| Patents for F04C 14 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (3,663) |
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| 01/11/2012 | EP2404062A1 Direct control linear variable displacement vane pump |
| 01/04/2012 | CN101014758B Concentric internal combustion rotary engine |
| 12/29/2011 | WO2011161117A2 Continuously variable volume hydrostatic rotary piston machine |
| 12/29/2011 | DE102010051141B3 External gear-oil pump for combustion engine, has two gear wheels arranged in housing, and control piston arranged in stepped bore, where bore is formed as through-hole of housing and closed at side by cover |
| 12/28/2011 | EP2399030A1 Device for restricting the throughflow quantity at a pump, and pump arrangement having a device of this type |
| 12/28/2011 | EP2049800B1 Feed pump |
| 12/28/2011 | CN202091194U 一种带流量调节阀的高压泵 A high-pressure pump with a flow control valve |
| 12/22/2011 | WO2011158167A2 Fluidic gear machine with flow rate regulation |
| 12/21/2011 | EP2396554A1 Controller for a liquid supply pump |
| 12/15/2011 | DE102011102259A1 Außenzahnradpumpe External gear pump |
| 12/08/2011 | DE102010023068A1 Flügelzellenpumpe Vane pump |
| 12/07/2011 | EP2392826A2 Frame rotated hydraulic motor with improved parking brake |
| 12/07/2011 | CN202065174U 螺杆泵直驱伺服拖动系统 Screw direct drive servo drive system |
| 12/01/2011 | WO2011147457A1 Variable displacement lubricant pump |
| 11/30/2011 | CN202056230U 一种螺杆泵防反转全自动刹车装置 One kind of screw anti-reverse automatic brakes |
| 11/23/2011 | CN202047982U Multiple gear pump stepped variable system |
| 11/17/2011 | WO2011141130A1 Method for operating an internal combustion engine having a multi-stage oil pump |
| 11/17/2011 | WO2011119464A3 Rotary infusion pumps |
| 11/17/2011 | DE102010020356A1 Schmiermittelpumpe, Regelkolben Lubricant pump, control piston |
| 11/15/2011 | US8057201 Variable displacement vane pump with dual control chambers |
| 11/10/2011 | WO2011054660A3 Positive displacement pump |
| 11/09/2011 | CN102239076A Hydraulic power steering system |
| 11/03/2011 | WO2011134449A2 Hydraulic transport device and electrohydraulic control module |
| 11/03/2011 | US20110268595 Variable Capacity Vane Pump |
| 11/02/2011 | CN202023738U Rotating speed intelligent control system for oil-immersed screw pump |
| 11/01/2011 | US8047822 Continuously variable displacement vane pump and system |
| 10/27/2011 | WO2010145862A3 Fuel pump with an overflow valve and a bypass valve |
| 10/27/2011 | US20110262289 Vane air motor |
| 10/26/2011 | CN102227559A Fluid device with flexible ring |
| 10/20/2011 | WO2011128164A1 Pump assembly |
| 10/20/2011 | CA2796148A1 Gear pump with continuous variable output flow rate |
| 10/18/2011 | US8038420 Variable displacement vane pump |
| 10/18/2011 | US8038417 Electric pump unit and electric oil pump apparatus |
| 10/12/2011 | EP2375073A1 Sealing for the control chamber of a variable displacement lubricant pump |
| 10/11/2011 | CA2665889C High-speed gear pump |
| 10/06/2011 | WO2011122413A1 Branched duct construct, and uniaxial eccentric screw pump system |
| 10/06/2011 | WO2011121045A2 Variable displacement lubricant pump |
| 10/05/2011 | CN202001106U Front end component of engine |
| 10/05/2011 | CN102207087A Fluid rotation machine |
| 10/05/2011 | CN102207086A Fluid rotation machine with a sensor assembly |
| 09/29/2011 | WO2011119464A2 Rotary infusion pumps |
| 09/29/2011 | DE102010012850A1 Fluid-Rotationsmaschine mit einer Sensoranordnung Rotary fluid machine including a sensor arrangement |
| 09/29/2011 | DE102010012848A1 Fluid-Rotationsmaschine Fluid rotary machine |
| 09/29/2011 | CA2793661A1 Rotary infusion pumps |
| 09/21/2011 | EP2366414A2 Dual chamber and gear pump assembly for a high pressure delivery system |
| 09/15/2011 | WO2010146087A3 A variable-displacement lubricant pump |
| 09/14/2011 | CN102182776A Full-automatic reverse rotation preventing brake device for screw |
| 09/14/2011 | CN101251108B Oil pump pressure control device |
| 09/09/2011 | WO2011107156A1 Variable displacement lubricant pump |
| 09/08/2011 | DE102010009839A1 Adjustable pump e.g. adjustable vane pump, has chamber arranged adjacent to stator, where medium is acted upon chamber, and pressing force of medium acts against holding force of holder unit, and chamber is arranged at pump outlet |
| 09/06/2011 | US8011908 Variable capacity pump with dual springs |
| 09/01/2011 | DE102010009471A1 Controllable hydraulic oscillating slide machine e.g. oil pump, for use in motor vehicle, has slide drivers coupled with piston, where pressure level in chambers is adjusted different than pressure level in other chambers |
| 08/31/2011 | EP2361351A2 Fluid device with flexible ring |
