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)
01/2001
01/09/2001US6170713 Double spring precompression pump with priming feature
01/04/2001DE10011206A1 Fluidpumpe Fluid pump
01/03/2001EP0846226A4 Reciprocating machine
01/03/2001CN2413056Y Wobble pump for hand heavy material hydraulic moving device
01/03/2001CN2413055Y Hydraulic pump using pressure difference of air comditioning refrigerrant
01/03/2001CN2413054Y Superhigh pressure plunger pump
12/2000
12/27/2000CN1059870C Miniature pump sprayer
12/21/2000WO2000077397A1 Piston pump, method and installation for filtering water
12/21/2000CA2412378A1 Piston pump, method and installation for filtering water
12/19/2000US6162028 Fuel pumping device for two-stroke engines with an additional driving unit
12/19/2000US6162023 Reciprocating cam actuation mechanism for a pump
12/19/2000US6161956 Process and device for the synchronous conveying of flowable materials in a mixing device
12/14/2000WO2000075518A1 A pumping arrangement for pumping a liquid product from a tank or container
12/14/2000WO2000075516A1 High pressure pump with filler cap
12/14/2000WO2000075515A1 High pressure pump with improved hub
12/14/2000WO2000074751A1 Method and apparatus for infusing liquids using a chemical reaction in an implanted infusion device
12/14/2000DE10020650A1 Hand pump for car seat adjustment uses actuator integrally extended from nonreturn valve seal to free return line to inbuilt fluid reservoir taking seat load off actuator movement.
12/12/2000US6158973 Multi-stage manual hydraulic pump
12/12/2000US6158967 Barrier fluid seal, reciprocating pump and operating method
12/12/2000US6158326 Unit consisting of an electric motor and of a working machine driven thereby
12/12/2000US6158313 Process for conveying thick matter containing preshredded scrap metal or similar solids
12/06/2000EP1058001A1 High pressure feed pump
12/06/2000EP1057443A2 Cleaning device and methods
12/06/2000CN2409349Y High-displacement automatic reversing horizontal double-cylinder plunger pump
12/06/2000CN1275678A Wind force pneumatic self-controlled water lift pump
12/06/2000CN1275505A Liquid disributor for cleaning structure and distributing device and method thereof
11/2000
11/30/2000WO2000071783A1 Portable disinfection and filtration system
11/29/2000CN2408256Y Hand hydraulic tray vehicle pump
11/29/2000CN2408255Y New mortar pump
11/28/2000US6152706 Pneumatic pump and control means therefor
11/23/2000WO2000070224A1 Micromechanic pump
11/23/2000WO2000070220A1 High-pressure water pump
11/23/2000DE19922636A1 High pressure water pump, has regulated secondary hydraulic oil circuit used for driving reciprocating piston within double-action hydraulic cylinder
11/21/2000US6149814 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
11/21/2000US6148716 Low noise high efficiency positive displacement pump
11/21/2000CA2195010C Volumetric hand pump
11/16/2000WO2000068578A1 Device for converting pneumatic energy into hydraulic energy
11/16/2000DE19922297A1 Pumpeneinheit Pump unit
11/15/2000CN2406081Y Hand-driven water-pumping machine
11/15/2000CN2406080Y 气动液压泵 Pneumatic pump
11/15/2000CN2406079Y Reciprocating plunger-pump
11/14/2000US6146112 Air compressor having simplified structure
11/14/2000US6145971 Printer ink pump and method of supplying ink using motion of the carrier
11/09/2000WO2000066890A1 System for transport of fluid
11/08/2000EP1050480A1 Diaphragm pump comprising a preferential deformation area on at least a part of its periphery, and container incorporating the same
11/07/2000US6142693 Liquid dispenser and distribution apparatus for washing structures, and methods
11/02/2000WO2000065230A1 Hydraulic pump with built-in electric motor
11/02/2000WO2000064805A1 Actuator element
11/02/2000WO2000064804A1 Thermal actuator shaped for more uniform temperature profile
