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WO/2012/114589A1 |
In order to reliably lubricate between a sliding protruding part of a support body and a sliding recessed part of a skew plate without incurring problems such as movement of the skew plate with respect to a casing, a ball retainer (50) h...
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WO/2012/104035A1 |
A piston assembly for a hydraulic piston motor is disclosed, having a piston and having a sliding pad, wherein the piston is connected to the sliding pad via a joint which has an articulation socket and an articulation head, wherein the ...
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WO/2012/106558A2 |
An apparatus and method for converting wave energy using the relative rotational movement between two interconnected float assemblies and the relative rotational movement between each of the float assemblies and a spar which extends from...
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WO/2012/100094A2 |
A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers...
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WO/2012/091630A1 |
The invention relates to the field of engine building. The asymmetrical radial mechanical engine comprises: a housing (1) having a working surface (3) therein which is comprised of two eccentric halves, one having a circular surface and ...
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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/2012/075625A1 |
A distributor assembly (12) includes a distributor housing (102) and a valve selector plate (104). The distributor housing (102) includes an axial bore (106) extending in an axial direction through the distributor housing. The valve sele...
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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/2012/066593A1 |
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/2012/058527A2 |
A method for pressurizing a roll pocket of a displacement assembly of a fluid device includes providing a fluid device having a displacement assembly. The displacement assembly includes a ring defining a central bore and roll pockets dis...
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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/2012/048783A1 |
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/2012/038198A1 |
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/2011/162128A9 |
On the surface of a cylinder block (6), a surface treatment layer (15) is formed in such a way as to cover the entire surface including a center hole (7) and a plurality of cylinder holes (8). The surface treatment layer (15) consists of...
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WO/2012/029229A1 |
Provided is a cam motor which is easy to manufacture and maintain. The cam motor is provided with: a main shaft (2) which is arranged so as to be able to rotate around the shaft centre; a cam disc (3) which is arranged on the main shaft ...
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WO/2012/026348A1 |
An axial hydraulic pump configured in such a manner that the cylinder block (6) having cylinder bores formed around the rotation axis slides relative to the valve plate (7) having a high-pressure-side port and a low-pressure-side port an...
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WO/2012/023231A1 |
Disclosed is an electro-hydraulic drive system for a work machine, allowing efficient operation by means of oil pressure and electricity. Said drive system, which adjusts the flow rate of a hydraulic fluid by means of a control valve (6)...
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WO/2012/023155A1 |
Disclosed is an integrated electro-hydraulic motor (1) provided with a hydraulic motor (10) and an electric motor (30). Said integrated electro-hydraulic motor (1) has a rotary shaft (11) rotated by a supplied hydraulic oil. The electric...
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WO/2012/022924A1 |
A fluid-working machine for a renewable energy generation device, the fluid-working machine comprising a ring cam and a plurality of working chambers, the ring cam having an annular working surface extending around an axis of rotation of...
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WO/2012/022953A1 |
A ring cam (1 ) for a fluid-working machine is formed from a plurality of segments (5, 7). The segments have piston facing surfaces (15, 16) together defining a working surface of the fluid-working machine. The segments comprise a leadin...
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WO/2012/022444A1 |
The invention relates to a device having a plurality of valve-controlled piston engines, each of which has a group of cylinder-piston units. Each cylinder-piston unit has a low-pressure valve that can be actively controlled via at least ...
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WO/2012/022952A1 |
A ring cam (1 ) for a fluid-working machine is formed from a plurality of segments. (5, 7) The segments have piston facing surfaces (15, 16)together defining a working surface of the fluid-working machine. The segments comprise a leading...
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WO/2012/022954A1 |
A fluid-working machine comprising a ring cam (1), at least one piston (11) defining a working chamber, and at least one valve (19, 21) associated with the or each working chamber for connecting the working chamber alternately to low and...
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WO/2012/017820A1 |
Provided is a fluid rotary machine of which footprint can be decreased by achieving a reduced parts count and a simplified valve structure as well as by reducing externally coupled pipes used for suction and discharge of a fluid. The flu...
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WO/2012/017831A1 |
Provided is a motor-manipulated type hydraulic actuator unit, wherein an electric motor the movement of which is controlled by a control device activates a capacity adjustment mechanism via a driving-side arm and a driven-side arm, and w...
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WO/2012/016283A1 |
A screw turbine comprising a helical turbine blade mounted for axial rotation, a mount associated with the helical turbine blade and mounting the helical turbine blade for axial rotation, and a generator associated with the helical turbi...
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WO/2012/016240A2 |
A variable displacement hydraulic axial piston machine includes (a) a housing having an outlet opening; (b) a barrel mounted in the housing for rotation about a rotation axis; (c) a plurality of pistons movable in respective bores in the...
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WO/2012/014128A1 |
In an axial piston machine with variable displacement with tilted cylinder block, a distributor is coupled with the cylinder block, and a magnetostrictive position sensor has a magnet that is integral with the distributor and a sensor ro...
