| Patents for F04B 11 - Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation (1,551) |
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| 05/01/2013 | CN103080546A Piston pump for delivering fluids, and associated vehicle brake system |
| 04/30/2013 | US8430655 High-pressure pump |
| 04/25/2013 | US20130101441 Peristaltic pumping apparatus and method |
| 04/16/2013 | US8419391 High pressure pump |
| 04/16/2013 | US8419383 Piston pump and operating method therefor |
| 04/04/2013 | WO2013045598A2 Positive displacement pump and operating method thereof |
| 04/04/2013 | CA2861136A1 Positive displacement pump and operating method thereof |
| 03/26/2013 | US8402656 Diaphragm damper and method of production and production apparatus of same |
| 03/20/2013 | CN101558240B Electronic camshaft motor control for piston pump |
| 03/14/2013 | US20130064698 Fluid feed pump, fluid circulation device, medical device and electronic device |
| 03/14/2013 | DE10251342B4 Verfahren und Vorrichtung zum Entsalzen von Wasser mit Druckabfallüberbrückung Method and apparatus for desalinating water pressure drop bridging |
| 03/12/2013 | US8393881 Mechanism for restraining fuel pressure pulsation and high pressure fuel supply pump of internal combustion engine with such mechanism |
| 02/28/2013 | WO2013026446A1 Device for controlling a piston pump unit for liquid chromatography |
| 02/28/2013 | US20130052064 High pressure pump |
| 02/28/2013 | DE102011053148A1 Radial piston pump used in vehicle, has check valves that are arranged in extension of pressure oil bores in housing cover provided with pressure accumulating chamber, and delivery piston which is provided in cylinder bores |
| 02/05/2013 | US8366421 Fluid pressure pulsation damper mechanism and high-pressure fuel pump equipped with fluid pressure pulsation damper mechanism |
| 01/31/2013 | WO2013013865A1 Piston pump for delivering fluids, and corresponding assembly process for a piston pump |
| 01/31/2013 | DE102011108588A1 Damper assembly for use with attachment for attaching nozzle of pump, has locking member for locking to pump is formed at one end of attachment, where attachment has two portions for arranging inlet channel and outlet channel respectively |
| 01/31/2013 | DE102004002489B4 Fluidpumpe, insbesondere Kraftstoff-Hochdruckpumpe Fluid pump, in particular high-pressure fuel pump |
| 01/23/2013 | CN102893028A Phase shift controller for reciprocating pump system |
| 01/10/2013 | DE112011100941T5 Hydraulikpumpe/-Motor und Verfahren des Unterdrückens eines Pulsierens der/des Hydraulikpumpe/-Motors Hydraulic pump / motor and method of suppressing the pulsation / hydraulic pump / motor |
| 12/26/2012 | CN102052277B Condensed water recycling cavitation-resistant device |
| 12/25/2012 | US8337179 Device for reducing hydraulic-fluid oscillation in a hydraulic system |
| 12/25/2012 | US8337145 Quiet blower apparatus and system and method for reducing blower noise |
| 12/20/2012 | DE19706116C5 Vorrichtung zur Pulsationsminderung an hydrostatischen Verdrängereinheiten Device for pulsation of hydrostatic displacement units |
| 12/19/2012 | EP2533831A1 Flow pulsatility dampening devices |
| 12/19/2012 | CN202612019U Device for preventing generation of vortex |
| 12/12/2012 | CN202597011U Engine-driven hydraulic pump |
| 12/05/2012 | CN102812244A Hydraulic pump/motor and method for preventing pulsation of hydraulic pump/motor |
| 12/04/2012 | US8323008 Pumps and pump-heads comprising internal pressure-absorbing member |
| 11/29/2012 | WO2012091508A3 Compressor |
| 11/28/2012 | CN102794123A Dual chamber mixing pump |