11/02/2000WO2000064678A1 Actuator control in a micro electro-mechanical liquid ejection device
11/02/2000WO2000064570A1 Apparatus and method for customising cosmetic products
11/02/2000DE10018708A1 Fuel injection pump has bias device for movable unit for subjecting fuel in fuel pressure chamber to pressure, reciprocal motion regulator that operates if unit raised above upper dead point
11/01/2000CN1271815A 流体传动式往复液压泵 Reciprocating hydraulic fluid transmission
10/2000
10/31/2000US6139288 High pressure pump
10/26/2000DE19918126A1 Piston pump for hydraulic motor vehicle brake system has hollow piston with chamber forming displacement chamber for pump, and flow direction control valve has band-shaped elastic closure body
10/26/2000DE19918123A1 Piston pump has two pistons each with re-setting chamber, with volumes increased/decreased by piston stroke movements
10/26/2000DE19918121A1 Piston pump for hydraulic motor vehicle brake system with piston chamber forming pump displacement chamber, and piston sliding on stationary inner pump part
10/25/2000CN2402825Y 手压水泵 Hand pressure pump
10/24/2000US6135740 Pump drive head backspin retarder
10/24/2000US6135735 Piston pump
10/24/2000US6135724 Method and apparatus for metering multiple injection pump flow
10/24/2000US6135719 Method and apparatus for metering injection pump flow
10/24/2000US6135093 Plunger pump
10/24/2000CA2033181C Two valve micropump with improved outlet
10/19/2000WO2000061946A1 Composite piston for a vibration pump
10/19/2000WO2000061945A1 Method and arrangement for pumping material
10/19/2000WO2000061944A1 Pump system for delivering cryogenic liquids
10/19/2000WO2000061392A1 Actuator
10/19/2000DE19916366A1 Aktuator Actuator
10/19/2000CA2365953A1 Pump system for delivering cryogenic liquids
10/18/2000EP1044895A1 Dispensing head for a valve or pump device
10/18/2000CN2401706Y Hand pressed pump
10/17/2000US6132188 Dosing pump with magnetic control
10/12/2000WO2000060216A1 Reciprocating fluid machines
10/12/2000DE19915847A1 Pumpensystem zum Fördern von kryogenen Flüssigkeiten Pump system for delivering cryogenic liquids
10/11/2000EP1042615A1 Fluid-actuated working device
10/05/2000DE19914258A1 Motorangetriebenes Aggregat Motor-driven aggregate
10/04/2000EP1041700A2 Motor driven unit
10/04/2000EP1041280A1 Deep well pump
10/04/2000CN1268626A Pumping-up pump
10/04/2000CN1268472A Liquid distributing pump
10/03/2000US6126413 Apparatus for use in liquid circulation system and method for using said apparatus
10/03/2000US6126404 Apparatus for the metered delivery of fluids
09/2000
09/28/2000WO2000057173A1 Pulse damper
09/28/2000WO2000056465A1 Suction pump
09/28/2000DE19913977A1 Fuel tank for fuel cell system, with means of making volume of fuel cavity dependent on its internal pressure
09/28/2000CA2368572A1 Suction pump
09/27/2000EP1038589A2 Liquid dispensing pump
09/26/2000US6123009 Swash plate of swash-plate compressor
09/26/2000US6123008 Compressed-air piston engine
09/21/2000WO2000055528A1 Control system for a hydraulic transformer having variable pressure input
09/21/2000WO2000055503A1 Fuel injection pump and snubber valve assembly
09/21/2000WO2000055495A1 Fuel feed pump
09/21/2000CA2362142A1 Fuel injection pump and snubber valve assembly
09/20/2000EP0681672B2 Process for conveying thick matter containing preshredded scrap metal or similar solids
09/20/2000EP0647291B1 A gas compressor
09/20/2000CN1267361A Volumetric pump with sterility seal
09/14/2000DE19909725A1 Arrangement for transporting a liquid has arrangement for increasing pressure and/or temp. in liquid reservoir section to feed liquid to feed section and connected evaporation region
09/13/2000EP0795085B1 A submerged pump with coaxial opposing modular pistons, operated by double eccentric cams or similar
09/13/2000CN2396201Y Oil pump
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