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Patent Searching and Data


Matches 151 - 200 out of 2,288

Document Document Title
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 ...  
WO/2010/076542
Hydraulic transmission circuit comprising : two unitary motors (12,14,16;112,114;312,314,316; 506,508;6Q2,6Q4,606,608) associated to give a single drive, each unitary motor comprising two secondary chambers (25,27; 125,127,135,137;340,34...  
WO/2010/076542
Hydraulic transmission circuit comprising : two unitary motors (12,14,16;112,114;312,314,316; 506,508;6Q2,6Q4,606,608) associated to give a single drive, each unitary motor comprising two secondary chambers (25,27; 125,127,135,137;340,34...  
WO/2010/070913
Disclosed is a scroll type fluid machine capable of efficiently improving the heat exchange efficiency in a refrigeration cycle with a simple and highly efficient lubricating oil circulation means. The machine is equipped with: a back-pr...  
WO/2010/061168
The present invention relates to systems and methods for controlling downhole motors. One aspect of the invention provides a valve-controlled downhole motor including: a downhole motor and a spool valve. The downhole motor includes a sea...  
WO/2010/061168
The present invention relates to systems and methods for controlling downhole motors. One aspect of the invention provides a valve-controlled downhole motor (202) including: a downhole motor and a spool valve (204). The downhole motor in...  
WO/2010/052743
Hydraulic motor (1) with radial cylinders (2) provided with rotation speed detection, comprising: radial cylinders inside which the pistons (11) are positioned in alternate movement by means of a drive shaft (7); a rotating distributor (...  
WO/2010/046209
The invention relates to an arrangement for hydraulic eccentric adjustment to set a predefined displacement for a hydraulic motor, particularly a radial piston motor (1), comprising an adjustment device that can be loaded with a pressure...  
WO/2010/046209
The invention relates to an arrangement for hydraulic eccentric adjustment to set a predefined displacement for a hydraulic motor, particularly a radial piston motor (1), comprising an adjustment device that can be loaded with a pressure...  
WO/2010/035102
The present utility model is a free-piston engine comprising pinions, with various stages, providing excellent efficiency and control.  
WO/2010/035102
The compressed-gas engine comprises a compressed air tank (1 ), pipes (2,12,17,28) and valves (3,11,16,21 ) connecting the tank (1 ) to cylinders (4,13,18), chains (8,24,25) connected to the piston rods (6,15,20) of the cylinders (4,13,1...  
WO/2010/035102
The present utility model is a free-piston engine comprising pinions, with various stages, providing excellent efficiency and control.  
WO/2010/025729
The invention relates to an axial piston machine comprising a cylinder drum that has at least two cylinders, a piston (20) in each cylinder, said piston contacting a swashplate (23) at a sliding surface, a valve arrangement that comprise...  
WO/2010/017700
A double oil passage vane pump, includes a left end cover (1), a right end cover (4), a stator (2), a rotor (8), multiple vanes (5) and a working shaft (6), the cavity of the stator (2) is evenly distributed with several action sections ...  
WO/2010/011909
A piston comprises a piston shaft and a drive pin. A piston cylinder comprises a body and a groove, the groove defining an aperture oriented axially along the body and configured to receive the drive pin. The body encloses the piston and...  
WO/2010/007710
A swash plate type hydraulic rotating machine which can be produced at enhanced productivity and in which sliding surfaces of tilt angle adjusting cylinders have high seizure resistant and wear resistant properties. In a swash plate type...  
WO/2009/146497
There is an engine having at least one piston (2) which is slidable in a cylinder (11) against a spring bias (6) from a first relatively high pressure area (5) to a second relatively low pressure area (3). There is a valve means (9) oper...  
WO/2009/130798
A motor which obtains high-output kinetic energy from a low-pressure and low-speed water flow (Patent Publication No. 2004-316620) and can convert kinetic energy into mechanical energy with stable rotation suppressed with unavoidable pul...  
WO/2009/125308
The present invention relates to positive displacement hydraulic machines, and more particularly the present invention relates to hydraulic pumps, pneumatic pumps, hydraulic motors, and pneumatic motors. In the rotary hydraulic machine i...  
WO/2009/124461
A hydraulic power engine and generator group apparatus comprises four parts. The first part (51) is an energy conversion magnifying power region, which includes a speed adjustable direct current motor (2) connected in series with accumul...  
WO/2009/110043
A small sized and light weight electric motor integrated type hydraulic motor which can be efficiently operated by integrating an electric motor and a hydraulic motor in a simple composition is provided in the composition with a swash pl...  
WO/2009/098773
[PROBLEMS] Provided is a gear wheel pump or a motor in which friction resistance between a side surface of a gear wheel and a sliding surface of a side plate is reduced and driving torque is reduced and the life of which can be extended ...  

Matches 151 - 200 out of 2,288