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7607907 |
Roller vane pump
A roller vane pump for fluid includes a carrier which is rotatable in a housing about an axis of rotation, the carrier carrying a plurality of roller vanes which are each received in a respective...
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7603941 |
Hydraulic pump or motor
The mechanism such as a motor or a pump comprises a cam ( 10 ) and a cylinder block ( 12 ) which has a plurality of cylinders ( 14 A, 14 B, 14 ) connected to communication orifices ( 34 A, 35 A;...
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7600983 |
Radial plunger pump and method for manufacturing pump housing
A pump housing supporting a driving shaft has a plurality of cylinder bores extending radially and arranged at substantially regular intervals around an outer periphery of the driving shaft. Each...
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7588119 |
Hydrostatic retarder pump and motor
The apparatus of the present invention includes a hydrostatic retarder pump and motor. The apparatus includes a housing rotatably supporting a shaft. The shaft includes a first eccentric portion...
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7524171 |
Radial piston fuel supply pump
An hydraulic head features two, three, or four individual radial pumping pistons and associated pumping chambers, annularly spaced around a cavity in the head where an eccentric drive member with...
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7513190 |
High-pressure pump for a fuel injection system of an internal combustion engine
A high-pressure pump having a rotationally driven drive shaft and at least one pump element which has a pump piston driven at least indirectly in a reciprocating motion by the drive shaft which...
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7481629 |
Radial piston pump
Proposed is a radial piston pump with a pump body, in which pistons and cylinders are circumferentially arranged about a driven eccentric, which the pump possesses a faceted slip ring ( 9 )...
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7448858 |
Pump aggregate
A pump aggregate A comprises a one-piece cast hollow body 1 including an exterior connection block 3 and an interior lateral wall 16 of a bearing shield. A pressure transmission path is...
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7445531 |
System and related methods for marine transportation
A system and related methods for manned and/or unmanned marine transportation involving equipping a vessel capable with a linear pump for propelling the vessel through or substantially over a body...
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7444989 |
Opposed pumping load high pressure common rail fuel pump
A high volume high pressure common rail pump for a fuel system includes pairs of pump head assemblies in phase with each other but oriented in opposition to one another about a rotating cam shaft....
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7422421 |
Plunger pump apparatus
A reservoir chamber 33 , which communicates with a vent passage 34 provided in an electric motor 11 , is formed between a motor casing 20 of the electric motor 11 and a body 13 in which a...
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7390174 |
Piston pump
A piston pump ( 10 ) for a hydraulic consumer of an electronically controlled vehicle brake system, carries a stepped piston ( 50, 50′ ) and centers a sealing assembly ( 26, 26′ ) which is...
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7384246 |
Pump element and piston pump for generating high fuel pressure
A pump element and a piston pump for generating high fuel pressure are proposed, in which tilting of the piston base relative to a drive shaft is effectively suppressed, so that the service life of...
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7377754 |
Compressor
A compressor includes a swash plate, and a shoe connected to an outer periphery of the swash plate. A surface of the swash plate slides upon a flat surface of the shoe. A sliding film is applied to...
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7313998 |
Motor/pump unit, particularly for anti-skid vehicle brake systems
The present invention relates to a motor-pump unit for slip-controlled vehicle brake systems, including an accommodating member for hydraulically active elements comprising at least one working...
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7300260 |
Special fluids for use in a hydrostatic transmission
A positive displacement piston unit is provided that utilizes a magnetorheological (MR) or electrorheological (ER) fluid as the transmission fluid. Each cylinder of the invention has an intake port...
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7296980 |
Intake valve for a high-pressure pump, in particular for internal combustion engine fuel
An intake valve for a high pressure pump for internal combustion engine fuel having a valve body having a seat with which cooperates a shutter kept closed by a first spring of substantially...
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7284537 |
High-pressure pump for a fuel-injection device of an internal combustion engine
A high-pressure pump having a rotationally driven drive shaft with a shaft portion embodied eccentrically to its axis of rotation, on which shaft portion a ring is rotatably supported. At least one...
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7281519 |
Set of piston type fuel pumps for internal combustion engines with direct fuel injection
A plurality of piston pumps form a set of piston pumps, each including one drive region and at least one pumping region. The a set of piston pumps includes at least two piston pumps of different...
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7273036 |
High-pressure fuel pump with a ball valve in the low-pressure inlet
A high-pressure a radial piston fuel pump in which the intake valves are embodied as ball valves, which has an advantageous effect on the efficiency of the high-pressure fuel pump. Moreover, the...
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7220109 |
Pump cylinder seal
A compact opposed piston pump minimizes axial spacing between its pistons on the drive shaft and thereby reduces the shaking couple and noise from reciprocation. Each piston has its own eccentric...
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7210463 |
Pump, especially for a fuel injection device for an internal combustion engine
A pump having least one pump element with a pump piston guided in a sealed fashion in a cylinder bore ( 26 ) of a housing part delimiting a pump working chamber in the cylinder bore, and driven...
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7178509 |
High-pressure pump, in particular for a fuel injection system of an internal combustion engine
A high-pressure pump having a pump housing in which a plurality of pump elements are disposed, and by means of which fluid is pumped at high pressure via a high-pressure conduit system to a common...
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7168929 |
Pump aggregate for a hydraulic vehicle braking system
A pump unit for a hydraulic vehicle brake system with traction control has an electric motor driving a radial piston pump. A rotor shaft of the pump unit has a hollow shaft with two standardized,...
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7134846 |
Radial piston pump with eccentrically driven rolling actuation ring
An hydraulic head features two or three individual radial pumping pistons and associated pumping chambers, annularly spaced around a cavity in the head where an eccentric drive member with...
