Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 101 - 150 out of 2,255

Document Document Title
WO/2012/018878
A fluid device (10) includes a displacement assembly (16) and a balance plate assembly (14) disposed adjacent to the displacement assembly (16). The displacement assembly (16) includes a ring (28) and a rotor (26) disposed in a bore (34)...  
WO/2012/018758
A method of operating a pump/motor includes pumping working fluid into a high- pressure manifold with a first piston/cylinder assembly while the piston in the first piston/cylinder assembly is displaced from a bottom dead center position...  
WO/2012/014128
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...  
WO/2012/014090
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...  
WO/2012/016240
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...  
WO/2012/016240
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...  
WO/2012/010137
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...  
WO/2012/010137
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...  
WO/2012/010261
The invention relates to a piston unit of a radial piston machine. The piston unit has a stepped piston and a roller or a roller body. A hydrostatic pressure or force release is provided in a contact region between the stepped piston and...  
WO/2012/003922
The invention relates to a hydrostatic machine, especially axial piston machine, comprising a driving shaft which is rotatably mounted in a housing and extends through the housing wall, a gap between the driving shaft and the housing wal...  
WO/2012/003258
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...  
WO/2011/162128
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...  
WO/2011/161117
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...  
WO/2011/161117
Disclosed is 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 (11), wherein ...  
WO/2011/162128
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...  
WO/2011/159874
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...  
WO/2011/137649
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...  
WO/2011/131498
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 ...  
WO/2011/128556
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...  
WO/2011/127883
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 ...  
WO/2011/121883
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...  
WO/2011/119061
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...  
WO/2011/115180
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, ...  
WO/2011/095280
The invention relates to an axial piston engine having a relief area controllable on the basis of the mode of operation.  
WO/2011/092312
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...  
WO/2011/082890
The invention relates to a method for determining the displacement of a radial piston machine (1) having adjustable eccentricity e, having cylinders (2) arranged in a pivoting manner and having a drive shaft driving an eccentric (5), whe...  
WO/2011/072817
The invention relates to a drive, comprising a fluid duct (4) that is guided circularly about an axis of rotation (2), at least in some regions, and of which the inner duct wall (4b) can be deformed flexibly in the direction of the outer...  
WO/2011/070019
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 ...  
WO/2011/052512
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...  
WO/2011/048298
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...  
WO/2011/048298
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...  
WO/2011/048958
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 ...  
WO/2011/046591
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...  
WO/2011/040895
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...  
WO/2011/038131
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...  
WO/2011/038131
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...  
WO/2011/027192
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...  
WO/2011/022835
There is provided a fluid turbine comprising a stator having a track, a floating rotor rotatable upon an axis and a plurality of paddles, each paddle pivotally coupled to the rotor at a first end and coupled to the track at a second end....  
WO/2011/025408
The invention relates to the field of power engineering. A radial hydraulic engine comprises a hermetically sealed, hollow housing (1) having an elliptical, cylindrical surface (3) therein that forms descending portions (4), on which the...  
WO/2011/008321
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...  
WO/2011/008321
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...  
WO/2011/001100
This machine comprises two volute casings describing an orbital relative movement, one of the volute casings being fitted with at least one scroll (7) and the other volute casing being equipped with at least two scrolls (12, 13), the var...  
WO/2010/145435
A vane pump/motor comprises a left end cover (1), a right end cover (2) and a cam ring (3) which is fixed between the left and the right end covers. An inner chamber of the cam ring (3) is distributed with a plurality of same working sec...  
WO/2010/147979
A rotary vane engine includes a sealing area that prevents or reduces carry-back between portions of the rotary vane engine. The rotary vane engine includes a stator housing having a stator wall with a first portion and a second portion....  
WO/2010/124541
A high-speed large-torque hydraulic blade motor, including a stator (1), a rotor (2), blades (3) and springs (7), where each blade (8) is arranged in the blade groove on the rotor (2). A spring (7) is disposed on the bottom of each blade...  
WO/2010/124840
A fluid operated actuator (100) is provided. The fluid operated actuator (100) includes a cylinder body (101) and a piston (102) movable within the cylinder body (101). The piston (102) defines a first chamber (105) and a second chamber ...  
WO/2010/115401
The invention relates to a hydraulic axial piston machine having a connecting plate. The axial pistons perform strokes with respect to the connecting plate, which is rigidly connected to the housing, in a drum rotating with respect to th...  
WO/2010/011909  
WO/2010/076543
Hydraulic motor (10) with radial pistons, with a cylinder block (12), two principal channels (26,28), a fluid distributor (30), a distribution valve (32) per cylinder and a control system (34) for the distribution valves (32). The motor ...  
WO/2010/076543
Hydraulic motor (10) with radial pistons, with a cylinder block (12), two principal channels (26,28), a fluid distributor (30), a distribution valve (32) per cylinder and a control system (34) for the distribution valves (32). The motor ...  

Matches 101 - 150 out of 2,255