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Patent Searching and Data


Matches 451 - 500 out of 6,367

Document Document Title
WO/2003/102420A1
A pump (200) comprises a driving rotor (202) and a driven rotor (203) that are positioned in a housing (199) such that, as the driving rotor and the driven rotor rotate, the teeth (223a) of the driving rotor and the teeth (223b) of the d...  
WO/2003/093702A1
The invention relates to a hydraulic motor unit comprising a hydraulic motor (1') which is connected to two working lines (3, 4). The swiveling angle (&agr ) of the hydraulic motor (1') is adjustable by means of an adjusting unit (7) whi...  
WO/2003/093677A2
A hydraulically operated motor may be located in an atmosphere having substantially high and varying pressure. The motor (130) may be provided with conduits (150, 158) that are in fluid communication with cavities (152) adjacent to the m...  
WO/2003/087579A1
The aim of the invention is to achieve a drive device with a stroke adjuster for a machine with several piston/cylinder units, which permits a stepless adjustment of the stroke of the piston from zero up to maximum stroke. The drive devi...  
WO2003029660A9
A speed-regulating hydraulic valve device (1) for hydraulic coupling and uncoupling of groups of chambers in a hydraulic multi-chamber motor (4) where the speed of the motor may be regulated by directing a flow of pressurised fluid to on...  
WO/2003/086676A1
A transmission (106) for connecting a rotary motor output shaft (104) to a rectilinear actuator (26) which is moveable rectilinearly along an actuator axis (Y) of translation. The transmission (106) comprises a frame (148), an eccentric ...  
WO/2003/076799A1
The invention relates to a hydraulic engine comprising a cylinder block (6) with stepped radial cylinders with two chambers (8A, 8B), a thrust body (4) and a fluid distributor (16). Each stepped cylinder can be connected to a connecting ...  
WO/2003/074872A1
An axial piston, swash plate type, variable volume hydraulic mechanism (A) includes a cylinder block (17) rotatably mounted on the shaft (2) which defined axial cylinders (20) with respective pistons (22) bearing on annular swash plate (...  
WO/2003/062602A1
A positive displacement hydraulic pump&sol motor assembly for an energy management system operable in a driving mode, a braking mode and a neutral mode to provide supplementary drive from a regenerative braking in a vehicle, includes a r...  
WO2002059482A8
This integral unit is available with its small outline dimensions, minimal mass and unit function improvement. The unit consists of a shaft (1) stored in a housing (4) and a hydraulic brake back flange. The back and the front support cov...  
WO/2003/062600A1
A positive displacement hydraulic pump&sol motor assembly for an energy management system operable in a driving mode, a braking mode and a neutral mode to provide supplementary drive from a regenerative braking in a vehicle, includes a r...  
WO/2003/062601A1
A positive displacement hydraulic pump/motor assembly for an energy management system operable in a driving mode, a braking mode and a neutral mode to provide supplementary drive from a regenerative braking in a vehicle, includes a rotar...  
WO/2003/058070A1
The invention concerns a hydraulic motor (1) with a gear set (11), comprising a toothed ring (14) with an inner toothing (15) and a gear wheel (12) with an outer toothing (13), rotating and orbiting inside said toothed ring (14), chamber...  
WO/2003/056172A1
The invention concerns a hydraulic radial piston motor comprising a cam, a distributor and a cylinder block whereof the cylinders are connected to communication orifices located in a communicating surface of the cylinder block. The direc...  
WO/2003/056171A1
The invention concerns a hydraulic radial piston motor comprising a cam, a cylinder block and a distributor. The cylinders of the cylinder block are connected to communication orifices (32A) located in a communication surface of the cyli...  
WO/2003/050396A1
This invention provides an apparatus and a method for generating power from a flowing liquid. The apparatus has three main components. The first component is a control unit (40) for selectively directing the lowing liquid to the second c...  
WO/2003/048587A1
The invention relates to a drive comprising a hydraulic pump by which means two hydraulic motors can be supplied with a pressure medium. The inventive drive comprises a variable hydraulic resistance in the admission line or outflow line ...  
WO/2003/033912A1
A vane rotary machine suitably used when low viscosity fluid such as water is used as working fluid, wherein a rotor (11) with vanes is rotatably stored in a cam casing (10), a motor supply port (or a pump discharge port) (30) for the wo...  
WO/2003/029660A1
A speed−regulating hydraulic valve device (1) for hydraulic coupling and uncoupling of groups of chambers in a hydraulic multi−chamber motor (4) where the speed of the motor may be regulated by directing a flow of pressurised fluid t...  
WO2003016680B1
A heat engine (10) and a method of opening the heat engine which includes a plurality of heating side expansion chambers (20) and cooling side expansion chambers (12), positioned on opposite sides of an axis, for providing rotation of an...  
WO/2003/027045A3
Systems and methods involving monopropellant and hypergolic powered proportional actuators that may be used in applications such as robotics. A blowdown tank (10) delivers fuel to a reaction site, produce gaseous products. Those gaseous ...  
WO/2003/027045A2
Systems and methods involving monopropellant and hypergolic powered proportional actuators that may be used in applications such as robotics. A blowdown tank (10) delivers fuel to a reaction site, produce gaseous products. Those gaseous ...  
WO/2003/016680A1
A heat engine (10) and a method of opening the heat engine which includes a plurality of heating side expansion chambers (20) and cooling side expansion chambers (12), positioned on opposite sides of an axis, for providing rotation of an...  
WO/2003/012289A1
The invention relates to an axial piston motor (1) whose axial pistons (3) move periodically in an oscillating manner with the rotation of the axial piston motor (1) in the housing (2). One proven disadvantage is that conventional mechan...  
WO/2003/006827A1
