Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members
Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236)
12/2008
12/03/2008CN101316660A Fluid product dispensing pump
12/03/2008CN100440694C Linear actuator, and pump and compressor devices using the actuator
12/03/2008CN100439648C Portable, surface-mounted well pump
12/02/2008US7459092 Recycling rinse fluid using an arrangement of separators and concentrators, which are pneumatically pressurized and depressurized at desired intervals via electronically controlled poppet valves, which results in the separation of particulates and dissolved constituents from the untreated fluid media.
12/02/2008US7459091 Using an arrangement of separators and concentrators, which are pneumatically pressurized and depressurized at desired intervals via electronically controlled poppet valves, which results in the separation of particulates and dissolved constituents from the untreated fluid media.
12/02/2008US7458786 Oil well pumping unit and method therefor
11/2008
11/27/2008WO2008141587A1 Air pressure difference type energy saving water pumping device
11/27/2008US20080289489 Composite Piston Unit and Automatic Vehicle Transmission
11/27/2008US20080289488 Reciprocating fluid machines
11/26/2008EP1995459A2 Mastic pump
11/26/2008CN201155438Y Hand-operated type liquid-drawing pump front cover structure
11/26/2008CN201155346Y Diaphragm type plunger engine oil pump
11/26/2008CN101311531A Variable displacement pump
11/24/2008CA2632266A1 Mastic pump
11/20/2008WO2008119596A3 Radial antifriction bearing for an eccentric drive, eccentric drive for a radial piston pump, and anti-blocking system comprising said eccentric drive
11/20/2008DE102007023353A1 Method for leakage free decanting of liquids with hand operated piston pumps, involves encasing piston rod in pressure chamber from protecting pipe adjusted, fixed or moved in liquid tight manner
11/20/2008DE102007023148A1 Water pump for use in e.g. irrigation fields, has main cylinder operated by hydraulic motor that is driven with effect of gravitation, where operating pressure is obtained using weight of container when pump is propelled by gravitation
11/20/2008DE102007022658A1 Feed pump e.g. pressure-surge-pump, for conveyor system, has conveyor area connected with drive area, and valve arrangement for selectively or alternately connecting drive feed pipe with pressure source or with fluid-outlet
11/19/2008EP1992818A1 Reciprocating piston pump operating on pressure medium
11/19/2008EP1623119B1 Improvements in cams and cam followers
11/19/2008CN201152240Y Pedal type water pump with double cylinder
11/19/2008CN201152239Y Pneumatic mine filling spraying pump
11/19/2008CN201152238Y Plunger type water pump
11/19/2008CN201152237Y Piston drive device
11/19/2008CN201151941Y Antifreeze water-saving toilet flushing equipment water-suction and pressing device
11/18/2008CA2470532C Draw back pump
11/18/2008CA2370950C Actuator element
11/18/2008CA2291093C Articulated piston pump
11/13/2008WO2008116241A3 Cam and device for driving a piston pump
11/13/2008US20080279700 Hydraulic drive system with neutral drift compensation
11/13/2008US20080277230 Hydraulic drive system with aggressive clutching
11/13/2008DE102008019783A1 Displacement dosing pump e.g. for coating materials, has two counter-acting plungers for displacing supply medium
11/12/2008EP1989446A1 Fluid compressor and motor vehicle refuelling apparatus
11/12/2008CN201148948Y Magnetic control automatic reversing controlled gas drive hydraulic pump
11/12/2008CN201148947Y Small-sized plunger piston oil pump
11/12/2008CN201148946Y Plunger piston oil pump of motor shaft without radial load
11/12/2008CN101303002A Beam type oil pumping machine automatic grease feeding apparatus
11/12/2008CN100432428C High pressure pumping apparatus
11/12/2008CN100432427C Bearing, bearing mechanism, and plunger pump
11/06/2008WO2008134542A2 Positive displacement injection pump
11/06/2008WO2008133212A1 Damper pulley, method of producing damper pulley, and variable displacement vane pump
11/06/2008WO2008132514A1 Drilling rig apparatus
11/06/2008US20080273996 Method and Device for Regulating Fluid Pump Pressures
