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)
10/1998
10/15/1998DE19816452A1 Piston for radial hydraulic motor
10/13/1998US5820358 Clearance means to prevent fuel leakage in a radial piston pump
10/08/1998WO1998044258A1 Pump, especially high pressure pump for use in a fuel injector of an internal combustion engine
10/08/1998DE19808095A1 Axial piston engine for driving pump used for pressurisation and transportation of liquid
10/07/1998EP0868609A1 Low noise hydraulic pump with check valve timing device
10/01/1998WO1998042949A1 Method for the production of a ball jointed connection
10/01/1998DE19712872A1 Pumpe, insbesonder Hochdruckpumpe für eine Kraftstoffeinspritzvorrichtung eines Verbrennungsmotors Pump, insbesonder high pressure pump for a fuel injection device of an internal combustion engine
10/01/1998DE19712838A1 Method of manufacturing ball joint between shoe and piston of reciprocating engine
09/1998
09/30/1998EP0867614A1 Rotary type hydraulic transformer
09/30/1998CN1194334A Series pump with auxiliary pump
09/29/1998US5813841 Hydraulic pressure control system for a pump
09/29/1998US5813315 Hydraulic piston machine having sheathing plastic material for reducing friction
09/24/1998DE19811836A1 Rotary piston fluid pump
09/24/1998DE19804297A1 Motor pump unit with pump block
09/24/1998DE19755661A1 Tandem pump
09/24/1998DE19752546A1 Piston pump for use in hydraulic brake system of vehicles
09/24/1998DE19752545A1 Piston pump for vehicle brake system
09/24/1998DE19711557A1 Radial piston pump
09/23/1998EP0866223A1 Swash plate type hydraulic rotating machine and method of manufacturing casing for same
09/23/1998EP0692071B1 Hydraulic drive system
09/22/1998US5811902 Support structure for electric motor used for operating pump
09/22/1998US5809863 Swash plate type axial piston pump
09/17/1998DE19808724A1 Displacement piston pump
09/16/1998EP0795083B1 Fuel injection pump
09/16/1998EP0536267B1 Adjustable rotor for a radial piston fluid machine
09/16/1998CN1193078A Integrated motor-driven-connection hydraulic pump
09/15/1998US5807080 Variable displacement type piston machine of which noise and vibration are reduced by reducing pulsation of discharge fluid
09/11/1998WO1998039569A1 Pump having unidirectional tapered land thrust bearing cluster
09/11/1998WO1998039568A1 Improvements in and relating to hydraulic pumps and motors
09/11/1998CA2283224A1 Pump having unidirectional tapered land thrust bearing cluster
09/11/1998CA2282424A1 Improvements in and relating to hydraulic pumps and motors
09/10/1998DE19709587A1 Radial piston pump
09/10/1998DE19708887A1 Brake pump, especially for hydraulic vehicle brake system
09/09/1998EP0863312A2 Cylinder sleeve assembly
09/09/1998EP0862693A1 Reciprocating pump
09/08/1998US5803714 Swash plate type axial piston pump and method of assembling the same
09/08/1998US5802931 Axle driving apparatus
09/03/1998WO1998038427A1 Improved adapter for mechanically coupling a pump and a prime mover
09/03/1998DE19708143A1 Piston for radial pump for motor vehicle brake system
09/02/1998CN1191935A Gas pump
09/01/1998US5800134 Tandem, swash plate pump having drive force take-out mechanism
09/01/1998US5800131 Process for regulating the capacity of lubricant pumps and lubricant pump therefor
09/01/1998US5800130 Pressure control system for a variable displacement hydraulic pump
08/1998
08/27/1998WO1998037324A1 Inclined shaft type axial piston pump motor
08/27/1998WO1998037308A1 Axial piston machine with rpm-dependent pressure acting against the cylinder drum
08/27/1998DE19753866A1 Adjuster unit for hydrostatic displacement unit
08/25/1998USRE35878 Variable capacity swash plate type refrigerant compressor having a double fulcrum hinge mechanism
08/20/1998WO1998036485A1 Motor-driven eccentric pump
08/20/1998WO1998036156A1 Hydrostatic machine piston
