Patents
Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723)
04/2000
04/27/2000WO2000023711A1 Radial piston pump for supplying fuel at high pressure
04/27/2000WO2000023710A1 Piston pump for supplying fuel at high pressure
04/26/2000EP0995036A1 Pump unit
04/26/2000EP0705380B1 Axial piston machine, in particular an axial piston pump or an axial piston motor
04/25/2000US6053091 Plunger pump
04/20/2000DE19848040A1 Radial piston pump for high fuel pressure in IC engines with common-rail injection systems has two plates engaging fully on each other, and second back pressure valve between first plate and pump housing
04/20/2000DE19848035A1 Radial piston pump for high fuel pressure in IC engines with common-rail injection system has suction valve closure spring supported on pump piston and contained in long piston bore
04/20/2000DE19847776A1 Device for feeding lubricating oil to lubrication points of machine, conveyor or escalator has at least two rotary-lift-piston pumps in series in housing and drive unit
04/20/2000DE19847044A1 Radial piston pump for fuel injection has piston ring groove linked to channels in tee-groove format or channels formed by piston flats for oil leakage collection to keep piston in line.
04/20/2000DE19846367A1 Radial piston pump for producing high pressure fuel for internal combustion engine injection system is particularly for common rail injection system, with drive shaft incorporating eccentrically formed section and located in housing
04/13/2000WO2000020760A1 Rotary pump
04/13/2000DE19906626A1 Pump arrangement with high pressure radial piston pump having eccentric drive has piston unit hydraulically biased against eccentric ring in application position by resulting pressure
04/13/2000DE19856351C1 Radial piston pump has axial bearing plate retained in housing by circlip and positioning lugs
04/12/2000EP0991863A1 Radial piston pump
04/12/2000CN1051358C Process for regulating the capacity of lubricant pumps and lubricant pump therefor
04/11/2000US6048180 High-pressure fuel supply pump
04/11/2000US6048179 Module with an electric generator and a pump unit
04/11/2000US6048176 Regulating device for a hydrostatic positive displacement unit
04/11/2000US6047629 Hydraulic pump
04/06/2000WO2000019095A1 Radial piston pump
04/06/2000DE19844326A1 Radialkolbenpumpe Radial piston pump
04/06/2000DE19844272A1 Radial piston pump for high fuel pressure generation in fuel injection systems for motor vehicles has drive shaft section with polygonal ring and guide plate to prevent uncontrolled ring acceleration/decceleration
03/2000
03/30/2000DE19855373C1 Automatic rotary piston pump for operating a flying arrangement of piston bearings and a constant stroke includes a rotating disk with several cylinder channels, cylinder ports
03/30/2000DE19844203A1 Two-part interlocking roller bearing pre-installed on automotive camshaft or crankshaft reduces assembly time
03/29/2000EP0840852A4 Fluid pumping apparatus
03/28/2000US6042350 Piston pump
03/23/2000WO2000016464A2 Control system with integrated actuation package
03/23/2000WO2000015955A1 Piston engine balancing
03/23/2000DE19842029A1 Adjustable hydrostatic axial piston machine with cylinder block and swash plate has control piston adjusted axially with stepping motor and control sleeve coupled mechanically to adjusting mechanism for angle of tilt
03/23/2000DE19841642A1 Radial piston pump for fuel high pressure production in internal combustion engine fuel injection system, particularly in common rail system, has drive shaft located in pump housing and is eccentrically formed
03/23/2000CA2342932A1 Piston engine balancing
03/21/2000US6038958 Porting for hydraulic pressure transformer
03/21/2000CA2191967C High-pressure cleaning appliance with safety insulation
03/16/2000WO2000014401A1 Pump apparatus for hydraulically powered fuel injection systems
03/16/2000WO2000013951A1 Motor-pump assembly
03/16/2000DE19943160A1 Fuel injection pump for supplying high pressure fuel to internal combustion engine comprises pump housing, cylinder and cavity arranged concentrically to each other in pump housing
03/16/2000DE19851324C1 Radial piston hydraulic motor has roller guide rings with deformable section to form lock into cylinder block
03/16/2000DE19840311A1 Axial piston machine comprises housing in which shaft is located and drum coaxial to shaft, with several cylinder bores in which pistons are supported over their complete guide length
03/15/2000EP0985097A1 Hydraulic system with a hydromotor fed by a hydraulic transformer
03/15/2000EP0985094A1 Adjustable stop for variable displacement pumps
03/15/2000EP0985093A1 Radial piston pump
03/15/2000EP0774073B1 Hydraulic axial piston machine with an inclined plate
03/14/2000US6036448 Fuel pump sealed in a bellows
03/14/2000US6036374 Rotating guide for cam bearing cage
03/09/2000DE19840048A1 Motor-Pumpen-Aggregat Motor-pump assembly
03/09/2000DE19838897A1 Axial piston pump/motor has pressure medium flow paths with profiles not smaller than cylinder bores, to prevent fluid throttle
