| Patents for F04B 11 - Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation (1,551) |
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| 12/29/2011 | DE102010030626A1 Pulsationsdämpferelement für eine Fluidpumpe und zugehörige Fluidpumpe Pulsationsdämpferelement for a fluid pump and associated fluid pump |
| 12/22/2011 | DE102010030342A1 Kolbenpumpe Piston pump |
| 12/14/2011 | CN102282370A 用于输送糊状物料的方法和用于输送糊状物料的泵装置 Method for transporting material and a paste pumping means for conveying pasty material |
| 12/14/2011 | CN101113772B 用于汽车制动设备-活塞泵的液压减震器 For automotive braking equipment - piston pump hydraulic shock absorbers |
| 11/23/2011 | EP2387667A1 Method for feeding pasty masses and pump device for feeding pasty masses |
| 11/23/2011 | CN101052802B Liquid discharge control apparatus |
| 11/16/2011 | CN102242702A Valve flow distribution reciprocating pump with precursor supercharging device |
| 11/15/2011 | US8057200 Structure of discharging refrigerant for linear compressor |
| 11/10/2011 | DE102010019821A1 Reciprocating piston pump for e.g. dosing fuel for auxiliary heating system in motor vehicle, has membrane dimensioned with respect to outer diameter, thickness and support such that membrane does not completely rest against magnetic coil |
| 11/09/2011 | CN102235336A Valve flow-distribution reciprocating pump with induced wheel |
| 11/01/2011 | US8047120 Hydraulic piston pump with a balance valve |
| 10/27/2011 | WO2011100134A4 Flow pulsatility dampening devices |
| 10/26/2011 | CN102226516A Method and device for preventing boiler waste heat recovery hot water from causing cavitation on boiler feed pump |
| 10/20/2011 | DE102010027773A1 Pulsation damping capsule, particularly for use in connection to pressure side of piston pump, has durable metal casing which is enclosed by liquid impermeable mass, where mass is manufactured by using elastic paint |
| 10/18/2011 | US8038083 Fuel injector |
| 10/13/2011 | WO2011126367A2 Phase shift controller for a reciprocating pump system. |
| 10/13/2011 | US20110250084 Mud pump modules with surge dampeners |
| 10/13/2011 | CA2795538A1 Phase shift controller for a reciprocating pump system |
| 10/12/2011 | EP2375070A1 Reciprocating type piston pump and method of operation thereof |
| 10/05/2011 | CN202001233U Cam driving mechanism for multi-cylinder reciprocating pump |
| 09/22/2011 | WO2011115180A1 Hydraulic pump/motor and method for preventing pulsation of hydraulic pump/motor |
| 09/21/2011 | EP2366068A2 Ultrasonic waveguide pump and method of pumping liquid |
| 09/20/2011 | US8021103 Pressure activated flow path seal for a steam turbine |
| 09/07/2011 | CN201963508U 一种凝结水回收防汽蚀装置 A water recycling condensation anti-cavitation device |
| 09/03/2011 | CA2708201A1 The use of surface roughness to reduce, eliminate and/or prevent the air entrained vortex or submerged vortex from being produced when water or liquid is pumped by pump |
| 08/31/2011 | EP2362102A1 Metering pump aggregate |
| 08/31/2011 | CN101479473B Inlet throttle controlled liquid pump with cavitation damage avoidance feature |
| 08/25/2011 | WO2011101118A1 Dosing pump unit |
| 08/23/2011 | CA2499939C Metering pump with gas removal device |
| 08/23/2011 | CA2485552C High-pressure small volume pump |
| 08/18/2011 | WO2011100134A1 Flow pulsatility dampening devices |
| 08/18/2011 | CA2789139A1 Flow pulsatility dampening devices |
| 08/03/2011 | EP2351926A1 Fuel feed system |
| 07/29/2011 | CA2729435A1 Pressure pulse interaction management in a multiple pump system |
| 07/26/2011 | US7984671 Self-tightening cover for pump |
| 07/20/2011 | EP1960665B1 Hydrostatic piston machine comprising an initial starting flow in the direction of the periphery |
| 07/14/2011 | WO2011083901A1 Sealing-type reciprocating compressor |
| 07/07/2011 | DE10029080B4 Verfahren und Vorrichtung zur Geschwindigkeitsmodulation für einen pulsationsfreien Betrieb einer Pumpe Method and device for speed modulation for a pulsation-free operation of a pump |
| 06/29/2011 | CN102112741A Synchronization of supply flow paths |
| 06/15/2011 | EP2333342A1 Damping arrangement and pump with a damping arrangement |
| 06/09/2011 | DE112008003968T5 Synchronisation von Zufuhrströmungspfaden Synchronization of supply flow paths |
| 06/03/2011 | WO2011065334A1 Reciprocation pump and dialysis device comprising same |
| 06/01/2011 | DE202011004143U1 Pumpeinrichtung für einen Flüssigkeitsvorhang und Streicheinrichtung Pumping device for a liquid curtain coater |
| 05/26/2011 | US20110123376 High-Pressure Fuel Supply Pump and Discharge Valve Unit Used Therein |
| 05/17/2011 | US7942650 Liquid discharge control apparatus including a pump and accumulator with a movable member |
| 05/12/2011 | WO2011054948A1 Housing with intersecting passages for high pressure fluid applications |
| 05/12/2011 | US20110110808 High-pressure pump |
| 05/12/2011 | US20110110807 High-pressure pump |
| 05/12/2011 | US20110110793 Suction stabilizer for pump assembly |
| 05/12/2011 | DE102009046578A1 Pulsation damper for hot beverage preparation device, particularly coffee machine, has damper base with base plate with upper surface with inlet and outlet, connections, support and elastic membrane |
