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WO/2012/088304A2 |
The invention provides a drug delivery device for one or more drugs. The device has a drug core which is surrounded by an internal and external sheath. The external sheath has a first cap that is permeable to at least one drug in the cor...
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WO/2012/084307A1 |
The invention relates to a pump (10) having an outflow channel (38) for discharging fluid out of the pump (10), the outlet area thereof being determined by a throttle, wherein the throttle is designed having a spring element (42) which c...
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WO/2012/084308A1 |
The invention relates to a method for controlling the wheel brake pressures in wheel brake cylinders (3) in a hydraulic vehicle braking system (1). The invention proposes to connect the wheel brake cylinders (3) via wheel valves (10) to ...
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WO/2012/084300A1 |
In a piston pump (10) for delivering fluids, having a piston (16) which can be driven so as to perform a reciprocating stroke movement, having a cylinder barrel (26) in which the piston (16) is held in an axially displaceable manner, and...
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WO/2012/080214A1 |
A high-pressure pump (1) which serves in particular as a radial piston pump or in-line piston pump for fuel injection systems of air-compressing, self-igniting internal combustion engines comprises a pump assembly (15) and a drive shaft ...
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WO/2012/080436A1 |
A piston (100) suitable for a pressure pump (10) comprising a cylinder housing (12) with a cylinder chamber (14) and a guiding section (16) comprises a piston body (120) with a cavity. The piston (100) includes a central longitudinal axi...
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WO/2012/080334A1 |
A pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine (3) is provided with a hydraulic circuit (14) having a first line (15) for connecting together a fuel storage tank (2) and a pre-feed pump (7), a seco...
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WO/2012/079831A1 |
The invention relates to a high-pressure pump for a fuel injection system of an internal combustion engine, wherein the high-pressure pump has at least one pump piston which is driven by the rotation of a drive shaft around a rotational ...
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WO/2012/079815A1 |
In a piston pump (10), in particular for a hydraulic assembly of an electronically controllable vehicle brake system, having a cylinder element (22), in which a pressure chamber (32) with an outlet is formed on the inside, an outlet-rest...
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WO/2012/079807A1 |
A hydraulic device comprising a housing (10) and a closure element (7) arranged thereon is characterized according to the invention in that the closure element (7) is connected to the housing (10) by means of torsional welding.
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WO/2012/077157A1 |
Provided is a skew plate-type rotary machine equipped with: a rotary shaft (3); a valve plate (4); a skew plate (15); a cylinder block (9) fitted onto rotary shaft (3) so as to be in sliding contact with the valve plate (4); cylinders (1...
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WO/2012/076097A1 |
Disclosed is a hydrostatic piston machine having a first and a second group of piston-cylinder units. The pistons are coupled - preferably via a common disc - to a drive shaft and rotate together with the latter. The stroke between the c...
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WO/2012/076484A1 |
The pump comprises at least one pump element (18) that has a pump piston (20) which is at least indirectly driven by a rotating drive shaft (14) during a reciprocating motion, said drive shaft (14) including at least one cam (16). The pu...
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WO/2012/076098A1 |
The invention relates to a system for axially fixing a piston for an axial piston machine in a sliding shoe. The system comprises a sliding shoe (1) and at least one additional sliding shoe (2) and a sliding shoe for an axial piston mach...
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WO/2012/072185A1 |
A hydraulic additional drive having a hydraulic motor whose working ports can be connected to a pump via a high pressure branch and a low pressure branch is disclosed. The hydraulic motor also has a purging port to which a feed pressure ...
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WO/2012/072294A1 |
A high-pressure pump (1), in particular for a motor vehicle (38), for delivering a fluid, in particular fuel, for example diesel, comprising a drive shaft (2) having at least one cam (3), at least one piston (5), and at least one cylinde...
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WO/2012/075441A1 |
A regenerative hydraulic pump that allows for efficient operation of a hydraulic system under high pressure/low flow conditions that comprises a crankshaft providing a rotating inertial mass, and a regenerative hydraulic pump cylinder th...
