| 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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| 02/09/2011 | CN101970875A Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism |
| 02/08/2011 | CA2367987C Reciprocating fluid machines |
| 02/04/2011 | CA2709048A1 Artificial lift and transfer pump |
| 02/03/2011 | WO2011012696A2 Device to deliver fluid products or suchlike and relative method |
| 02/03/2011 | WO2011012692A2 Device to deliver fluid products or suchlike and relative method |
| 02/02/2011 | EP2280169A2 Airless spray pump |
| 02/02/2011 | CN201730782U Hand-operated water pump head |
| 02/02/2011 | CN201730781U Water storage type manual pump and water supply device thereof |
| 02/02/2011 | CN201730780U Hydraulically driven difunctional multi-cylinder slurry pump |
| 02/02/2011 | CN101965274A Hydraulic arrangement for a power-actuated actuator |
| 01/27/2011 | WO2010118535A4 Artificial lift and transfer pump |
| 01/27/2011 | US20110020155 Ultra high pressure pump with an alternating rotation to linear displacement mechanism |
| 01/27/2011 | DE102009029840A1 Hydrauliksystem Hydraulic system |
| 01/27/2011 | DE102009027937A1 High-pressure fuel pump i.e. radial piston pump, for fuel injection system of internal-combustion engine of motor vehicle, has pump element with piston that is driven by cam shaft, where step-up gear unit is integrated into pump |
| 01/27/2011 | CA2767523A1 Fluid delivery system comprising a fluid pumping device and a drive system |
| 01/26/2011 | EP2278161A2 Piston pump with multiple pistons |
| 01/26/2011 | EP2167818B1 High-pressure fuel pump with roller tappet |
| 01/26/2011 | CN201723395U Hydraulic dual high fluid pump |
| 01/26/2011 | CN201723394U Hydraulic motive power high-pressure pump |
| 01/26/2011 | CN201723393U Control system of injection pump of shield tail |
| 01/26/2011 | CN101956687A Double-acting piston pneumatic pump |
| 01/20/2011 | WO2011008715A2 Dispensing pump |
| 01/20/2011 | WO2011007916A1 Pumping device of fluid container and press button |
| 01/19/2011 | CN201714613U Pneumatic hydraulic pump capable of providing hydraulic power source to hydraulic cylinder |
| 01/19/2011 | CN201714612U High-pressure hydraulic power pump |
| 01/19/2011 | CN201714611U Hydraulic power pump |
| 01/19/2011 | CN101949375A Pedal type water pump |
| 01/18/2011 | US7871250 Chemical liquid supplying apparatus |
| 01/13/2011 | WO2011005571A2 Readily removable pump crosshead |
| 01/13/2011 | WO2011003657A1 High-pressure fuel pump |
| 01/12/2011 | EP2273114A1 Reciprocating pump with electronically monitored air valve and piston |
| 01/12/2011 | CN201705604U Pedaled water-pumping vehicle |
| 01/12/2011 | CN201705603U Portable single pillar dust-proof water booster pump for mine |
| 01/12/2011 | CN101943149A Portable pneumatic drive oil injection device |
| 01/06/2011 | WO2011000598A1 High pressure pump |
| 01/06/2011 | WO2010124900A3 Polygonal ring for driving a piston pump, piston pump comprising such polygonal ring and method for making the polygonal ring |
| 01/06/2011 | CA2674010A1 Pneumatic motorized multi-pump system |
| 01/05/2011 | EP2268922A1 Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism |
| 01/05/2011 | CN201696247U Manual high-pressure oil pump |
| 01/05/2011 | CN201696246U Pneumatic hydraulic pump |
| 01/05/2011 | CN201696245U Hydraulic automatic augmented injection pump |
| 01/05/2011 | CN201696244U Lifting oil pump used in driving cabs |
| 01/05/2011 | CN201696243U Lifting oil pump for cab |
| 01/05/2011 | CN201696242U Double-plunger high-pressure infusion pump for liquid chromatograph |
| 01/04/2011 | US7861388 Method of manufacturing a cell driving type piezoelectric/electrostrictive actuator |
| 01/04/2011 | CA2427032C Oil pressure operated pump for marine steering gears |
| 12/30/2010 | US20100326069 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 12/29/2010 | CN201687679U Foot-operated pressure water well device |
| 12/29/2010 | CN201687678U Pneumatic plunger pump |
| 12/29/2010 | CN101929449A Hydraulic drive liquid booster pump |
| 12/29/2010 | CN101512147B Two bolt adjustable centering system |
| 12/29/2010 | CN101334013B Electro-hydraulic switch torque-changing oil-dispensing type rotating cylinder barrel type quantitative plunger piston hydraulic motor |
| 12/22/2010 | CN201679669U Rotary pumping device and concrete stirring and pumping integrated machine |
| 12/22/2010 | CN201679667U Low-flow-resistance self-absorption rubber manual pump |
| 12/22/2010 | CN201679666U Manual pump |
| 12/22/2010 | CN201679665U Hydraulic pump |
| 12/22/2010 | CN201679664U Pump body |
| 12/22/2010 | CN101922428A Manual double-cylinder residue discharging pump of biogas pool |
| 12/22/2010 | CN101922427A Bidirectional booster plunger pump |
| 12/22/2010 | CN101922426A Cargo handling system for high-pressure hydraulic cargo |
