Patents
Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236)
10/2007
10/30/2007US7287842 Pressurizing pump device, liquid ejection apparatus and method of controlling pressurizing pump
10/25/2007WO2007119149A2 Displacement dosing device and corresponding movement apparatus
10/25/2007DE102006030279B3 High pressure-crank drive pump for fuel-high pressure supply from fuel-injection system, has piston cylinder units having crossheads with bearing surfaces that are respectively extended and reduced to loaded and unloaded sides of crossheads
10/25/2007DE102006016897A1 Pumpe, insbesondere für ein Hydraulikaggregat Pump, in particular for a hydraulic unit
10/24/2007EP1847710A1 Improved open circuit oleodynamic system to actuate and control a concrete piston pump
10/24/2007CN200964930Y Concrete pump dedicated for coal mine
10/24/2007CN101059127A Superhigh pressure three-cylinder plunger pump
10/24/2007CN101059126A 柱塞泵驱动装置 Piston drive
10/24/2007CN100344871C Piston type gas compressor, and piston type gas pressure drive rotation device
10/23/2007US7284962 Micropump
10/23/2007US7284961 Pumping system, replacement kit including piston and/or cylinder, and method for pumping system maintenance
10/23/2007US7284475 Pneumatic reciprocating motor
10/18/2007WO2007072385A3 System and method for determining onset of failure modes in a positive displacement pump
10/18/2007US20070243089 Check Valve for Displacement-Type Pump
10/18/2007US20070242427 Drive Circuit for Piezoelectric Pump and Cooling System That Uses This Drive Circuit
10/18/2007DE102006017303A1 Radialkolbenpumpe Radial piston pump
10/18/2007DE102006017301A1 Pumpe Pump
10/17/2007CN200961568Y Concrete delivery pump adopting double oil pump
10/17/2007CN200961567Y Pneumatic pressure test pump
10/17/2007CN200961566Y Piston type monocylinder double-action profile control agent injection pump
10/17/2007CN101054962A Differential air pressure type energy-saving water-pumping device
10/17/2007CN101054961A Hydrostatic retarder pump and motor
10/11/2007WO2007112506A1 Oil replacement device for marine outboard motors
10/10/2007EP1843040A2 Method for operating an oscillating displacement pump and oscillating displacement pump
10/10/2007CN200958466Y Concrete pump transferring mechanism
10/04/2007WO2007109836A1 Magnetic drive fluid pump
10/04/2007US20070227961 Dosing Device for Introducing an Additive Into a Liquid Flow
10/04/2007US20070226975 Cell driving type piezoelectric/electrostrictive actuator and method of manufacturing the same
10/03/2007CN200955477Y Hand-driven double-cylinder water pump
10/03/2007CN200955476Y Pneumatical hydraulic pump structure
10/03/2007CN101048832A Permanent magnet for motor, motor housing and motor device
10/02/2007CA2423238C Pumping arrangement
09/2007
09/27/2007DE102006022528A1 Pump or compressor, especially for an antilock brake system, has an electromotor and a gearing composed of radially outer and inner eccentric segments with a sliding bearing between them
09/26/2007EP1836398A1 Reciprocating pump
09/26/2007CN200952458Y Gas and liquid compound pump
09/26/2007CN200952457Y Servo electric machine piston pump
09/25/2007US7273003 Plunger pump
09/25/2007CA2359161C Shroud cover for trigger sprayer
09/25/2007CA2341486C Fluid pump dispenser having product retraction feature
09/20/2007DE202007006997U1 Spenderpumpe Dispenser pump
09/18/2007US7270048 Pump
09/18/2007US7270047 Fuel injection pump
09/13/2007WO2007080300A3 Pumping device
09/13/2007DE19918126B4 Kolbenpumpe Piston pump
09/13/2007DE19918121B4 Kolbenpumpe Piston pump
09/13/2007DE19809592B4 Kolbenpumpe Piston pump
09/12/2007CN200946555Y Seesaw type high pressure double cylinder water pump
09/12/2007CN101033737A Two-way plunger piston hydraulic pump
09/12/2007CN100337031C Hydraulic reciprocating pump
09/11/2007CA2232151C Device of miniaturised construction for producing high pressure in a fluid to be atomised
09/07/2007WO2007099361A1 Nasal delivery
09/06/2007DE102005017476B4 Kolbenmembran- bzw. Kolbenpumpe Piston diaphragm or piston pump
09/05/2007EP1829601A1 Seawater desalination system using reverse osmosis
09/05/2007EP1631388A4 Diaphram metering chamber dispensing systems
09/05/2007EP1512215A4 Electroactive polymer devices for moving fluid
09/05/2007CN200943564Y Air-boosting pump with improved structure
09/05/2007CN200942375Y Isolated type emulsion pump
09/05/2007CN101029634A Multi-purpose hydraulic negative-feedback pump
09/04/2007US7263828 Fluid machine
08/2007
08/30/2007US20070201992 Infusion Pump System, an Infusion Pump Unit and an Infusion Pump
08/30/2007DE19801188B4 Fußpumpe zum Betrieb hydraulischer Werkzeuge, Zylinder o. dgl. Foot pump for operating hydraulic tools, cylinder o. The like.
