| Patents for F04B 11 - Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation (1,551) |
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| 01/13/2010 | EP2143946A1 Pump array |
| 01/05/2010 | US7641453 Pulsation reducing apparatus and inspection apparatus |
| 12/31/2009 | DE102008030544A1 Method for monitoring micromechanical pumps comprises measuring electrical signals as input and output parameters of a real path, comparing the real path with a physical mathematical model and evaluating |
| 12/23/2009 | EP2136081A1 Serial type pump comprising a heat exchanger |
| 12/17/2009 | DE102007063360B4 Hydraulikanordnung für eine kraftbetätigte Stelleinheit Hydraulic system for a power-operated actuator |
| 11/19/2009 | DE102008001716A1 Radial piston pump e.g. diesel injection pump, for use with engine of motor vehicle, has piston pump housing in which drive shaft is rotatably arranged, to drive piston, and cylinder head coated externally with noise insulation material |
| 11/04/2009 | EP2113661A1 Pulsation dampener for pulsing supply flows |
| 11/03/2009 | US7610902 Low noise fuel injection pump |
| 10/29/2009 | US20090269230 Piston pump with at least one piston element |
| 10/29/2009 | US20090269227 Piston pump with at least one stepped piston element |
| 10/14/2009 | CN101558240A Electronic camshaft motor control for piston pump |
| 10/08/2009 | WO2009065153A8 Flow pulsatility dampening devices for closed-loop controlled infusion systems |
| 10/07/2009 | EP2107241A2 A Piston Pump Having a Force Sensor and a Method for Controlling Said Pump |
| 09/23/2009 | CN100543305C Compressor |
| 09/17/2009 | DE102008013440A1 Magnetically actuated reciprocating pump for delivering and exact dosing of hydraulic fluid from inlet to outlet area of pump, has hollow chambers of pump that are filled with fluid in currentless condition |
| 09/16/2009 | EP2101100A2 Vibration-decoupling device for hydraulics |
| 09/15/2009 | US7588423 Pump for liquid chromatograph |
| 09/08/2009 | US7585161 Compressor |
| 09/08/2009 | US7585158 Piston engine comprising a pulsation-reducing device |
| 08/20/2009 | DE102007028059B4 Hubkolbenpumpe zum Fördern einer Flüssigkeit Reciprocating pump for conveying a liquid |
| 08/19/2009 | CN100529391C Piston pump with at least one piston element |
| 08/06/2009 | US20090196778 Liquid discharge control apparatus |
| 07/30/2009 | US20090191076 Tunable choke tube for pulsation control device used with gas compressor |
| 07/23/2009 | US20090185922 Fuel pump |
| 07/16/2009 | WO2009065153A3 Flow pulsatility dampening devices for closed-loop controlled infusion systems |
| 07/14/2009 | US7559753 Double disc pump with fixed housing block |
| 07/08/2009 | EP2076673A2 Electronic camshaft motor control for piston pump |
| 07/08/2009 | CN101479473A Inlet throttle controlled liquid pump with cavitation damage avoidance feature |
| 07/02/2009 | DE102007063360A1 Hydraulikanordnung für eine kraftbetätigte Stelleinheit Hydraulic system for a power-operated actuator |
| 07/01/2009 | CN100506023C Distribution method of various component material and compensation method of conversion of reciprocating pump |
| 06/23/2009 | US7550088 Continuously desalinating sea water by reverse osmosis, where salt water is introduced under first pressure into pressure compensating device, salt water is introduced from pressure compensating device at second increased pressure and separated into desalinated water and concentrated sea water |
| 06/18/2009 | US20090155108 Hyperbolic horn for pulsation filter device used with gas compressor |
| 05/22/2009 | WO2009062538A1 Hplc-system with variable flow rate |
| 05/20/2009 | EP2060788A1 Method for operating a pump assembly and pump assembly |
| 05/06/2009 | CN101427024A Metering pump device |
| 04/16/2009 | DE102007049152A1 Hydraulische Kolbenpumpe Hydraulic Piston Pump |
| 04/09/2009 | US20090092511 Heart-shaped cam constant flow pump |
| 04/07/2009 | US7513240 High pressure fuel pump provided with damper |
| 04/01/2009 | EP2042730A2 Improved delivery compensation unit. |
| 03/25/2009 | EP1514027B1 High-pressure small volume pump |
| 03/24/2009 | US7506574 Self-tightening cover for pump |
| 03/12/2009 | US20090068041 Low Back-Flow Pulsation Fuel Injection Pump |
| 03/11/2009 | EP2032851A1 Inlet throttle controlled liquid pump with cavitation damage avoidance feature |
| 03/05/2009 | DE102007028059A1 Hubkolbenpumpe zum Fördern einer Flüssigkeit Reciprocating pump for conveying a liquid |
| 02/11/2009 | CN101365877A Gas volume damping device for damping discharge pulsations in a medium being pumped |
| 01/29/2009 | WO2009013175A1 Pump, particularly high-pressure fuel pump |
| 01/22/2009 | WO2009010191A1 Piston pump and operating method therefor |
| 01/22/2009 | DE102007033231A1 Component has bearing part, particularly spring element, which is provided for vibration decoupling, and drive unit is fastened by spring element elastically in bearing part |
| 01/15/2009 | DE102007031909A1 Rotary pump e.g. lubricating oil pump, for motor vehicle, has muzzle region formed such that cell base near rotation axis ends in overlapping by rotary drive of transport wheel, while cell region is still in overlap with sealing surface |
| 01/07/2009 | EP2010785A1 Metering pump |
| 12/31/2008 | EP1864018B1 Lifting piston fuel pump and method for starting and operating a motor vehicle heating system |