| 11/27/2012 | US8317501 Damper device, high pressure pump having the same and manufacturing method of the same |
| 11/27/2012 | US8317489 Refrigerant compressor |
| 11/21/2012 | CN102792023A Reciprocation pump and dialysis device comprising same |
| 11/15/2012 | WO2012152472A1 Arrangement for throttling a fluid flow and corresponding piston pump for transporting fluids |
| 11/07/2012 | CN1489672B Method for reducing noise and cavitation in machines and pressure exchangers which pressurize or depressurize fluids by means of displacement principle |
| 10/31/2012 | CN102762864A Dosing pump unit |
| 10/10/2012 | CN202483821U Energy-saving electric pump |
| 10/04/2012 | US20120251367 Pump pressure control valve with shock reduction features |
| 10/03/2012 | EP2505836A1 Reciprocation pump and dialysis device comprising same |
| 10/03/2012 | CN202468191U Cavitation-proof port plate |
| 09/20/2012 | US20120237378 Shunt pulsation trap for cyclic positive displacement (pd) compressors |
| 09/20/2012 | DE102011001378A1 Kolben-Zylinder-Einheit für eine Kolbenpumpe, insbesondere für die Hochleistungsflüssigkeitschromatographie Piston-cylinder unit for a piston pump, particularly for high performance liquid chromatography |
| 09/19/2012 | CN102678537A Actuator for automatic discharging device of air flotation circulating pump |
| 09/12/2012 | EP2496284A2 Flow pulsatility dampening devices for closed-loop controlled infusion systems |
| 09/11/2012 | US8262376 High-pressure pump |
| 09/05/2012 | CN202417861U Cavitation-preventing turbine condensation device |
| 08/30/2012 | DE102011012321A1 System zur Zumessung von Fluid System for metering of fluid |
| 07/26/2012 | WO2012100192A1 Pump pulsation discharge dampener with dual pressure drop tube assemblies having unequal sizes |
| 07/26/2012 | WO2012097901A1 Spring element and corresponding piston pump for delivering fluids |
| 07/26/2012 | DE102011002982A1 Federelement und korrespondierende Kolbenpumpe zur Förderung von Fluiden Spring element and corresponding piston pump for conveying fluids |
| 07/19/2012 | DE10152633B4 Schraubenkompressor Screw compressor |
| 07/18/2012 | CN102597514A Housing with intersecting passages for high pressure fluid applications |
| 07/05/2012 | WO2012091508A2 Compressor |
| 07/05/2012 | DE102010063322A1 Kolbenpumpe mit einer Halterung Piston pump with a holder |
| 07/04/2012 | EP1156219B1 Fluid device such as pump and accumulator |
| 07/04/2012 | CN101802400B Piston pump and operating method therefor |
| 06/28/2012 | DE102010064114A1 Pumpe mit einer Drossel Pump with a throttle |
| 06/21/2012 | WO2012079815A1 Piston pump having a holder |
| 06/21/2012 | DE102010063544A1 Kolbenpumpe, insbesondere für eine hydraulische Fahrzeugbremsanlage Piston pump, in particular for a hydraulic vehicle brake system |
| 06/13/2012 | CN102498293A Rotary piston pump for metering a coating agent |
| 06/07/2012 | WO2012072494A1 A chromatography pump |
| 06/07/2012 | US20120141303 Fluid control system |
| 06/07/2012 | CA2819114A1 A chromatography pump |
| 05/30/2012 | EP2458211A1 Differential pressure control valve and variable displacement compressor having the differential pressure control valve |
| 05/29/2012 | US8186977 Pumping system |
| 05/23/2012 | CN102472259A 多活塞泵 Multi-piston pump |
| 05/18/2012 | WO2012028363A3 Piston pump for delivering fluids, and associated vehicle brake system |
| 05/16/2012 | DE102010050928A1 Liquid delivery system of engine circuit of internal combustion engine for motor vehicle, has series resonator with several chambers for damping pressure pulsations of liquid, that is connected in series with liquid pump in fluid line |