11/06/2008DE102007020286A1 Pressure genartion unit has piston with piston drive moving in cylinder element, where another piston with another piston drive is moved in another cylinder element
11/05/2008CN201144776Y Piston pump
11/05/2008CN201144775Y Air pressure difference type energy-saving water pumping apparatus
11/05/2008CN201144774Y Glue solution extraction and delivery pump
11/05/2008CN201144773Y Fine adjustment quantitative food slurry delivery pump
11/05/2008CN201144772Y Small belt pulley supporting device of reciprocating type high pressure water injection pump
11/05/2008CN201144771Y Reciprocating type energy saving pump
11/05/2008CN101298866A Water wheel water raising vehicle
11/05/2008CN100430604C Fluid draining pump device
10/2008
10/30/2008WO2008029288A3 Fluid-powered proportioning pump and system for dispensing fluid inluding such a pump
10/30/2008US20080267800 Reciprocating Pump
10/30/2008US20080267795 Positive Displacement Injection Pump
10/29/2008EP1985854A2 Pump system
10/29/2008CN201141349Y Pedal type washing pump
10/29/2008CN201141348Y High-pressure plunger pump
10/29/2008CN201140813Y Pneumatic power glue extracting apparatus for return current glue of labeler
10/28/2008US7441492 Eccentric drive mechanism for volumetric pumps or motors
10/23/2008WO2008124877A1 A magnetic drive fluid pump
10/23/2008DE102007019261A1 Radialkolbenpumpe, insbes. für Common Rail (CR)-Einspritzsysteme Radial piston pump, esp. For Common Rail (CR) -Einspritzsysteme
10/22/2008EP1982104A1 Hydraulic device with a lubricating pump
10/22/2008EP1982072A2 Hydraulic oil well pumping apparatus
10/22/2008CN201137908Y Lamps and ceiling fan assembly
10/22/2008CN201137557Y Spattering-free oil pumping unit
10/22/2008CN201137556Y Piston-type pump for basic dry cell zinc injection glue and electrolyte
10/22/2008CN101290001A Levitating force pressurized pump and tide generation station adopting same
10/21/2008CA2466467C Hydraulic multiphase pump
10/16/2008US20080253902 Fluidic Kinetic Energy Recovery Device
10/16/2008US20080251434 Manually Operable Water Purifying Device
10/15/2008EP1794452B1 Reciprocating pump for delivering fluids
10/15/2008CN201133598Y Dynamic rotation electrical equipment synchronous electrification illuminating apparatus
10/15/2008CN201133332Y Floating type water-drawing head
10/15/2008CN201133331Y Handle type air-operated hydraulic pump
10/15/2008CN101285456A Integrated hydraulic pump
10/09/2008WO2008121606A1 Air-operated pump
10/09/2008WO2008119596A2 Radial antifriction bearing for an eccentric drive, eccentric drive for a radial piston pump, and anti-blocking system comprising said eccentric drive
10/09/2008WO2008102245A9 Plunger pump
10/09/2008US20080247891 High-Pressure Pump Piston/Cylinder Unit
10/09/2008US20080247890 Recriprocating Compressor
10/09/2008DE102008015521A1 Kraftübertragungsvorrichtung Power transmission device
10/08/2008CN201129281Y High-speed oil pump of manual tube cutting machine
10/08/2008CN201129280Y Novel manual type liquid lifting piston
10/08/2008CN201129279Y Multiple gear ratios transmission high-power high-pressure plunger pump
10/08/2008CN101280773A Nose washing apparatus pump
10/08/2008CN100424343C Method for determing cam outline shape of nonimpact constant flow double-plunger pump
10/07/2008US7431575 Auto valve priming pump
10/07/2008US7431574 Pump actuated by diaphragm
10/07/2008US7431181 Fluid-dispensing pump and container provided therewith
10/02/2008WO2008118016A1 Chromatographic column system
10/02/2008WO2008116241A2 Cam and device for driving a piston pump
10/02/2008US20080240944 Air-Operated Pump
10/02/2008DE102007015687A1 Radialwälzlager für einen Exzenterantrieb, Exzenterantrieb für eine Radialkolbenpumpe sowie Antiblockiersystem mit dem Exzenterantrieb Radial roller bearing for an eccentric, eccentric for a radial piston pump and anti-lock brakes with the eccentric
10/02/2008CA2681403A1 Chromatographic column system
10/01/2008EP1973663A2 Pumping device
10/01/2008CN201125849Y Three-cylinder single-action bore mud pump
10/01/2008CN201125422Y Household water-saving reuse apparatus
10/01/2008CN101278123A Compressor unit comprising an eccentric gear
10/01/2008CN101278122A Hydraulic machine with radial cylinders having an improved crank bearing
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