Patents
Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723)
02/1999
02/11/1999WO1999006704A1 Valve cap for the reduction of the clearance volume in radial piston pumps for motor vehicle brake systems
02/11/1999WO1999006703A1 Composite piston with integrated sealing element for a radial piston pump in an automobile brake system
02/11/1999WO1999006702A1 Piston pump
02/11/1999WO1999006698A1 Piston pump
02/11/1999WO1999006697A1 Tubular piston produced by cold forming and closure plug for pump with radial pistons
02/11/1999WO1999006696A1 Piston pump
02/11/1999WO1999006695A1 Piston pump
02/11/1999DE19758485A1 Automotive high pressure seal between two components
02/10/1999EP0896152A2 Axial piston pump neutral centering mechanism
02/10/1999EP0896151A2 Synthetic low friction piston for a hydraulic pump or motor
02/10/1999CN2307113Y Pump pressure variable speed automatic controller
02/09/1999US5868555 Hydraulic drive unit of a press machine and a swash plate type variable capacity axial piston pump to use for said device
02/09/1999US5868061 Hydraulic axial piston machine
02/04/1999DE19831450A1 Kolbenpumpe Piston pump
02/04/1999DE19803333A1 Kolbenpumpe Piston pump
02/04/1999DE19753083A1 Kolbenpumpe Piston pump
02/04/1999DE19750851A1 Kolbenpumpe Piston pump
02/04/1999DE19750379A1 Combined electrical generator and pump unit driven by internal combustion engine
02/04/1999DE19747936A1 Motor vehicle anti-lock hydraulic brake system reciprocating piston pump
02/04/1999DE19747850A1 Kolbenpumpe Piston pump
02/04/1999DE19742611A1 Kolbenpumpe Piston pump
02/04/1999DE19732818A1 Kolbenpumpe Piston pump
02/04/1999DE19732792A1 Kolbenpumpe Piston pump
02/04/1999DE19732791A1 Kolbenpumpe Piston pump
02/04/1999DE19732771A1 Piston driven hydraulic pump for vehicle brake system
02/04/1999DE19732770A1 Kolbenpumpe Piston pump
02/04/1999DE19732748A1 Piston driven hydraulic pump
02/04/1999DE19732747A1 Back-flow prevention valve for piston-powered pump
02/03/1999EP0478675B2 A loading machine equipped with a first and a second pump supplying pressure oil to at least one hydraulically driven working component, such as a hydraulic piston-cylinder device or hydraulic motor
02/03/1999CN2306323Y Hand reverse high-pressure oil pump
02/02/1999US5865602 Aircraft hydraulic pump control system
01/1999
01/28/1999WO1999004165A1 Piston pump
01/28/1999WO1999004140A1 Volumetric-displacement device having molded pistons and cylinders
01/27/1999EP0750740B1 Diluter
01/26/1999US5863187 Two position rotary reciprocating pump with liquid displacement flow adjustment
01/26/1999US5862704 Retainer mechanism for an axial piston machine
01/21/1999WO1999002861A1 Inlet valve for a radial piston pump for high-pressure fuel supply
01/21/1999WO1999002860A1 Radial piston pump for high pressure fuel supply
01/21/1999WO1999002859A1 Radial piston pump for high pressure fuel supply
01/21/1999WO1999002858A1 Radial piston pump for fuel high-pressure supply
01/21/1999WO1999002857A2 Radial piston pump for high-pressure fuel supply
01/21/1999DE19814505A1 Radial piston pump for a motor fuel injection system
01/20/1999EP0891488A1 Axial piston machine with internal flushing cycle
01/14/1999DE19729791A1 Radialkolbenpumpe zur Kraftstoffhochdruckversorgung Radial piston pump for high pressure fuel supply
01/14/1999DE19729790A1 Radialkolbenpumpe zur Kraftstoffhochdruckversorgung Radial piston pump for high pressure fuel supply
01/14/1999DE19729789A1 Radialkolbenpumpe zur Kraftstoffhochdruckversorgung Radial piston pump for high pressure fuel supply
01/14/1999DE19729788A1 Radialkolbenpumpe zur Kraftstoffhochdruckversorgung Radial piston pump for high pressure fuel supply
