| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
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| 10/07/2009 | CN100547240C Piezoelectric hydraulic pump |
| 10/07/2009 | CN100547239C Device and method for controlling a slurry pump |
| 10/06/2009 | US7597682 External infusion device with a vented housing |
| 10/01/2009 | WO2009117765A1 Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism |
| 10/01/2009 | US20090246045 Device for Concentrating a Liquid, and Differential Piston Pump |
| 10/01/2009 | DE102008015548A1 High-pressure pump i.e. radial or series piston pump, for fuel injection system of air-compressing self-ignition internal-combustion engine, has anti-twist protection pin indirectly connecting with roller support and housing parts |
| 10/01/2009 | DE102008015547A1 High pressure pump, particularly radial piston pump or in-line piston pump for fuel injection systems of air compressors or self-igniting internal combustion engines, comprises drive shaft that has cam attached to pump assembly |
| 10/01/2009 | DE102008000824A1 Pumpe, insbesondere Kraftstoffhochdruckpumpe Pump, in particular high-pressure fuel pump |
| 09/30/2009 | EP1982104B1 Hydraulic device with a lubricating pump |
| 09/30/2009 | EP1727982B1 Hermetic compressor |
| 09/30/2009 | CN101545471A Pneumatic diving pump |
| 09/30/2009 | CN101545470A Ground hydraulic augmented injection pump |
| 09/30/2009 | CN101545469A Adjustable pressure-proof multihead pump |
| 09/24/2009 | WO2009115866A1 Hydraulically driven machine improvement |
| 09/24/2009 | WO2009115354A1 High-pressure pump |
| 09/24/2009 | DE102008000729A1 High-pressure pump i.e. radial or series piston pump, for fuel injection system of air-compressing self-ignition internal-combustion engine, has cam provided with circular cross section, where center of section is spaced from axis of shaft |
| 09/24/2009 | CA2718631A1 Hydraulically driven machine improvement |
| 09/23/2009 | EP1706641B1 A self-supplied painting roller |
| 09/23/2009 | CN101542118A Electric thrust piston pump device |
| 09/23/2009 | CN101539132A Linear transmission mechanism of reciprocating dynamic machinery |
| 09/23/2009 | CN101537580A Rotary cutting apparatus with oil supply device |
| 09/17/2009 | WO2009113567A1 Micro fluid device |
| 09/17/2009 | WO2009113566A1 Photoresponsive gas-generating material, micropump and microfluid device |
| 09/17/2009 | DE10034239B4 Hydrotransformator Hydro transformer |
| 09/16/2009 | CN101532480A Liquid cycling device |
| 09/10/2009 | DE102008012674A1 Multiple-stroke radial piston pump or radial piston compressor, has pistons coupled with bar such that pistons are moved back and forth at relative rotation of inner part with respect to outer part by forcing bar into cylinders |
| 09/09/2009 | EP1740829B1 Pump |
| 09/09/2009 | CN100538066C Constant plunger hydraulic motor with rotary cylinder with electrohydraulic valve variable torque feeding oil |
| 09/08/2009 | CA2521026C Rear entry stepped pump with frangible member |
| 09/03/2009 | CA2717021A1 Energy extraction apparatus and method |
| 09/02/2009 | CN201301787Y Novel supercharging device of high-pressure water pump |
| 09/01/2009 | US7581935 Device and method for controlling a thick matter pump |
| 09/01/2009 | CA2533850C Reservoir connector |
| 08/27/2009 | WO2009103217A1 A multi-stage diaphragm pump |
| 08/27/2009 | DE202008011231U1 Spender Donor |
| 08/27/2009 | DE202008005216U1 Handpumpe zum Pumpen von Kraftstoff Hand pump for pumping fuel |
| 08/26/2009 | CN201297243Y Minitype manual filling device for centrifugal pump |
| 08/26/2009 | CN100531925C Method for manufacturing such a filled dosing pump |
| 08/26/2009 | CA2623587A1 Fluid pressure powered apparatus |
| 08/25/2009 | CA2356342C Piezoelectric micropump |
| 08/20/2009 | WO2009100858A1 Device for concentrating a liquid by means of a differential piston pump |
| 08/20/2009 | US20090209898 Uninterrupted Flow Pump Apparatus and Method |
| 08/20/2009 | DE102008009195A1 Vorrichtung zum Aufkonzentrieren einer Flüssigkeit mittels einer Differentialkolbenpumpe An apparatus for concentrating a liquid by means of a differential piston pump |
| 08/19/2009 | CN201292926Y Water saving high pressure water flushing pump |
| 08/19/2009 | CN201292925Y Water sucking cylinder |
| 08/19/2009 | CN201292924Y Foam pump |
| 08/19/2009 | CN101512147A Two bolt adjustable centering system |
| 08/19/2009 | CN101512104A Fluid-powered proportioning pump and system for dispensing fluid including pump |
| 08/19/2009 | CN101509478A Water stream potential energy automatic pump |
