw pump driving device
12/04/2012US8322323 Fluid system for oscillating-piston engines
11/2012
11/29/2012WO2012159985A1 Pump
11/29/2012WO2011134449A3 Hydraulic transport device and electrohydraulic control module
11/29/2012WO2011073787A3 Cam bearing flow control for rotating cam ring vane pump
11/29/2012US20120301342 Variable Displacement Pump
11/29/2012DE102012207672A1 Variable Verdrängerpumpe Variable displacement pump
11/29/2012CA2836502A1 Pump
11/28/2012CN1875189B Double or multiple pump
11/28/2012CN102797674A Variable displacement pump
11/22/2012WO2012155500A1 Variable pump, engine and automobile
11/22/2012WO2011129776A4 Gear pump with continuous variable output flow rate
11/22/2012DE102011076060A1 System for supplying fluid, particularly fuel e.g. diesel for motor vehicle for use in high pressure injection system of internal combustion engine, has high pressure pump, feed pump and unit for controlling flow rate
11/21/2012CN102788014A Gear oil pump tooth surface wearing fault diagnosis device and method
11/21/2012CN102788013A Variable pump, engine and automobile
11/14/2012CN202531421U Intelligent frequency conversion power-assisted steering pump for new energy vehicle
11/14/2012CN202531420U Soiling solution elevating device
11/08/2012DE102012103406A1 Variable flow pump i.e. vane pump, operating method, involves adjusting compensation force in one adjustable pressure chamber on hardhole during stationary operation, and control force works against flow in another adjustable chamber
11/07/2012CN102767517A Air-suction mode fault diagnostic device and method for gear oil pump
11/07/2012CN101268279B Vane-cell pump
10/2012
10/31/2012DE102011050018A1 Pumpen-System Pump system
10/31/2012CN102762865A Operational control device for a positive-displacement pump, pump system and method for operating the like
10/26/2012WO2012143595A1 Speed regulator
10/25/2012DE102011018394A1 Displacement pump e.g. oil pump, for supplying oil to lubricate internal combustion engine of motor car, has rotor comprising recess inserted into chamber wall and retaining part of operating medium in chamber in standstill state of pump
10/25/2012DE102010040302B4 Öffnungszeitpunkt eines Bypasskanals einer Verdrängerpumpe Opening time of a bypass channel of a positive displacement pump
10/24/2012CN102748280A Capacity-variable compressor
10/18/2012DE112009004295T5 Verfahren und Vorrichtung zum Dosieren von Fluidzusammensetzungen Method and apparatus for dispensing fluid compositions
10/10/2012CN202483867U Dual-gear fuel pump for mobile refueling tank truck
10/09/2012US8282369 Variable displacement vane pump with defined cam profile
10/04/2012WO2011129776A3 Gear pump with continuous variable output flow rate
10/03/2012CN202468306U Flow controlling vane pump
10/03/2012CN202468304U Voltage limiting type variable vane pump
10/03/2012CN102705232A Pump device
10/03/2012CN102182776B Full-automatic reverse rotation preventing brake device for screw
09/2012
09/27/2012DE102011014591A1 Vane pump for use as oil pump for supplying lubricating oil to e.g. moving parts of internal combustion engine, has pump control ring made of material having thermal expansion coefficient larger than or equal to that of material of housing
09/26/2012CN202451424U Portable electric oil feeding pump
09/26/2012CN202451423U Automatic-regulation limited-pressure type variable pump
09/26/2012CN102691657A Intelligent DC petrol pump
09/20/2012WO2011104163A3 Oscillating slide machine
09/19/2012EP2500568A2 Downhole backspin retarder for progresssive cavity pump
09/19/2012EP2499371A2 Positive displacement pump
09/19/2012CN102678543A Gear pump and mobile unit for adjusting conveying capacity
09/13/2012WO2012120213A1 Combustion engine lubrication system comprising a variable-displacement oil pump
09/13/2012WO2012120095A2 A hydraulic device
09/13/2012WO2012120094A2 A gerotor pump, a gerotor motor and a gerotor transmission system
09/13/2012DE102011013756A1 Gear pump, particularly oil pump for internal combustion engine, has control valve, which is additionally connected with outlet over throttle in position of piston for connecting control fluid in fluid conducting manner
09/12/2012EP2497951A1 Georotor hydraulic device with capacity control valve provided within the shaft
09/12/2012EP2497950A1 Georotor pump with capacity control valve provided rotatable within the shaft.
09/12/2012CN102667160A Positive displacement pump
09/05/2012EP2495443A2 Pump and its use
09/05/2012CN202417938U Reversion-stopping screw pump with one-way valve
09/04/2012US8257057 Variable displacement vane pump
08/2012
08/30/2012WO2012113488A1 Fuel delivery device and method for actuating a fuel delivery device
08/30/2012WO2012113437A1 A variable displacement lubricant pump with a pressure control valve having a preload control arrangement
08/30/2012DE102010040300B4 Geometrie eines Bypasskanals einer Verdrängerpumpe Geometry of a bypass channel of a positive displacement pump
08/28/2012CA2639450C System and method for controlling a progressing cavity well pump
08/23/2012US20120213655 Oil Pump
08/23/2012DE102011011791A1 Method for regulating pressure of adjustable hydraulic pumps for supplying lubricating oil in combustion engine of motor car, involves providing delivery pressure of hydraulic pump against effective area of control piston
08/23/2012DE102011011690A1 Verstellbare Flügelzellenpumpe mit einem Ausnehmungen aufweisenden Schieber Variable displacement vane pump with recesses having slide
08/22/2012CN202391729U Two-stage air-control pressure regulating device for pumps
08/22/2012CN102644590A Adjustable vane cell pump with stator comprising recesses
08/22/2012CN102644589A Oil pump
08/16/2012DE102011010835A1 Verdrängerpumpe Displacement pump
08/15/2012EP2487368A2 Thermally efficient multiple stage gear pump
08/15/2012CN102635556A Coolant pump which exhibits an adjustable delivery volume
08/09/2012DE102011000533A1 Variable displacement pump for steering system of motor vehicles, has rotor elements that coincide with point contact, which are made to abut against sintered cam track
08/01/2012CN202360385U Rotor protection device during inversion of screw pump
08/01/2012CN202360384U Steering oil pump safety valve
07/2012
07/31/2012US8231359 Pump unit comprising a main pump and a charge pump with a variable pump capacity
07/31/2012US8230975 Device and method for supplying lubricating oil
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