Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723)
06/2003
06/17/2003US6579075 Compressor
06/17/2003US6579073 Motor-pump assembly
06/17/2003US6579072 Swash plate pump with low stress housing
06/12/2003WO2003048564A1 Radial piston pump having force-feed lubrication
06/12/2003US20030108443 Fuel injection pump
06/12/2003US20030106427 Fuel injection pump
06/12/2003US20030106314 Electro-hydraulic pump control system
06/11/2003EP1318302A2 Fuel injection pump
06/10/2003US6575076 Hydraulic installations
06/05/2003WO2003046380A1 Axial piston pump/motor with clutch and through shaft
06/05/2003WO2003046379A1 Tappet piston
06/05/2003US20030103853 High-pressure pump
06/05/2003US20030103850 Axial piston pump/motor with clutch and through shaft
06/05/2003US20030101970 Fuel injection pump having feed pump assembly
06/04/2003CN1421606A Inclined disc lengthening servo convex sliding block positioning apparatus and assembling method thereof
06/04/2003CN1110634C Piston pump for high-pressure cleaning machine
06/03/2003US6572344 Compact pump or motor with internal swash plate
05/2003
05/30/2003WO2002103190A3 Double acting simplex plunger pump with bi-directional valves
05/29/2003US20030099563 Fuel injection pump having one-way valve for supplying fuel into pressurizing chamber
05/29/2003US20030099552 Axial piston pump barrel with a cast high pressure collection cavity
05/29/2003US20030099551 Compact pump or motor with internal swash plate
05/29/2003US20030097927 Extended male slipper servo pad arrangement for positioning swashplate and method assembling same
05/28/2003EP1314882A1 High-pressure pump
05/28/2003EP1314871A2 Process for determining bearing forces of a driven shaft , particularly for injection pumps of internal combustion engines
05/28/2003CN2553133Y Inclined disc axial plunger pump
05/28/2003CN1420962A Snap-in connection for pumping plunger sliding shoes
05/28/2003CN1109819C Series pump with auxiliary pump.
05/27/2003US6568916 Axial piston pump with outer diameter inlet filling
05/22/2003WO2003042534A2 Pump element and piston pump for generating high fuel pressure
05/22/2003US20030095875 Fuel injection pump
05/22/2003US20030094096 Axial piston engine comprising a return device
05/21/2003EP1312801A2 Fuel cooled pumping stage for high pressure fuel pump
05/21/2003EP1311760A1 Hydraulic radial piston engine
05/21/2003EP0932766B1 Piston pump
05/21/2003CN1109229C Refrigerant overcirculating vapour compression refrigerator system
05/20/2003US6564739 Marine steering system having dual hydraulic and electronic output
05/20/2003US6564693 Axial piston pump of the type having intersecting axes
05/15/2003WO2003040559A1 Variable stroke balancing
05/15/2003US20030091454 Rotary variable expansible chamber - kinetic hybrid pump
05/15/2003US20030089343 Fuel pump and direct fuel injection engine
05/15/2003US20030089339 Fuel injection system with improved regulation of pumping quantities
05/14/2003EP1310672A2 Fuel pump for a fuel system of an internal combustion engine and fuel system
05/14/2003EP1310577A1 Fuel pump and direct fuel injection engine
05/14/2003EP1309787A1 Fuel tank mounted, motorized high pressure gasoline pump
05/14/2003CN1418158A 活塞泵 Piston pump
05/14/2003CN1108469C Hydrostatic drive in shell
05/14/2003CN1108436C Two-part slide block with balancing work surface
05/13/2003US6561771 Axial piston pump with center inlet fill
05/08/2003WO2003038270A1 Intake valve for a high-pressure pump, in particular for internal combustion engine fuel
05/08/2003US20030084785 Variable stroke balancing
05/08/2003US20030084784 Internally supercharged axial piston pump
05/07/2003CN1107825C Reciprocating piston pump
05/06/2003US6558142 High-pressure hydraulic fuel pump
05/06/2003US6557455 Two piece barrel design for a hydraulic oil pump
05/02/2003EP1306553A2 Fuel pump, fuel system and method for operating a fuel system and an internal combustion engine
05/02/2003EP1306552A2 Electro-hydraulic pump control system
05/02/2003EP1306548A2 Fuel injection apparatus in which the displacement control is improved
05/02/2003EP1097500A4 Control system with integrated actuation package
05/02/2003EP1049874B1 Axial piston pump
05/01/2003US20030079726 High-pressure pump with an on-off valve for feeding fuel to an internal combustion engine
04/2003
04/30/2003CN2547896Y Oblique oxial plunger pump
04/30/2003CN1107180C 往复式活塞泵 Reciprocating piston pump
04/29/2003US6555777 Method of manufacturing bimetal slippers
04/29/2003US6554582 High pressure pump with improved hub
04/29/2003US6553971 High-pressure pump with an on-off valve for feeding fuel to an internal combustion engine
04/29/2003US6553891 Hydrostatic variable displacement pump having springs arranged outside the servocylinder pressure chamber
04/24/2003US20030077189 Hydrostatic machine
04/24/2003US20030074896 Hydraulic rescue system
04/22/2003US6551069 Compressor with a capacity modulation system utilizing a re-expansion chamber
04/22/2003US6550971 Eccentric system
04/17/2003WO2003031816A1 Connecting element for connecting a piston to a restoring element
04/17/2003US20030072661 Piston pump
04/17/2003US20030070634 Axial piston rotary power device
04/17/2003US20030070633 Axial piston rotary power device
04/16/2003EP1302661A2 Pump utilizing dissimilar materials to compensate for temperature change
04/16/2003EP1302660A2 Cooling of electrical driven pump
04/16/2003EP1301709A1 Axial piston engine comprising a return device
04/16/2003EP1301708A1 Radial piston pump
04/16/2003CN1105828C Retaining system for slipper holddown pins
04/15/2003US6547537 Air operated radial piston and diaphragm pump system
04/15/2003US6547533 Axial movement restriction means for swash plate compressor and compressor assembly method
04/15/2003US6547531 Variable-displacement axial piston pump
04/15/2003US6546917 Variable delivery fuel supply device
04/10/2003WO2003029652A1 Hydraulic motors and pumps with engineered surfaces
04/10/2003US20030068243 Pump utilizing dissimilar materials to compensate for temperature change
04/10/2003US20030068239 Pump for exerting pressure on fluid and fluid tank unit having the same
04/10/2003US20030068236 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit
04/09/2003EP1299644A1 Hydraulic transformer
04/09/2003EP1299643A1 Positive displacement pump
04/09/2003EP1183467B1 High pressure pump with improved sealing
04/09/2003CN2544115Y Small sized high-pressure water pump
04/09/2003CN2544114Y Double-action double-displacement hydraulic manual pump
04/08/2003US6544007 Radial piston pump with noise reduction
04/08/2003US6543424 Fuel pump, in-cylinder direct injection type internal combustion engine using the same and surface treatment method
04/03/2003WO2003027439A1 Rotary fluid machine
04/03/2003US20030063980 Hydraulic motors and pumps with engineered surfaces
04/03/2003US20030062085 Fuel supply apparatus for engine
04/02/2003EP1298324A2 Rotary vane compressor with vane holding plug
04/02/2003EP1297259A1 Hydraulic pump and motor
04/02/2003EP1187989A4 Swashplate type axial-piston pump
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