Patents
Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723)
01/2003
01/15/2003CN2531126Y Low-noise hydraulic plunger pump with four one-way valves on valve plate
01/14/2003US6506033 Miniature pump with ball-plate drive
01/14/2003US6505541 Cooling arrangement for an inclined-axis variable displacement unit
01/09/2003WO2003002893A1 Swash plate devices
01/09/2003WO2003002291A1 Selectively cold worked hydraulic motor/pump shoe
01/09/2003US20030007873 Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereof
01/09/2003US20030006564 Seal mechanism and fuel pump provided therewith
01/09/2003DE10118925C1 Piston pump, for conveying liquid, comprises a pump piston positioned so that it moves axially backward and forward in a pump bore in a pump housing, and a filter inserted in the pump piston
01/08/2003EP1273835A2 Seal mechanism and fuel pump provided therewith
01/08/2003EP1273796A2 High pressure fuel pump especially for direct injection internal combustion engine and fuel system and internal combustion engine
01/08/2003EP1272735A1 Radial piston engine
01/08/2003EP1181453B1 Motor-pump unit
01/08/2003CN1390281A 液力活塞泵 Hydraulic piston pump
01/07/2003US6502394 Pump
01/02/2003US20030002990 Multi-cylinder high-pressure plunger pump
01/02/2003US20030000603 Cold-heading one end portion of cylindrical blank to radially increase and axially diminish the dimensions of one end portion, and to work harden the one end portion while leaving an opposite end portion dimensionally unchanged; cold-working
01/02/2003EP1270928A2 Axial piston pump with center inlet fill
01/02/2003EP1269021A1 Radial piston pump
01/02/2003EP1268248A2 Piston pump
12/2002
12/31/2002US6499962 Bearing arrangement for a swash plate pump
12/27/2002WO2002103190A2 Double acting simplex plunger pump with bi-directional valves
12/26/2002US20020197176 Structure of fuel injection pump for extending service life
12/26/2002US20020195871 Vehicle brake system with a motor/pump unit
12/26/2002US20020195821 Microturbine/capacitor power distribution system
12/26/2002US20020194987 Piston engine balancing
12/24/2002US6497562 Piston pump
12/24/2002US6497216 Pump for supplying a fuel injection system and for supplying a hydraulic valve controller for internal combustion engines
12/19/2002WO2002101242A2 Compressor with a capacity modulation system utilizing a re-expansion chamber
12/19/2002WO2002101236A1 Radial piston machine
12/19/2002WO2002084122A3 Rotary pump
12/19/2002US20020192092 Fuel injection pump
12/19/2002US20020192091 Double acting simplex plunger pump with bi-directional valves
12/19/2002US20020192083 Axial piston pump with center inlet fill
12/19/2002US20020189436 High-pressure fuel pump for internal combustion engine with improved partial-load performance
12/19/2002DE10128431A1 Radial piston pump for automatic transmission of e.g. motor vehicles has delivery pistons with associated control sleeves moveable in cylinder bores to regulated bore intake and outlet
12/19/2002DE10128066A1 Radial piston machine esp. pump has relatively easily deformable eccentric of inner ring, eccentric flexible outer ring, and intermediate damper elements
12/18/2002EP1267072A2 Hydraulic machine with position feedback
12/18/2002EP1068122B1 Anti-lock-up vehicle braking system
12/18/2002CN1096561C Method for operating high-pressure hydraulic pupm and method for operating diesel engine fuel pump system
12/17/2002US6494686 Tandem pump and interface for same
12/17/2002US6494171 Axial piston machines
12/17/2002US6494127 Radial piston engine with guide rollers
12/12/2002US20020187057 Compressors for providing automatic capacity modulation and heat exchanging system including the same
12/12/2002US20020187055 Axial piston pump with outer diameter inlet filling
12/12/2002US20020187050 Compressor with a capacity modulation system utilizing a re-expansion chamber
12/12/2002US20020185002 Sliding ring for a radial piston pump, and device for the installation thereof
12/12/2002DE10127907A1 Adjusting device for hydrostatic displacement unit has actuator interacting with hydraulic valve for producing actuation pressure; actuator is electromagnet with position regulation
12/12/2002DE10119239C1 Axialkolbenmaschine in Schrägachsen-Bauweise mit einem Schwenkwinkel-Sensor Axial piston bent axis design with a rotation angle sensor
12/12/2002DE10119236C1 Axialkolbenmaschine in Schrägachsen-Bauweise, mit einem Schwenkwinkel-Sensor Axial piston bent axis design, with a rotation angle sensor
12/12/2002DE10115167C1 High pressure radial piston pump for injection systems of internal combustion engines comprises support rollers partly independently impinged upon by a piston and spring devices via separate support elements