| 05/11/2011 | EP2320084A1 Housing with intersecting passages for high pressure fluid applications |
| 05/11/2011 | CN102052277A Condensed water recycling cavitation-resistant device |
| 05/10/2011 | CA2450707C Double-acting reciprocating downhole pump |
| 05/05/2011 | US20110103985 Fuel pump with an improved damping device for a direct injection system |
| 05/04/2011 | EP2317119A1 Fuel pump with an improved damping device for a direct injection system |
| 04/28/2011 | DE102009045230A1 Pressure control unit for conveyer system, particular lifting piston pump, has stroke element propelled by drive component, which is guided in hole and forms chamber |
| 04/14/2011 | DE102008046060B4 Hydraulische Endlagendämpfung einer Hubkolbenpumpe Hydraulic Cushioning a reciprocating pump |
| 04/12/2011 | US7921845 Muffler of linear compressor |
| 04/06/2011 | EP1671031B1 Fluid pump, particularly high-pressure fuel pump |
| 02/15/2011 | US7887305 Flexible tank and a chemical liquid supply apparatus using the same |
| 01/12/2011 | EP2273115A1 Fluid pump, particularly high-pressure fuel pump, having pressure damper |
| 01/06/2011 | WO2011000602A1 Multi-piston pump |
| 01/04/2011 | US7865338 Suppression of vibrations |
| 12/16/2010 | DE102009017918A1 Verfahren und Vorrichtung zur pulsationsfreien volumetrischen Förderung von Fluiden und Suspensionen Method and apparatus for pulsation-free volumetric production of fluids and suspensions |
| 12/07/2010 | US7845920 Oil pump |
| 11/10/2010 | EP2249033A2 Equalization of the supply flow of oscillating pressure pumps |
| 11/04/2010 | WO2010124741A1 Determining fluid compressibility while delivering fluid |
| 10/06/2010 | CN101855548A HPLC-system with variable flow rate |
| 09/29/2010 | CN201593485U Rigid self compensating twin-cam pair structure |
| 09/15/2010 | CN101832245A Double-plunger pulse-free flow combining method and direct-drive plunger pump |
| 09/09/2010 | US20100226806 Active electric accumulator |
| 08/26/2010 | WO2010073130A3 Dampener apparatus and method |
| 08/19/2010 | US20100209274 Damper device and high pressure pump having the same |
| 08/12/2010 | WO2010070482A3 Ultrasonic waveguide pump and method of pumping liquid |
| 08/11/2010 | CN101802400A Piston pump and operating method therefor |
| 07/28/2010 | EP2210086A1 Hplc-system with variable flow rate |
| 07/22/2010 | WO2010081695A1 Method for feeding pasty masses and pump device for feeding pasty masses |
| 07/22/2010 | CA2749386A1 Method for feeding pasty masses and pump device for feeding pasty masses |
| 07/20/2010 | US7757663 Electromagnetic drive mechanism and a high-pressure fuel supply pump |
| 07/01/2010 | US20100166586 Hermetic compressor |
| 06/29/2010 | CA2430915C Fluid and fuel delivery systems reducing pressure fluctuations and engines including such systems |
| 06/24/2010 | WO2010070482A2 Ultrasonic waveguide pump and method of pumping liquid |
| 06/23/2010 | EP2199609A2 Axial piston machine with reduced pulsation |
| 06/17/2010 | DE102008062483A1 Axialkolbenmaschine mit Pulsationsminderung Axial piston with pulsation |
| 06/17/2010 | DE102008061828A1 Hydrostatic pump i.e. axial piston pump, has drive shaft rotatably supported in housing, so that rotary motion of drive shaft is superimposed with oscillation movement in terms of avoidance of pulsation by actuator |
| 06/17/2010 | DE102008061827A1 Hydrostatic machine, particularly axial piston machine, has housing and unit, which is attached to housing for reducing vibrations of housing or adjacent components |
| 06/17/2010 | DE102008061406A1 Hydraulic machine i.e. axial piston pump, and drive motor arrangement for use in motor vehicle, has vibration damper with annular body that is made of elastomer, where body has central hole and damping mass elements are embedded in body |
| 06/16/2010 | CN1678442B Method and device for pouring plastic raw material liquid |
| 05/11/2010 | CA2382668C Fluid driven mud pump |
| 05/06/2010 | US20100107904 system and method for fluid flow control |
| 05/06/2010 | DE102008046060A1 Reciprocating piston pump for conveying or dosing of hydraulic fluid, has pump piston which is guided in cylindrical element that is carried through drive in oscillating lifting movement, where pump chamber is limited in axial direction |
| 04/27/2010 | US7704061 Oil pump |
| 04/14/2010 | EP2174006A1 Piston pump and operating method therefor |
| 03/30/2010 | US7685866 Leakage checking and calibrating of a liquid delivery system |
| 03/11/2010 | DE102008061349A1 Hydrostatische Kolbenmaschine mit Pulsationsminderungsvorrichtung Hydrostatic piston machine with Pulsationsminderungsvorrichtung |
| 02/11/2010 | WO2010015460A1 Method for operating a multi-pulse piston pump, multi-pulse piston pump, and the production thereof |
| 02/11/2010 | WO2010015279A1 Synchronization of supply flow paths |
| 02/11/2010 | DE102009015674A1 Hydraulic aggregate for two-circuit motor vehicle brake system, has damping unit provided between pressure side of pump and load, where damping unit is provided as independently manageable module and placed as module in body |
| 01/14/2010 | US20100008803 High-pressure small volume pump |
| 01/14/2010 | DE102008032740A1 Pumpenanordnung Pump assembly |