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WO/2012/069734A1 |
The invention relates to a variable displacement hydraulic machine, in particular for a motor vehicle, said hydraulic machine comprising a rotating cylinder (10) including a series of axial pistons (12) connected to a first plate (14) ax...
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WO/2012/069046A1 |
A radial piston pump (1) is proposed with a housing (3), a drive shaft (5), an eccentric (7) which is coupled fixedly to the drive shaft (5) so as to rotate with it, a cylinder block (9), at least one radial bore in the cylinder block (9...
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WO/2012/070881A2 |
The present invention relates to a fluid-circulating device using a cam track and centrifugal force, wherein the fluid-circulating device comprises, to drive a piston by the centrifugal force of radially arranged weights so as to circula...
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WO/2012/069118A1 |
Disclosed is an axial piston unit for delivering a fluid from at least one low-pressure source into a pressure pipe, comprising two hydrostatic driving mechanisms, one of which is designed as a constant driving mechanism while the other ...
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WO/2012/065775A1 |
The invention relates to an arrangement (10) for mounting a drive shaft (14) which has a centre axis (12) at three bearing points (16.1, 18.1, 20.1) with in each case one bearing (16.3, 18.3, 20.3) which has a bearing centre axis (16.2, ...
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WO/2012/066593A1 |
Provided is a cooling structure for a cylinder block (12) with which the cooling characteristic for a sliding surface can be improved. The cylinder block (12) has multiple cylinders (20), and pistons are inserted into these cylinders (20...
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WO/2012/066090A1 |
The invention relates to a method for the rotational-speed-variable control of an expeller pump unit for feeding a fluid, composed of an expeller pump and a drive, wherein the drive is composed of an electric drive motor and a frequency ...
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WO/2012/065682A1 |
A piston engine is disclosed with a plurality of cylinder/piston units and with a drum which is arranged fixedly on a drive shaft so as to rotate with it. Via the drum, the cylinders are coupled in a synchronously circulating manner to t...
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WO/2012/063119A2 |
A radial cylinder hydraulic machine, comprising: oscillating radial cylinders close to the external shell of the crown or star of cylinder-group pistons: the pistons (3) of said groups are made sliding on a crank shaft (1) with throw (2)...
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WO/2012/059298A1 |
The invention relates to a fuel conveyor for a combustion engine, comprising a housing (1) for receiving at least one conveyor module, and a drive shaft (2) for driving said conveyor module, the drive shaft (2) being rotatably mounted in...
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WO/2012/058893A1 |
A swing barrel type positive displacement pump using a cross shaft joint bearing includes a main shaft (1) for connecting with a motor. The upper part of the main shaft (1) is slantwise provided with a rotating barrel (2) which swings al...
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WO/2012/059319A1 |
The invention relates to a pump comprising at least one pump element (18) comprising a pump piston (20) driven in a stroke motion by a drive shaft (14). The pump piston (20) is driven by a rotating drive shaft (14) in a stroke motion, wh...
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WO/2012/059315A1 |
The pump has at least one pump element (18), having a pump piston (20) which is guided in a cylinder bore (22) of a housing part (24) and is driven indirectly by a drive shaft (14) in a reciprocating movement. The pump piston (20) is sup...
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WO/2012/058894A1 |
A hyperboloidal limit baffle for a swinging barrel type positive displacement pump is disclosed. The baffle (1) has a surface in the form of hyperboloidal shape. The hyperboloidal shape coincides with a composite trajectory of one or mor...
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WO/2012/055629A1 |
The pump (1) has a housing (2) and a drive shaft (3) which is accommodated in said housing (2) and by which at least one pump piston (18) is driven at least indirectly. The drive shaft (3) is mounted via at least one sliding bearing arra...
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WO/2012/056392A1 |
An axial piston machine of a kind that has a plurality of pistons each reciprocating in a respective cylinder in a direction substantially parallel or at an angle less than 30 degrees to a crankshaft axis. The crankshaft axis presents a ...