08/20/1998DE19710379C1 Suction throttled hydraulic pump for vehicle
08/20/1998DE19706124A1 Motorangetriebenes Aggregat Motor-driven aggregate
08/20/1998DE19706116A1 Pulsation reducing device for hydrostatic displacement unit
08/20/1998DE19706114A1 Pulsation reducing device for hydrostatic displacement unit
08/20/1998DE19706075A1 Kolben für eine hydrostatische Maschine Piston for a hydrostatic machine
08/19/1998CN1190699A Fuel pluger pump for internal combustion ingine
08/18/1998US5794594 For internal combustion engines
08/18/1998US5794514 Volumetric machine with curved liners
08/18/1998US5794513 Pressure-applying arrangement in a hydraulic axial piston machine
08/13/1998DE19705205A1 Piston pump, esp. high pressure fuel injection pump for IC engine
08/13/1998DE19704752A1 Needle bearing esp. for radial piston pump
08/12/1998EP0767864B1 Axial piston engine with a cooling circuit for the cylinders and pistons
08/11/1998US5791996 Uniform speed joint and axial piston pump using the joint
08/06/1998WO1998034027A1 Piston pump motor
08/05/1998EP0856661A2 Fuel pump
08/05/1998EP0856638A1 Adjustable radial piston machine
08/05/1998EP0856105A1 Axial piston machine with transverse and rotary adjustment of the pivoting cradle
08/04/1998US5788469 Piston type liquid fuel pump with an improved outlet valve
08/04/1998CA2123688C Double acting simplex plunger pump
07/1998
07/29/1998EP0737272B1 Multi-piston hydraulic pump for a free-piston engine
07/28/1998US5785430 Eccentric bearing assembly
07/28/1998US5785150 Swash plate type axial piston pump including lubrication mechanism, and valve plate
07/28/1998US5784951 For a hydraulic piston engine
07/28/1998US5784949 In a hydraulic unit
07/28/1998US5784948 Positive displacement pump having levitating magnetic piston spring circuit
07/23/1998DE19755678A1 Pump device
07/23/1998DE19706263C1 Axial piston machine
07/22/1998EP0853726A1 Twin pump with a charging pump
07/22/1998EP0784764B1 Automatic gearbox with a positive-displacement pump
07/22/1998CN1188528A Two-rotor sliding vane compressor
07/21/1998US5782219 Reciprocating engine with a wobble plate transmission
07/21/1998US5782161 Axial plunger pump with a partition between the lubricating chamber and the working fluid chamber
07/21/1998US5782160 Adjusting member for limiting maximum yoke angle in a hydraulic pump
07/16/1998WO1998030785A1 Piston assembled from a metal and a ceramic part
07/16/1998DE19701035A1 Pump set of regulating mechanism for stepped application of solns. in medical field
07/15/1998CN1187860A Axial piston machines
07/14/1998US5778757 Hydraulic axial piston machine
07/09/1998WO1998011344A3 Pulseless, reversible precision piston-array pump
07/02/1998WO1998028541A1 Pump, in particular for an hydraulic wheel-slip brake control system
07/02/1998DE19758012A1 Hydraulic control system for pump with variable displacement
07/01/1998EP0851121A1 Hydraulic transformer with two axial piston machines with single commen swash plate
07/01/1998EP0851120A2 Piston pump, in particular a radial-piston pump for internal combustion engine fuel
07/01/1998EP0850359A1 Fuel pump
07/01/1998EP0699275B1 Piston assembly
06/1998
06/26/1998CA2225883A1 Cavitation control for variable displacement hydraulic pumps
06/25/1998WO1998027337A1 Pressure control system for a variable displacement hydraulic pump
06/25/1998DE19653895A1 Pumpe, insbesondere für eine hydraulische Bremsschlupfregelanlage Pump, especially for a hydraulic antilock braking system
06/25/1998DE19653164A1 Manufacture of piston for axial piston engine
06/24/1998EP0849468A2 Control mechanism for adjusting the displacement of an axial piston pump
06/24/1998CN1185531A Variable conpacitance compressor
06/23/1998US5769611 Hydraulic pressure supply pump with multiple sequential plungers
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