| 12/16/2010 | WO2010143496A1 Solenoid operated valve device |
| 12/16/2010 | WO2010143469A1 Double reciprocation pump |
| 12/16/2010 | US20100313996 Hand held peristaltic pump for dispensing fluid from a rigid container |
| 12/16/2010 | DE102009015939A1 Dämpferkompressor und Verfahren zum Erzeugen von Druckluft durch eine Dämpfung einer Relativbewegung zwischen einer Achse und einem Chassis eines Fahrzeugs Damper compressor and method for generating compressed air by a damping a relative movement between an axle and a chassis of a vehicle |
| 12/15/2010 | EP2259876A2 Hand held peristaltic pump for dispensing fluid from a rigid container |
| 12/15/2010 | CN201671781U Pump and portable water purifying device |
| 12/15/2010 | CN201671780U Horizontal double-cylinder material pulp pumping device |
| 12/15/2010 | CN201671779U Pneumatic hydraulic grouting pump |
| 12/15/2010 | CN201671592U Dual power grouting pump |
| 12/15/2010 | CN1961152B Drive device for a dual-cylinder slurry pump and method for operating said pump |
| 12/15/2010 | CN101624976B Method for pumping water through combination of road pressure and water buoyance in automobile driving |
| 12/15/2010 | CN101328872B Picking pump of water jet loom |
| 12/14/2010 | US7853362 Method and device for regulating fluid pump pressures |
| 12/14/2010 | CA2551999C Device of miniaturised construction for producing high pressure in a fluid to be atomised |
| 12/14/2010 | CA2473681C Device of miniaturised construction for producing high pressure in a fluid to be atomised |
| 12/09/2010 | DE102009026740A1 High-pressure pump i.e. radial piston pump, for e.g. petrol engine of car, has piston supported on shaft to execute stroke movement and to change conveying capacity of pump by changing stroke difference of piston |
| 12/09/2010 | DE102009026735A1 High-pressure pump e.g. high pressure storage fuel-lubricated radial piston pump, for common rail system of internal-combustion engine, has gear for converting rotating movement of shaft over cam, where cam is formed as double cam |
| 12/09/2010 | DE102009026732A1 High-pressure pump e.g. high-pressure memory fuel-lubricated three-seal-radial piston pump, for common rail system of passenger car, has gear for converting rotating movement of shaft over cam, where cam is formed as three-fold cam |
| 12/09/2010 | DE102009026729A1 High-pressure pump i.e. radial piston pump, for common rail system of internal-combustion engine, has cam gear for converting rotating movement of shaft over cam into stroke movement of piston, where cam is formed as four-fold cam |
| 12/09/2010 | DE102009026724A1 High-pressure pump i.e. three-seal-radial piston pump, for common rail system of passenger car, has gear for converting rotating movement of shaft over cam into hub movement of piston, where cam is formed as three-fold cam |
| 12/09/2010 | DE102009023667A1 Valve-controlled radial piston machine for use as radial piston pump, has piston supported at rotatable lifting arc, where lifting arc has cam sections, and cylinder piston units evenly distributed at circumference of cylinder body |
| 12/08/2010 | EP2258951A1 Photoresponsive gas-generating material, micropump and microfluid device |
| 12/08/2010 | EP2035265B1 Vehicle brake system piston pump |
| 12/08/2010 | CN201666237U Treadle type hydraulic pump |
| 12/08/2010 | CN201666236U High viscosity pneumatic plunger pump |
| 12/08/2010 | CN101907081A High-altitude fluid conveying device |
| 12/02/2010 | DE102009026610A1 High-pressure pump for high pressure injection system for internal combustion engine, particularly for motor vehicle, has parallel axle that is aligned parallel to central longitudinal axis |
| 12/01/2010 | EP2256349A1 Micro fluid device |
| 12/01/2010 | EP2255945A1 Electrically operated hydraulic drive device as auxiliary generator for an injection moulding machine |
| 12/01/2010 | CN201661437U Semiautomatic manpower water supply machine |
| 12/01/2010 | CN201661436U Screw reversing pneumatic pump |
| 12/01/2010 | CN201661435U Self-suction hydraulic cement mortar pump |
| 12/01/2010 | CN101900095A Device and method of lifting liquid by gas |
| 11/30/2010 | US7841843 Valveless micro air delivery device |
| 11/25/2010 | WO2010134290A1 Piston cylinder unit |
| 11/25/2010 | WO2010133339A1 Device for delivering a fluid in a hydraulic circuit |
| 11/25/2010 | DE102009003256A1 Piston pump, particularly high-pressure fuel pump, has drive shaft with drive section, piston cooperating with drive section and counter element |
| 11/24/2010 | EP2253844A1 Device for transporting a fluid in a hydraulic circuit |
| 11/24/2010 | CN201650644U Hydraulic reciprocating pump for intelligently controlling output volume and mixing ratio |
| 11/24/2010 | CN201650641U Manually-driven liquid pump for sprayer |