08/30/2007DE102007007402A1 Dispenser for materials with viscosities ranging from liquid to paste like substance, has pump chamber movable within area of extension, with which protective cap is carried along in rotatably coupled manner, vertically relative to cap
08/29/2007CN200940761Y Automatic hydraulic oil exchanger
08/29/2007CN200940561Y Hand press oil transport pump one-way valve
08/29/2007CN100334320C Submersible pump for water-saving drilling
08/28/2007US7262545 Cell driving type piezoelectric/electrostrictive actuator and method of manufacturing the same
08/28/2007US7261523 Pump system for delivering pressurized liquid
08/28/2007US7261224 Accurate dosing pump and accessories therefor
08/23/2007US20070196219 Device and method for controlling a two cylinder thick matter pump
08/23/2007DE102006041673A1 High pressure pump especially for fuel injection in IC engine has the cam follower supported axially by hardened low wear surfaces
08/23/2007DE102006006684A1 Antriebseinheit für Hydraulik-Kolbenpumpen mit Exzenter eines Fahrzeugbremssystems Drive unit for hydraulic piston pumps with eccentric a vehicle braking system
08/22/2007EP1642029B1 Pump for tail production of oil
08/16/2007WO2007090508A1 Hydraulic device with a lubricating pump
08/16/2007DE10130512B4 Vorrichtung zur Druckperfusion für das Züchten und/oder für das Behandeln von Zellen Apparatus for Druckperfusion for culturing and / or for treating cells
08/16/2007CA2634348A1 Hydraulic device with a lubricating pump
08/16/2007CA2559597A1 Liquid pump
08/15/2007EP1818955A1 Permanent magnet for motor, motor housing and motor device
08/15/2007CN101016892A Piston pump driving mechanism
08/14/2007US7255681 Diaphragm pump and pump for double-breast pumping
08/09/2007US20070182259 Electric pump unit
08/08/2007EP1178888B1 Actuator control in a micro electro-mechanical liquid ejection device
08/08/2007CN2931845Y No-sphere spray pump
08/08/2007CN2931844Y 改进的泡沫泵 Improved foam pump
08/07/2007US7252371 Liquid delivering device
08/01/2007CN2929242Y 气动液压泵 Pneumatic pump
08/01/2007CN2929241Y Automatic lifting transport device from low water source
07/2007
07/27/2007CA2534182A1 Pump device for fluid dispenser
07/26/2007US20070172364 Hydraulic gravity ram pump
07/26/2007US20070169619 Pumps
07/26/2007DE10061956B4 Ventillose Steuerkolbenpumpe zum Fördern von unterschiedlichen Fluiden Valveless control piston pump for conveying different fluids
07/25/2007EP1730399B1 High pressure pumping apparatus
07/25/2007CN2926571Y Manual suction pump
07/25/2007CN1328512C 微型灌溉泵 Micro-irrigation pump
07/25/2007CA2533992A1 Lever with shifting fulcrum point
07/19/2007WO2007080251A1 Hydraulic machine, in particular hydraulic motor, with a reciprocating movement, and differential piston for such a machine
07/19/2007WO2007080250A1 Hydraulic machine, in particular hydraulic motor, and metering device comprising such a motor
07/19/2007WO2007080249A1 Hydraulic machine, in particular hydraulic motor, with a recipricating movement
07/19/2007US20070164641 Electroactive polymer devices for moving fluid
07/19/2007CA2637364A1 Hydraulic machine, in particular hydraulic motor, and metering device comprising such a motor
07/19/2007CA2636628A1 Pumping device
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