| 08/31/2011 | CN102171457A Delivery unit |
| 08/30/2011 | US8007248 Engine speed dependent oil pump pressure regulation |
| 08/18/2011 | WO2011098270A1 Operational control device for a positive-displacement pump, pump system and method for operating the like |
| 08/18/2011 | DE102010005984A1 Controlled oil pump for use as external gear wheel pump for supplying engine oil for lubricating internal combustion engine of motor car, has oil channels guided from pressure side of oil pump to side of pistons opposite to pressure side |
| 08/17/2011 | EP2357363A1 Operational management device for a positive displacement pump, pump system and method of operating such |
| 08/17/2011 | CN201934308U 具有防干运行保护系统的单螺杆泵 Dry run protection system with anti-single screw pump |
| 08/17/2011 | CN102155405A Intelligent revolving speed control system and control method for submersible oil screw pump |
| 08/16/2011 | US7997882 Reduced rotor assembly diameter vane pump |
| 08/11/2011 | DE202005021925U1 Flügelzellenpumpe Vane pump |
| 08/11/2011 | DE10222131C5 Verdrängerpumpe mit Fördervolumenverstellung Displacement pump displacement control |
| 08/10/2011 | CN201928227U 一种电机直驱螺杆泵反转抑制装置 A motor direct drive screw reverse suppression device |
| 08/10/2011 | CN102146916A Variable displacement pump, oil jet and lublicating system using variable displacement pump |
| 08/09/2011 | US7993116 Variable displacement vane pump |
| 08/03/2011 | EP2351934A1 Variable-displacement lubricant pump |
| 08/03/2011 | CN102141040A Multi-gear pump stepped variable system |
| 08/03/2011 | CN102141038A 叶片泵 Vane pump |
| 08/02/2011 | US7988431 Capacity-variable rotary compressor |
| 07/28/2011 | US20110182760 Adjustable rotary pump with reduced wear |
| 07/21/2011 | DE102010004594A1 Standard oil pump has pump casing, two promotion gear wheels combing with one another, and shift unit to control oil pressure or delivery rate of pump |
| 07/20/2011 | EP2235374B1 Variable-volume internal gear pump |
| 07/13/2011 | EP2342118A1 Hydraulic power steering system |
| 07/13/2011 | CN201896742U Oil pump of safety regulating valve |
| 07/13/2011 | CN102121473A Scroll machine with continuous capacity modulation |
| 07/06/2011 | CN201891603U Spiral sleeve clearance adjustment structure of double-screw oil-gas multiphase pump |
| 06/30/2011 | DE102009060189A1 Regulating device for adjusting delivery volume of e.g. lubricating oil pump, that is utilized for internal combustion engine of motor vehicle, has adjusting body moving back and forth relative to base, and forming inlet and outlet ports |
| 06/29/2011 | CN201884280U Assembling unit of hydraulic pump (gear pump or vane pump) and pressure control valve |
| 06/22/2011 | EP2336590A2 Pump aggregate for a double clutch transmission of a motor vehicle |
| 06/22/2011 | CN102101495A Pump apparatus and control method for controlling the pump apparatus |
| 06/17/2011 | CA2688801A1 Shear coupling assembly for use with rotary and reciprocating pumps |
| 06/16/2011 | DE10201490B4 Hydraulikdrucksteuergerät für ein Automatikgetriebe eines Fahrzeugs Hydraulic pressure control device for an automatic transmission of a vehicle |
| 06/16/2011 | DE102010054268A1 Flügelzellenpumpe mit variabler Verstellung Vane pump with variable displacement |
| 06/15/2011 | EP2331822A2 Delivery unit |
| 06/15/2011 | EP1540174B1 Cam ring bearing for fuel delivery system |
| 06/15/2011 | CN102094817A Infinitely variable control compressor for water chiller and loading control method for infinitely variable control compressor |
| 06/08/2011 | CN201858145U Valve bank reversing type gear pump |
| 06/02/2011 | US20110129376 Pulse pressure decreasing type variable oil pump |
| 06/02/2011 | US20110129355 Method for Controlling the Vacuum Generator(s) in a Vacuum Sewage System |
| 06/01/2011 | EP2327881A2 Adjustable wear-resistant rotary pump |
| 06/01/2011 | DE102009056218A1 Schraubenspindelpumpe mit integriertem Druckbegrenzungsventil Screw Pump with integrated pressure relief valve |
| 05/31/2011 | USRE42408 Oil pump and gears |
| 05/26/2011 | DE102009047131A1 Internal gear pump for delivering fuel in internal combustion engine, has internally toothed ring and externally toothed pinion cooperating with toothed ring |
| 05/25/2011 | CN102072151A Method for controlling operation of screw pump well by utilizing dynamic control chart of screw pump well |
| 05/25/2011 | CN102072149A Variable displacement pump |
| 05/18/2011 | CN101379296B Variable displacement variable pressure vane pump system |
| 05/17/2011 | US7942567 Extruder system with integrated gear pump |
| 05/10/2011 | CA2493686C Cam ring bearing for fuel delivery system |
| 05/04/2011 | CN102042220A Method for adjusting gear backlash of non-meshing rotors |