A rotary fluid energy converter capable of eliminating the need of a large capacity rolling bearing by canceling a bearing load with a couple formed by a fluid pressure, wherein a static pressure pad (6) held by a casing (5) is installed...  
WO/2003/006802A1
A Rankine cycle device provided with a working medium circulating circuit (110) including an evaporator (112), an expander (113), a condenser (114), and a pressure pump (115), wherein a mixture of oil for lubricating the expander (113) a...  
WO/2003/002291A1
A method of manufacturing a wear resistant shoe (26) includes upsetting (46) one end portion (38) of cylindrical member to work harden that portion to a substantial depth, machining (48) the cylindrical member portion to finished dimensi...  
WO2002059482B1
This integral unit is available with its small outline dimensions, minimal mass and unit function improvement. The unit consists of a shaft (1) stored in a housing (4) and a hydraulic brake back flange. The back and the front support cov...  
WO/2002/077457A1
A piston-chamber combination comprising an elongate chamber which is bounded by an inner chamber wall and comprising an elastically deformable piston comprising a container in said chamber to be sealingly movable relative to said chamber...  
WO/2002/070865A1
A rotary hydraulic machine comprising a first working section (49) and a second working section (57) comprising an axial piston cylinder group, wherein a rotary valve (61) for controlling suction/discharge of working medium for the first...  
WO/2002/059482A1
This integral unit is available with its small outline dimensions, minimal mass and unit function improvement. The unit consists of a shaft (1) stored in a housing (4) and a hydraulic brake back flange. The back and the front support cov...  
WO/2002/057606A1
The invention concerns a mechanism operating according to the principle which states that each point in a circle, running in the circle, describes a rectilinear hypocycloid. Said mechanism which is perfectly dynamically balanced reduces ...  
WO/2002/053907A1
The invention relates to a hydraulic motor device with a displacement selector (16) in at least two positions, methods of controlling said selector comprising a hydraulic control chamber (18) that can be supplied with fluid via a control...  
WO/2002/050454A1
A device for detecting failures of a hydraulic motor comprises a hydraulic pump (3) driven by a motor (2), a hydraulic motor (1) driven by the fluid discharged from the hydraulic pump (3), a failure detector (35) for detecting malfunctio...  
WO/2002/044525A1
The invention relates to a hydraulic device provided with a housing having at least a first line connection and a second line connection and, if appropriate, further line connections, a rotor which can rotate in the housing and chambers ...  
WO/2002/044524A1
The invention relates to a hydraulic device as a pump or a motor, having a rotor which is coupled to the shaft, chambers with a volume which, on account of the rotation of the rotor, varies between a minimum value and a maximum value, sw...  
WO/2002/042596A1
A compressed fluid driven downhole cam motor (1) of the type used during drilling/service operations in the ground, comprising an intermediate casing (4), a distributing valve (26), a rotor (18) and two or more pistons (48) arranged radi...  
WO2002016766A3
A double-acting reciprocating motor with uni-directional fluid flow path comprises a piston disposed within a cylinder. A first chamber is defined by the cylinder space between the piston and a cylinder base. A second chamber is defined ...  
WO/2002/036964A1
There is disclosed a fluid machine which, in one embodiment comprises a motor (10), the motor (10) comprising a shaft (12) rotatable about a main shaft axis (14); a sleeve (16) located around the shaft (12) and having a main sleeve axis ...  
WO2000009887A3  
WO/2002/033238A1
A fluid power transfer device (20) includes a wobble plate assembly (26) having a wobble plate (58) that rolls against truncated cone portions (42) of a housing (22) and has an inner extremity 60) rotatably supported by an axially inclin...  
WO/2002/018782A1
A hydraulic motor (10) wherein the number and placement of cylinder fluid inlets (L1,L2) and outlets (R1,R2) facilitates input and exhaust fluid distribution and control via a reduced number of valves (400) and flow paths, and also provi...  
WO/2002/016766A2
A double-acting reciprocating motor with uni-directional fluid flow path comprises a piston disposed within a cylinder. A first chamber is defined by the cylinder space between the piston and a cylinder base. A second chamber is defined ...  
WO/2002/002970A1
A hydrostatic transmission (10) comprises an array of radially arranged pistons (11) which are attached to rotor (15). The rotor (15) is stabilised against excessive rotation and bears on a crankshaft (20) has variable stroke which serve...  
WO/2001/098659A1
A hydraulic unit has a drive shaft (52) mounted in a manifold block (54) and coupled to a torque plate (80) on a central axis. A bent axis motive unit (60) has a yoke connected to the manifold block supported for rotation on the yoke. Ho...  
WO/2001/092730A1
The present invention relates to a hydraulic DEVICE comprising a valve housing (1) with a movable valve body (2) arranged inside the valve housing, a hydraulic cylinder with at least a hydraulic chamber (115), and at least a control mech...  
WO/2001/081727A1
The invention refers to a piston assembly for a radial piston hydraulic motor. The essence of the solution lies in that a longitudinal axis (12) of a roller (11) substantially coincides with an axis through centre of gravity of a piston ...  
WO/2001/065113A1
The invention relates to a leakage oil return apparatus for a hydraulic motor. The apparatus is used for returning the oil leaked from the working pressure space of a motor (1) into a motor casing (12) from the casing (12) back to a retu...  
WO/2001/065118A1
A hydraulic pressure transformer (10) for the conversion of an input hydraulic power to an output hydraulic power comprises a cam block (26) including a cam opening (30) defining a pump section (32) and motor section (34). The pump secti...  
WO/2001/061150A1
A rotary hydraulic motor (10) drives an output shaft (16), and engages a load shaft (70) through a clutch (17). The output shaft of the rotary hydraulic motor is displaced in an axial direction by an actuator rod (28) which is connected ...  

Matches 451 - 500 out of 6,367