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7048521 |
High pressure fuel supply pump with an intake valve member and a discharge valve member aligned along a plunger axis
In a high pressure fuel supply pump, a housing is provided with a through-hole having a step. A plunger is slidably accommodated in the through-hole on an axial end side thereof. An intake valve...
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7048516 |
High pressure fuel pump with multiple radial plungers
A fuel pump for supplying fuel at high fuel pressures includes a stationary body having a plurality of radial cylinders connecting with a central fuel chamber. Inlet and outlet passages communicate...
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7040872 |
Rotary fluid machinery
Pistons ( 41 ) are slidably received in a plurality of cylinders ( 39 ) disposed radially in a rotor ( 31 ), and a plurality of vanes ( 42 ) cooperating with the pistons ( 41 ) are disposed...
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7021911 |
Reverse-ported pump
A pump used in vehicle controlled braking systems provides a reverse direction of flow through a cylinder bore of the pump and utilizes an inlet check valve located outside of the piston at the end...
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6991438 |
Radial piston pump with piston rod elements in rolling contact with the pump pistons
In a piston pump for providing high-pressure fuel in a common-rail fuel injection system including a camshaft ( 2 ), which is mounted rotatably in a pump housing ( 1 ) and which has at least one...
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6971858 |
Anti-lock brake system pump housing
The present invention relates to an ABS pump housing. The ABS pump housing includes: a motor-receiving unit, a pump-receiving unit, an entrance solenoid valve, an exit solenoid valve and an...
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6916158 |
Radial piston pump
A piston pump including an inlet manifold, and outlet manifold, and a piston ring sandwiched between the inlet and outlet manifolds. The inlet manifold has a first face and a second face with at...
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6872056 |
Radial piston pump for producing high fuel pressure, as well as method for operating an internal combustion engine, computer program, and control and/or regulating unit
A radial piston pump used for producing high fuel pressure in fuel systems of internal combustion engines, in particular in a common rail injection system includes a housing with at least one...
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6846164 |
Multi-cylinder compressor having plural intake ports in a bearing plate and a cover member forming a sealed space over the bearing plate
The purpose of the present invention is to provide a multi-cylinder compressor permitting to increase a gas inflow into the housing without enlarging the intake ports of the bearing plate. The...
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6843645 |
Cooling system for a magnetic pump
A magnet pump includes a synthetic resin casing, divided into a front casing and a rear casing and configured to internally form an impeller housing chamber and a magnet can housing chamber...
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6843641 |
Radial piston pump
A radial piston pump for generating high fuel pressure in common rail fuel injection systems of internal combustion engines having a drive shaft which is rotatably supported in a pump housing and...
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6837694 |
Hydraulic pump unit with orifice plate for vehicle brake control system
A hydraulic pump unit for vehicle brake control system comprising a pump housing, a cylinder received in a receiving hole formed in the pump housing. The cylinder has a bottom portion and is...
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6817841 |
High-pressure fuel pump for internal combustion engine with improved partial-load performance
A fuel injection system in which only one pump element at a time can aspirate fuel. As a result, it is attained that even in partial-load operation, all the pump elements are in operation, and as a...
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6814548 |
Multiple piston engine with vibration reducing properties
The invention relates to a piston engine which is essentially comprised of an engine shaft and a set of modules, each of which comprises a cylinder and a piston powered by the engine shaft in the...
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6805538 |
Fuel tank mounted, motorized high pressure gasoline pump
A pump, for supplying high pressure fuel from a fuel tank to an engine via a common rail, includes a motor assembly ( 20 ) mounted on top of the fuel tank, a pump assembly ( 26 ) positioned within...
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6792968 |
Pump assembly and method
A pump assembly flows pressurized engine oil to hydraulic injectors in a diesel engine. The assembly includes a high-pressure pump with a bored piston passage. The outer end of the piston bore is...
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6779990 |
Bearing mechanism and a pump
A bearing mechanism comprises a shaft rotatably supported by a bearing accommodated in a cylindrical bearing accommodating portion. The shaft is applied with varying load in response to a slidable...
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6779986 |
Radial piston pump
The invention relates to a radial piston pump, comprising an inlet chamber with an inlet connection, an eccentric which may be driven in a rotating manner, arranged within the inlet chamber, for...
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6733248 |
Fluid pumping apparatus
A pump has wobble pistons rigidly connected to arms of a nutating plate that is mounted on a bearing eccentrically mounted to a drive shaft by a counterweight. The piston assembly is nearly...
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6732631 |
Needle bearing and pump unit having a needle bearing
A needle bearing for use in a pump has an inner race, embodied as an eccentric sleeve, needles, and an outer race with rims oriented radially inward on both of its face ends, of which one rim is...
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6692237 |
Rotary piston cylinder device with radially extending cylinder chambers intersecting at a rotary axis
A rotary cylinder apparatus which prevents a fluid from leaking from a contact portion of a piston and a cylinder member and consequently enables efficient rotation. The rotary cylinder apparatus...
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6672686 |
Pumping apparatus for a vehicle brake system
The fundamental approach of the present invention is to dispose bushes, in which pistons of a pumping apparatus for a vehicle brake system are movably disposed, in such a movable manner that they...
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6669453 |
Pump assembly useful in internal combustion engines
A pump assembly for mounting a high-pressure oil pump on an internal combustion engine where the pump in the assembly is mounted in a closed chamber and a solenoid controlled valve is mounted...
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6669166 |
Electromagnetic valve
In an electromagnetic valve, a composite valve case has a cylindrical hollow and a composite valve body formed in spool shape is slidably housed in the cylindrical hollow. The composite valve body...
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6666659 |
Flywheel attachment for a compressor motor
A reciprocating compressor provided with a plurality of gas compression means having a cylinder and a piston. The piston of each gas compression means is cooperated with the compressor by...
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