01/13/1999EP0890740A2 Lubrication system for high pressure liquid pumps with cylinders of vertical axis
01/13/1999CN2303940Y Super-high-pressure hydraulic pump for powder producer
01/13/1999CN1205054A Swash plate type hydraulic rotating machine and method of manufacturing casing for same
01/07/1999EP0888499A1 Piston for a hydrostatic axial-piston machine
01/07/1999DE19829217A1 Variable fuel pump for vehicle
01/07/1999DE19828108A1 Lighting device for arranging an outside of car
01/07/1999DE19827926A1 Vehicle fuel pump for lubricating
01/07/1999DE19727488A1 Band valve for radial piston pump
01/07/1999DE19727071A1 Axial piston reciprocating engine
01/07/1999DE19710882A1 Pump with oscillating impeller
12/1998
12/30/1998WO1998059405A1 Electric motor for driving a machine
12/30/1998CN1203318A Retaining system for slipper holddown pins
12/29/1998US5852931 For motor vehicles
12/24/1998DE19826961A1 Radial piston pump with feed unit and separating arrangement
12/24/1998DE19726572A1 Radial piston pump with eccentric shaft driving number of feed units
12/24/1998DE19726017A1 Elektromotor zum Antrieb einer Arbeitsmaschine Electric motor for driving a machine
12/24/1998DE19725953A1 High-pressure cleaning unit with swashplate driving piston
12/24/1998DE19725563A1 Radialkolbenpumpe Radial piston pump
12/23/1998WO1998058172A1 Radial piston pump
12/23/1998WO1998058171A1 Radial piston pump
12/23/1998WO1998058170A1 Separator for industrial waste
12/22/1998US5850775 Pump piston
12/16/1998EP0883747A1 Two-rotor sliding vane compressor
12/15/1998US5848879 Cylinder lining for hydraulic pump
12/15/1998US5848565 Radial piston machines
12/09/1998EP0882181A1 Pressure transformer
12/08/1998US5845559 Axial piston pump neutral centering mechanism
12/03/1998WO1998054468A1 Hydraulic system with a hydromotor fed by a hydraulic transformer
12/03/1998WO1998054466A1 Adjustable stop for variable displacement pumps
12/03/1998WO1998054465A1 Radial piston pump
12/03/1998DE19725564A1 Radialkolbenpumpe Radial piston pump
12/02/1998EP0881385A2 Refrigerant compressor
12/02/1998EP0764059B1 High-pressure cleaning appliance with safety insulation
12/01/1998US5842405 Eccentric arrangement for a reciprocating piston pump
12/01/1998US5842343 Hydraulic axial discharge pump
11/1998
11/26/1998WO1998053209A1 Piston pump with a pipe segment as a bushing
11/26/1998DE19721227A1 Kolbenpumpe Piston pump
11/25/1998EP0879960A2 High pressure fuel pump
11/25/1998EP0879356A1 Method and apparatus for controlling axial pump
11/24/1998US5839888 Well service pump systems having offset wrist pins
11/24/1998US5839349 Noise-abated pump unit, in particular for controlled brake systems
11/18/1998CN1199152A Pump element for lubricant pump
11/18/1998CN1199142A Stepless speed varying pump body device
11/17/1998US5836751 Reciprocating piston pump
11/17/1998US5836749 Piston type liquid fuel pump with an improved inlet valve
11/11/1998EP0877164A2 High-pressure reciprocating pumps
11/03/1998US5829338 High pressure positive displacement swashplate pump
10/1998
10/29/1998WO1998048169A1 High-pressure fuel pump
10/27/1998US5826488 Swash plate angle changing apparatus for a piston pump/motor of swash plate type
10/22/1998DE19716242A1 Kraftstoffhochdruckpumpe High-pressure fuel pump
10/21/1998CN1196447A Bidirectional ram pump
10/20/1998US5823752 Adapter for mechanically coupling a pump and a prime mover
10/20/1998US5823091 Radial piston pump having means for selectively disabling at least one of the pumping chambers
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