| 12/25/2008 | US20080317618 Pulsation pressure decreased type pump for vehicle slip control system |
| 12/24/2008 | EP2006539A2 Reciprocating piston pump for transporting a liquid |
| 12/23/2008 | US7467927 Pumping arrangement |
| 12/18/2008 | US20080310988 Vane Pump |
| 11/27/2008 | US20080292483 Gas Volume Damping Device for Damping Discharge Pulsations in a Medium Being Pumped |
| 11/26/2008 | CN100436818C Metering pump with gas removal device |
| 11/20/2008 | DE10210300B4 Pumpenelement für eine Hochdruckpumpe und Hochdruckpumpe mit steuerbarer Fördermenge Pump element for a high pressure pump and high pressure pump with controllable flow |
| 11/04/2008 | US7445435 Double-acting reciprocating downhole pump |
| 10/23/2008 | DE102007017731A1 Pump for brake assembly of vehicle, has anchoring unit arranged between electromagnet and readjusting device, pulled or pushed using electromagnet, and separating working chamber from another working chamber in fluid-tight manner |
| 10/21/2008 | CA2466467C Hydraulic multiphase pump |
| 09/25/2008 | US20080232989 Regulator flow noise prevention for fuel system of a vehicle |
| 09/04/2008 | DE102007010002A1 Hydraulic machine, e.g. variable displacement hydraulic pump, includes knitted wire fabric to suppress transmission of body noise and attenuate vibrations |
| 09/04/2008 | DE102006016571B4 Verfahren und Vorrichtung zum automatisierten Fördern von Flüssigkeiten oder Gasen Method and device for automated delivery of liquids or gases |
| 08/27/2008 | EP1960667A1 Gas volume damping device for damping discharge pulsations in a medium being pumped |
| 08/27/2008 | EP1960665A1 Hydrostatic piston machine comprising an initial starting flow in the direction of the periphery |
| 08/21/2008 | WO2008039787A3 Electronic camshaft motor control for piston pump |
| 08/13/2008 | CN100409925C Method and device for desalinating water while overcoming decreases in pressure |
| 07/30/2008 | EP1950416A1 Low vibration pump |
| 07/30/2008 | EP1546557B1 Metering pump with gas removal device |
| 07/30/2008 | CN100406734C Pump |
| 07/29/2008 | US7404704 Manifold assembly for reciprocating pump |
| 07/24/2008 | US20080175735 Inlet pressure attenuator for single plunger fuel pump |
| 07/22/2008 | US7401594 Damper mechanism and high pressure fuel pump |
| 07/17/2008 | DE102007001485A1 Verdrängerpumpe Displacement pump |
| 07/15/2008 | CA2502736C Method and device for desalinating water while overcoming decreases in pressure |
| 07/09/2008 | EP1941161A1 Load-pressure-controlled feed flow regulator with vibration damping |
| 07/03/2008 | WO2008077758A1 High-pressure piston pump |
| 07/03/2008 | WO2008077725A1 Multiple membrane pump for food liquids and the like |
| 07/03/2008 | WO2008077408A1 Pump for feeding urea to an engine exhaust system |
| 07/03/2008 | DE102006061558A1 Fuel delivery device for internal combustion engine of motor vehicle, has adjustable throttle device arranged upstream to suction valve, where outlet of throttle device is arranged directly proximate to suction valve |
| 06/25/2008 | EP1936187A1 Multiple membrane pump for food liquids and the like |
| 06/25/2008 | CN101208517A Lifting piston fuel pump and method for starting and operating a motor vehicle heating system |
| 06/10/2008 | US7384248 Fuel metering pump |
| 05/20/2008 | US7374409 Reciprocating pump |
| 05/08/2008 | DE102006052226A1 Hydraulic work machine e.g. axial piston machine, for use as e.g. piston pump, has additional suction valve which is provided parallel to inlet control arrangement by which operating area is connected with pressurizing medium inlet |
| 05/08/2008 | DE102006052225A1 Hydraulic machine e.g. radial piston machine, has pistons rotatable by drive relative to inlet to adjust effective inlet cross section to respective working chamber, where relative position of each piston is individually adjustable to inlet |
| 05/07/2008 | CN101175921A Load-pressure-controlled feed flow regulator with vibration damping |
| 04/24/2008 | DE19958257B4 Halboffener Hydraulikkreislauf Semi-open hydraulic circuit |
| 04/16/2008 | EP1910672A1 Hydraulic accumulator |
| 04/10/2008 | US20080085202 Damper and Vacuum Pump |
| 04/09/2008 | EP1560637B1 Method and device for desalinating water while overcoming decreases in pressure |
| 04/03/2008 | DE102006046457A1 Dosing device for metering out free-flowing substances has a flexible membrane to apply pressure onto a substance to be dosed out along with a storage device and a pulsation absorber |
| 03/06/2008 | DE102006017301B4 Pumpe Pump |
| 02/28/2008 | WO2001008719A3 Blood treatment system providing pulsatile flow and method of use |
| 02/28/2008 | US20080050283 Microfluidic devices and methods of use |
| 02/20/2008 | EP1831547B1 Piston pump provided with at least one step piston element |
| 01/31/2008 | DE102006035054A1 Hydraulic damper for use with vehicle brake assembly piston pump, has damping unit that is arranged with mass spring unit, and bending spring located at pressure-turned away side of spring unit, where spring unit has sealing lip |
| 01/30/2008 | CN101113772A Hydraulic damper for use with vehicle brake assembly piston pump |
| 01/10/2008 | WO2008005114A1 Inlet throttle controlled liquid pump with cavitation damage avoidance feature |