| 08/19/2009 | CN101509477A Stuff-discharging and pumping method and device |
| 08/19/2009 | CN100529390C 泵装置 Pump device |
| 08/13/2009 | WO2009098095A1 Cam free of transverse force for common-rail high-pressure pumps |
| 08/13/2009 | DE102008009246A1 Hochdruckreinigungsgerät High pressure cleaning equipment |
| 08/13/2009 | DE102008008438A1 High-pressure pump has tappet, which serves for indirect support of piston with longitudinal axis at drive shaft over roller, which is pivotally coupled with tappet |
| 08/12/2009 | EP1497051A4 Hydraulic compression tool and hydraulic compression tool motor |
| 08/12/2009 | CN201288649Y Novel hand pressing deep well water lifting pump |
| 08/12/2009 | CN201288648Y Plunger type manual high pressure rower pump |
| 08/12/2009 | CN201288647Y DF pump applied on manual hydraulic transport trolley |
| 08/12/2009 | CN101503992A Positive displacement type water pump by utilization of sea water surge energy |
| 08/11/2009 | US7572106 Ink pumping apparatus for printing press and ink leak preventing method |
| 08/08/2009 | CA2652192A1 Bifurcated stem foam pump |
| 08/08/2009 | CA2652178A1 Bifurcated foam pump assembly |
| 08/06/2009 | WO2009097338A2 Hydraulic oil well pumping apparatus |
| 08/06/2009 | US20090194471 Reverse osmosis sea water desalination system |
| 08/06/2009 | DE102008007406A1 High pressure pump has plunger, which is provided with longitudinal axis at drive shaft over roller for indirect supporting of piston, where roller is coupled with plunger in rotating manner |
| 08/06/2009 | DE102008007342A1 Querkraftfreier Nocken für Common-Rail-Hochdruckpumpen Lateral force-free cams for common-rail high-pressure pumps |
| 08/06/2009 | CA2750337A1 Hydraulic oil well pumping apparatus |
| 08/05/2009 | EP2084403A2 Pumping arrangement |
| 08/05/2009 | EP2084402A2 Double acting piston pump |
| 08/05/2009 | CN101498284A Follow-up hydraulic capacity increasing system and method |
| 08/05/2009 | CN100523496C Pump |
| 08/05/2009 | CN100523494C High pressure pump for internal combustion engine fuel jet pump |
| 08/05/2009 | CN100522385C Discharging apparatus for producing manual volumetric flow |
| 07/30/2009 | US20090191075 Positive displacement piston pump, for lubication |
| 07/29/2009 | EP2082134A1 Transmission apparatus in homogeniser or high pressure piston pump |
| 07/29/2009 | CN201281008Y Hydrodynamic piston pump |
| 07/29/2009 | CN100518952C Dispenser pump |
| 07/23/2009 | US20090185917 Pressure Exchanger |
| 07/23/2009 | US20090185916 Electrokinetic pump designs and drug delivery systems |
| 07/23/2009 | DE19956703B4 Hydraulisches Lochstanzwerkzeug Hydraulic hole punching tool |
| 07/23/2009 | DE102008000112A1 Piston pump for pumping fluid in measuring device, has piston and piston cylinder, where piston is arranged to carry out reciprocating movement and rotating movement superimposing reciprocating movement relative to piston cylinder |
| 07/22/2009 | CN201277159Y Manual fluid charging device of rubber plug cleaning machine |
| 07/22/2009 | CN201277158Y Hand-shaking oil pump |
| 07/22/2009 | CN201277157Y Oil cylinder direct driving type slush pump |
| 07/22/2009 | CN101487459A Double-functional manual biogas liquid residue discharge pump |
| 07/21/2009 | US7564164 Drive circuit for piezoelectric pump and cooling system that uses this drive circuit |
| 07/15/2009 | CN201273253Y 推挽式液压泵 Push-pull pump |
| 07/15/2009 | CN201273252Y Conveniently-viewing compressor |
| 07/15/2009 | CN201273251Y Easily detachable five-cylinder plunger pump |
| 07/14/2009 | US7559438 Multiple component metering and dispensing system |
| 07/14/2009 | CA2347626C Fluid pressure actuated blood pumping systems and methods with continuous inflow and pulsatile outflow conditions |
| 07/09/2009 | WO2009083095A1 Hydraulic arrangement for a power-actuated actuator |
| 07/08/2009 | CN201269180Y Reclaimed water hoisting man power type multi-purpose pump |
| 07/08/2009 | CN201269179Y Multi-use hand pump with injecting and atomizing functions |
| 07/08/2009 | CN101476553A Rack-and-pinion coupled hydraulic multi-cylinder reciprocating pump |
| 07/07/2009 | US7556480 Fluid pump |
| 07/07/2009 | CA2491298C Pneumatic reciprocating motor |
| 07/02/2009 | DE102007063541A1 Antriebsvorrichtung für Hochdruckreinigungsgerät Drive device for high pressure cleaning equipment |
| 07/02/2009 | DE102007063360A1 Hydraulikanordnung für eine kraftbetätigte Stelleinheit Hydraulic system for a power-operated actuator |
| 07/01/2009 | CN201265498Y Pedaling water supply stage with scenery model |