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WO/2012/014090A1 |
A rotary hydraulic machine having radial pistons, comprising a rotating shaft (2), a cylinder-housing body (3) having a plurality of housing seatings (4) arranged radially and equidistanced from the rotation axis (R) of the rotating shaf...
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WO/2012/010137A2 |
The invention relates to a hydraulic dual axial piston machine, comprising a first driving unit and a second driving unit, which are arranged one behind the other in the direction of the axis of a drive shaft and which are oriented oppos...
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WO/2012/003258A2 |
Disclosed is a multipart valve assembly. The assembly can be used in selectively coupling two vehicles. The assembly includes inter-fitting male and female components and associated control valves. Coupling the male and female components...
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WO/2011/161117A2 |
The invention relates to a hydrostatic rotary piston machine according to the orbit principle, having a power element (51) acting as an output and comprising a stationary stator (52), a rotary piston (8), and a rotatably mounted shaft (1...
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WO/2011/159874A2 |
A linear energy harvesting device that includes a housing and a piston that moves at least partially through the housing when it is compressed or extended from a rest position. When the piston moves, hydraulic fluid is pressurized and dr...
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WO/2011/137649A1 |
A piston type power machine comprises a cylinder body (1) and a piston component (2) mounted in the cylinder body (1). Both ends of the piston component (2) are symmetrically provided with pistons (21) which are fixed on the respective e...
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WO/2011/131498A1 |
The present invention relates to a braking device comprising - a casing mounted in relative rotation with respect to a shaft, - first braking means secured to the brake casing, - second braking means secured to the shaft and designed to ...
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WO/2011/127883A1 |
The invention relates to a connection plate for a hydrostatic piston machine, comprising two connection openings on opposite lateral surfaces of the connection plate. The connection openings are arranged at an offset from a main axis of ...
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WO/2011/128556A1 |
The hydraulic transmission device (10, 210, 310, 410, 510) comprises at least one disengageable hydraulic motor (26A, 26B) of the radial pistons type, which is connected by two motor pipes (30, 32, 302A, 322A) and one casing pipe (40, 24...
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WO/2011/121883A1 |
An effectively cooled valve plate for a hydraulic motor and a hydraulic pump. A valve plate (5) used for a swash plate motor (1) having a motor shaft (4) and a cylinder block (3) which are provided in a motor housing (2). The valve plate...
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WO/2011/119061A1 |
The patent refers to the driving engine with changeable media under pressure on the operating area of the operating pistons. The patent solves the device construction which enables the drive of different devices, whereby the operation of...
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WO/2011/115180A1 |
Disclosed is a hydraulic pump/motor provided with two pressure accumulation oil passages (20, 21) for accumulating pressure, which respectively communicate with a pair of ports (20a, 20b) and a pair of ports (21a, 21b), said ports (20a, ...
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WO/2011/092312A1 |
The present invention relates to a subassembly for forming a hydraulic motor after assembly onto an assembly including a shaft (400), said subassembly including a cover (100) forming a housing element, a multilobe cam (200), a cylinder b...
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WO/2011/070019A1 |
A hydrostatic radial piston machine has: a radial cylinder piston block (9) with cylinder bores (11) which emanate from an outer circumferential surface of the radial cylinder piston block, extend into the interior of the latter and are ...
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WO/2011/052512A1 |
Provided is an axial piston hydraulic rotating machine wherein the stability of a piston shoe is high. A circular internal static pressure pocket (23) which communicates with a fill opening (9A), an inner peripheral land portion (22) for...
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WO/2011/048958A1 |
A motor displacement switching actuator (10) changes the displacement of a hydraulic motor (1) in response to the inflow and outflow of the operation liquid into and out of a drive pressure chamber (72). When at a supply position (H), a ...
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WO/2011/048298A2 |
The invention relates to a power production unit including at least one first convergent pipe (11) and an engine (2), the first pipe (11) including an inlet (110) operationally supplied with a fluid moving in an accelerated manner within...
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WO/2011/046591A1 |
An internal combustion engine (1 1) drivably connected to a variable displacement and variable internal compression ratio supercharger (18) that supplies varying amounts of air to the engine air intake manifold (12) that can range select...
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WO/2011/040895A1 |
The invention relates to the field of mechanical engineering, and more specifically to reciprocating internal combustion engines which are in widespread use in land-based and water-based transport, aviation and power plants. The main ele...
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WO/2011/038131A2 |
A system and method for underwater compressed fluid energy storage include a compressed fluid storage system that comprises a fluid containment vessel positioned on a floor of a body of water, wherein the fluid containment vessel compris...
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WO/2011/027192A1 |
A control device (20) for controlling a speed of a hydraulic motor (22) includes a housing (26) defining a first void (28). A speed valve (30) is disposed within the first void (28) and is moveable between a first speed valve position (9...
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