03/08/2000EP0984161A1 Combination of shim and cam
03/08/2000EP0983438A1 Radial piston pump for high pressure fuel supply
03/02/2000WO2000011321A1 Rotary pump by the piston
03/02/2000DE19939473A1 Rollenlagersegment für Stützscheiben Roller bearing pad for supporting discs
03/02/2000DE19858862A1 Radial piston pump for fuel high pressure production in fuel injection system for internal combustion engine, particularly common rail injection system, has drive shaft located in pump housing, which has eccentric section
03/02/2000DE19839430A1 Radial piston pump includes combined roller bearing and eccentric bush, improving on earlier designs in terms of axial length and simplicity
03/02/2000DE19837647A1 Hydrostatic machine comprises cylinder drum in which bores are formed in which pistons are movable, pistons having hollow space surrounded by wall
02/2000
02/29/2000US6030185 Radial piston pump
02/29/2000US6030182 Variable displacement pump and optional manual or remote control system therefor
02/24/2000DE19836901A1 Radial piston pump to produce fuel at high pressure in fuel injection systems of internal combustion engines has lubricating grooves formed in flats in polygonal ring on eccentric shaft section
02/22/2000US6027312 Hydraulic pressure supply pump with simultaneous directly actuated plungers
02/22/2000US6027250 Roller bearing segment for swashplates and other limited-oscillation applications
02/17/2000WO2000008335A1 Motor pump unit for a high-pressure cleaning apparatus
02/16/2000EP0979353A2 Supply pump for gasoline common rail
02/15/2000US6024542 Piston pump and method of reducing vapor lock
02/15/2000US6024541 Hydraulic axial piston pumps
02/15/2000US6024011 Hydrostatic axial piston machine
02/10/2000DE19854479A1 Dosiergerät oder Titriergerät, insbesondere Bürette Dosing and titration, especially burette
02/10/2000DE19854415A1 Axial piston drive to be attached to wheel has bearings positioned radial between cylinder drum and bearing bush in order to reduce overall size
02/10/2000DE19834599A1 Device for feeding lubricating oil to lubrication points of machine, conveyor or escalator has at least two rotary-lift-piston pumps in series in housing and drive unit
02/08/2000US6022198 Twin pump with a charging pump
02/03/2000WO2000005502A1 Radial piston engine with roller guides
02/03/2000DE19834754A1 Pump for increasing pressure of water in pipes for cleaning purposes has pump elements clamped together coaxially on draw armature between threaded collar and supporting disc
02/02/2000EP0976968A2 Piston pumps for the transport of lubricant to different points in a machine, a conveyor or an escalator
02/02/2000EP0976927A2 Metering or titrating device, especially burette
02/02/2000CN2361871Y Roller plunger pump
02/02/2000CN2361870Y Plunger hydraulic press
02/01/2000US6019027 Refrigerant compressor
01/2000
01/27/2000DE19832696A1 Radial piston machine with roller guides, with one of two roller guides for one roller fixed directly, without auxiliary parts, to the cylinder block so that it cannot rotate
01/27/2000DE19832508A1 Druckmittelzuführungseinrichtung Pressure fluid supply means
01/26/2000EP0974782A2 Device for supplying fluid under pressure
01/26/2000EP0974753A2 Axial piston pump
01/26/2000EP0974006A1 Fuel injection system for an internal combustion engine
01/26/2000CN1242824A Hydraulic pressure supply pump with simultaneous directly actuated plungers
01/26/2000CN1242821A Fuel injection device for internal combustion engine
01/25/2000US6016739 Piston and method for reducing wear
01/20/2000WO2000003140A1 Piston operating device for rotary pumps
01/19/2000EP0972936A2 Positive displacement pumps
01/19/2000CN2359485Y Energy-saving piston type compressor without balance segment
01/13/2000WO2000001948A2 Radial piston pump
01/13/2000DE19830890A1 Three-ring needle bearing for pump part of working machine, pref. ABS piston pump, driven by electric motor is made of simply manufactured parts easily assembled to form unit
01/13/2000DE19829548A1 Radialkolbenpumpe Radial piston pump
01/13/2000DE19829547A1 Radial piston pump especially for common rail fuel injection systems
01/13/2000DE19829546A1 Radialkolbenpumpe Radial piston pump
01/13/2000DE19829060A1 Hydrostatic machine with lubrication
01/13/2000DE19828180A1 Doppelpumpen-Aggregat Double pump unit
01/12/2000EP0970309A1 Radial piston pump for feeding high pressure fuel
01/12/2000EP0970291A1 Method for the production of a ball jointed connection
01/12/2000CN2358245Y Axial plunger displacement pump without slipper and distributing plate
01/11/2000US6012906 Uniform speed joint and axial piston pump using the joint
01/05/2000DE19930411A1 Hydraulic pump of piston type
01/05/2000DE19829952A1 High pressure oil pump for hydraulic transmission
01/04/2000US6010311 Hydraulic radial piston machines
12/1999
12/30/1999DE19859026C1 Electrohydraulic regulator for combined delivery rate and pressure regulation for an adjustable hydraulic pressure generator
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