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WO/2012/052225A1 |
The invention relates to a fuel pump (5) for a fuel pump injection system of an internal combustion engine, comprising a pump housing (14), a pump shaft (10), two pump shaft bearings for mounting the pump shaft (10) in the fuel pump (5),...
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WO/2012/049069A1 |
The invention relates to a high pressure pump (10) for delivering fuel, in particular diesel fuel, for a motor vehicle, comprising a first housing part (40) having a first mounting point (18), a second housing part (42) having a second m...
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WO/2012/050446A1 |
The invention is related to a hydraulic device comprising a housing including pipe ports, a rotor (14) having rotor chambers (9) which are formed by a cylinder (11) and a piston (12) which rotate about a first axis of rotation (ml) and a...
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WO/2012/048960A1 |
The invention relates to a high-pressure pump of a fuel injection system of an internal combustion engine, having a pump housing (1) in which a pump camshaft (2) is rotatably mounted and interacts with a pump piston foot (15) of a pump p...
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WO/2012/048967A1 |
The invention relates to a roller shoe 7 for a high-pressure pump 1 of a fuel injection system of an internal combustion engine, having a pump housing 2 comprising an inner pump chamber 3, in which a pump camshaft 4 is rotatably mounted,...
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WO/2012/048783A1 |
The invention relates to a hydraulic axial piston engine having a crucible-shaped housing in which a pivotable cradle is mounted, on which pistons are supported. For the purpose of generating lift, the pistons are arranged parallel to a ...
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WO/2012/048961A1 |
The invention relates to a high-pressure pump (1) of a fuel injection device, which can be used in particular for a common rail injection device of an internal combustion engine. The high-pressure pump (1) comprises a pump shaft or drive...
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WO/2012/048984A1 |
The invention relates to a high-pressure pump for a fuel injection device of an internal combustion engine, comprising at least one pump piston driven by the rotation of a drive shaft about a rotary axis via a cam disposed on the drive s...
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WO/2012/045394A1 |
The invention relates to an axial piston machine having a housing part, in which at least one connection (7) for a hydraulic line is provided. The housing part (3) is part of a housing which has a cylinder barrel which has cylinder bores...
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WO/2012/038119A1 |
A procedure for manufacturing a pump (10), in particular for a vehicle brake system, comprises the steps: provision of a pump housing (30), formation of a blind hole (44) in the pump housing (30) starting from a region in the pump housin...
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WO/2012/037738A1 |
A plunger water pump comprises a chamber, a rotating main shaft (1) and a plunger distributing unit. The plunger distributing unit comprises a distributing valve assembly (13), a plunger-shoe assembly (23) and a support valve assembly. T...
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WO/2012/038198A1 |
The invention relates to a high-pressure pump for a fuel injection device of an internal combustion engine, in particular for a common rail injection system, having a pump casing in which, at least to some extent, at least one pump eleme...
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WO/2012/035270A1 |
Hydraulic device such as a motor or a pump comprising a first set of parts (1C), including a casing portion, and a second set of parts (1D) fixed to said first set. Said sets have a first and a second contact face (1C',1D'), respectively...
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WO/2012/034737A1 |
In a pump (10), in particular for a vehicle brake system, having a pump piston (16) which is guided displaceably in a pump cylinder (32), according to the invention the pump cylinder (32) is produced by means of deep drawing.
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WO/2012/034619A1 |
The invention relates to an axial piston machine, comprising a housing part (2), a drive shaft (4, 5), which is mounted in the housing part, and a cylinder drum (10, 11), which is connected to the drive shaft (4, 5) in a rotationally fix...
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WO/2012/031368A1 |
The novel invention proposes a method and a device for operating axial piston machines, wherein the sliding pads are mounted hydrodynamically on the swash plate by means of the surrounding medium during operation of the axial piston mach...
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WO/2012/028363A2 |
The invention relates to a piston pump for delivering fluids, which piston pump comprises a piston, a cylinder element (5) and a pressure chamber (5.2) which is arranged between an inlet valve and an outlet valve and is closed by a cover...
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