| 05/10/2012 | WO2012028362A3 Arrangement for throttling a fluid flow, and corresponding piston pump for delivering fluids |
| 05/10/2012 | DE102011115849B3 Metering pump for use as electromagnetically driven reciprocating pump in e.g. truck, has metallic mold in damper whose bias is adjusted by rotation of socket relative to outlet or by rotation of atomization device relative to socket |
| 05/09/2012 | EP2449262A1 Multi-piston pump |
| 05/09/2012 | CN202215452U Device for preventing chilling water pump from cavitating in coal-based methanol to propylene process |
| 05/03/2012 | DE102010050163A1 Displacement machine for combustion engine of motor vehicle, has nozzle that is arranged at one end of return line to re-circulate pressurized fluid injected in direction of suction opening so that displacement is accelerated |
| 05/02/2012 | CN102439309A Determining fluid compressibility while delivering fluid |
| 05/02/2012 | CN102434420A Gas etching preventing distribution disk |
| 04/26/2012 | DE102011075518A1 Anordnung zur Drosselung einer Fluidströmung und korrespondierende Kolbenpumpe zur Förderung von Fluiden Arrangement for restricting fluid flow and corresponding piston pump for conveying fluids |
| 04/25/2012 | EP2444667A1 Bootstrap accumulator system with telescoping actuator cylinder |
| 04/25/2012 | CN202203071U 液体计量泵 Liquid metering pumps |
| 04/24/2012 | US8162635 Low vibration pump |
| 04/18/2012 | EP2174006B1 Piston pump and operating method therefor |
| 04/12/2012 | WO2012047283A2 Three element diaphragm damper for fuel pump |
| 04/12/2012 | US20120087817 Three element diaphragm damper for fuel pump |
| 04/11/2012 | CN102410171A 具有流出结构的活塞泵和具有这种活塞泵的汽车制动系统 Piston pump with the outflow structure and having such a piston pump Automotive Brake Systems |
| 03/22/2012 | DE102010041002A1 High-pressure pump for fuel injector of internal combustion engine, comprises pump element, which has liftable guided pump piston that is supported indirectly by sleeve-shaped plunger |
| 03/21/2012 | EP2430309A1 Determining fluid compressibility while delivering fluid |
| 03/08/2012 | DE102010040218A1 Damping element for piston pump of vehicle brake assembly, has damping chamber that is filled with disc-shaped attenuation mediums having two front ends which are limited by attenuation membranes |
| 03/08/2012 | DE102010040193A1 Kolbenpumpe mit einer Abströmung Piston pump with a flow-off |
| 03/08/2012 | DE102010040157A1 Kolbenpumpe zur Förderung von Fluiden und zugehörige Fahrzeugbremsanlage Piston pump for conveying fluids and associated vehicle brake system |
| 02/21/2012 | US8118573 Piston pump with at least one piston element |
| 02/16/2012 | WO2011020552A3 Rotary piston pump for metering a coating agent |
| 02/16/2012 | WO2010118740A3 Method and apparatus for the pulsation-free volumetric delivery of fluids and suspensions |
| 02/08/2012 | CN102345578A Method and device used for preventing cavitation of chilling water pump in process of preparing propylene from coal-based methanol |
| 02/02/2012 | DE19963480B4 Geregeltes Bremssystem mit einer exzentergetriebenenKolbenpumpe Controlled braking system with a exzentergetriebenenKolbenpumpe |
| 01/17/2012 | US8096790 Oil pump resonator |
| 01/11/2012 | CN102312809A Pulsation damper element for a fluid pump and associated fluid pump |
| 01/11/2012 | CN102312808A Pulsation damper for fluid pump and corresponding fluid pump |
| 01/03/2012 | CA2693311C Double-acting reciprocating downhole pump |
| 12/29/2011 | DE102010030627A1 Pulsationsdämpferelement für eine Fluidpumpe und zugehörige Fluidpumpe Pulsationsdämpferelement for a fluid pump and associated fluid pump |