12/11/2002EP1264985A2 Axial piston pump with outer diameter inlet filling
12/11/2002EP1264963A1 Axial piston machines
12/11/2002EP0929743B1 Radial piston pump
12/11/2002CN1095935C Swash plate hydraulic device
12/05/2002WO2002097268A1 High-pressure pump for a fuel system of an internal combustion engine
12/05/2002US20020179061 Radial piston pump
12/05/2002DE10213625A1 Kolbenpumpe, insbesondere Hochdruckpumpe für ein Kraftstoffsystem einer Brennkraftmaschine, sowie Kraftstoffsystem und Brennkraftmaschine Piston pump, in particular high-pressure pump for a fuel system of an internal combustion engine and fuel system and engine
12/05/2002DE10140918A1 Motor-pump unit for automobile braking system has pump shaft driven by electric motor supported by roller bearing for reception of both radial and axial loads
12/05/2002DE10126151A1 Gleitring für eine Radialkolbenpumpe und Vorrichtung zu dessen Montage Sliding ring for a radial piston pump, and device for its assembly
12/04/2002EP1261513A1 Hydraulic unit
12/04/2002EP1102932B1 Motor pump unit for a high-pressure cleaning apparatus
12/04/2002CN2523985Y High-pressure small flow plunger pumps
12/03/2002US6488478 High pressure fuel pump
12/03/2002US6487856 Tandem pump unit
11/2002
11/28/2002US20020176784 Method and apparatus for controlling a variable displacement hydraulic pump
11/28/2002US20020174855 Hybrid control method for fuel pump using intermittent recirculation at low and high engine speeds
11/28/2002US20020174734 Swashplate design
11/28/2002DE10124238A1 High pressure fuel pump, especially for direct-injection internal combustion engine, has non-return and control valves in common valve module, common connector to low pressure inlet
11/22/2002WO2001090579A1 Reverse-running pump
11/22/2002CA2410392A1 Reverse-running pump
11/21/2002US20020172605 Motor-pump unit
11/21/2002US20020170511 Axial piston machines
11/21/2002US20020170289 Swash plate type hydraulic drive transmission and hydrostatic type continuously variable transmission
11/21/2002DE10210585A1 Operating method for hydraulic pump with variable displacement in construction machinery etc. with pump swash plate moved into desired position as function of desired and actual plate angles and of pump outlet pressure
11/21/2002DE10108703C1 Radial piston pump, with tandem pump stages, has radial pistons supported by bearing sleeves in two identical pump housings
11/20/2002EP1171713A4 High pressure pump and engine system using the same
11/20/2002EP0991863B1 Radial piston pump
11/20/2002CN1380496A Slope plate type hydraulic action device and static pressure stepless speed variator
11/19/2002US6481981 Motor-driven assembly
11/19/2002US6481333 Positioning device, capacity controller using positioning device, and speed changing device
11/19/2002US6481203 Electric shifting of a variable speed transmission
11/14/2002WO2001007785A3 Ball-and-socket joint between a slipper and a piston
11/14/2002US20020168273 Air operated radial piston and diaphragm pump system
11/14/2002DE10123038A1 Guide ring arrangement for a piston or a shaft in a bore, comprises a guide ring with a conical face which is pressed against the hollow conical surface of the ring groove by pressure on opposite the ring face
11/13/2002CN1379181A Multi cylinder compressor
11/13/2002CN1379180A Rotor-type piston pump
11/12/2002US6478548 Device for adjusting hydraulic equipment
11/07/2002US20020162537 Suction controlled pump for heui systems
11/07/2002DE10131001C1 Multi-cylinder high pressure plunger pump has drive stage with roller fitted with hydraulically operated piston receiving bearing for tumble disc acting on plunger actuators
11/07/2002DE10118884A1 Hochdruck-Kraftstoffpumpe für ein Kraftstoffsystem einer direkteinspritzenden Brennkraftmaschine, Kraftstoffsystem sowie Brennkraftmaschine High-pressure fuel pump for a fuel system of a direct injection engine, fuel system and engine
11/06/2002EP1255037A1 Fuel injection device
11/05/2002US6474963 Piston pump having a hollow piston
11/05/2002US6474958 High-pressure cleaner with clamping element for reciprocating pump
11/05/2002US6474218 Hydrostatic continuously variable transmission
10/2002
10/31/2002WO2002086320A1 Displacement pump, in particular for transporting fuel
10/31/2002US20020159903 Check valve
10/31/2002US20020157803 Cam device for removing and tilting the front plate in a vertical mold casting machine
10/31/2002US20020157643 Suction controlled pump for HEUI systems
10/31/2002US20020157530 Axial servo control
10/31/2002US20020157391 Pump unit
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