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WO/2004/083652A1 |
The present invention relates to an arrangement for controlling a 5 hydraulically driven motor (2), forming part of a hydraulic system in which hydraulic fluid under pressure forms a main flow through a main duct (1) in which the motor i...
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WO/2004/083653A1 |
The present invention relates to an arrangement for controlling two drive units which interact with one another, one of which consists of a hydraulically driven motor (2). This forms part of a hydraulic system in which hydraulic fluid un...
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WO/2004/083648A1 |
The present invention relates to an arrangement for controlling a hydraulically driven motor, forming part of a hydraulic system in which hydraulic fluid under pressure forms a main flow through a main duct in which the motor is connecte...
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WO/2004/074637A2 |
The present invention is a cylindrical linear fluid motor comprising a plurality of reciprocating rotary piston sleeve intermediate an inner coaxial hollow drive shaft and an outer coaxial cylindrical housing. Rotating disc valves at bot...
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WO/2004/064221A2 |
A system and method of generating energy as a function of gravitational force. This includes a potential energy of position energy generating system and method and a buoyancy and gravitation loop.
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WO/2004/057156A1 |
The invention relates to a radial-piston motor comprising pistons (2) that lie on the periphery of an eccentric (1). A respective guide body (5), which is mounted radially towards the exterior of the housing (4, 9) in order to oscillate,...
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WO/2004/051085A1 |
The invention concerns a hydraulic machine, in particular a hydraulic motor, comprising: a body (1), a piston (9) adapted to slide in reciprocating motion in a cylindrical housing (7) of the body, a chamber (C1, C2) being formed on eithe...
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WO2003050396B1 |
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...
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WO/2004/040132A1 |
The invention concerns a mechanism such as a motor or a pump comprising a cam (10) and a cylinder block (12) including a plurality of cylinders (14A,14B, 14) connected to communication orifices (34A, 35A ; 34B, 35B) arranged in a communi...
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WO/2004/033886A2 |
A gas stream with a reduced oxygen concentration relative to ambient air is used to vaporize a liquid fuel or liquified hydrocarbon gas, or is mixed with a vaporized gas, and the reduced oxygen vaporized fuel gas is fed to a combustion d...
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WO/2004/033759A2 |
Methods, apparatus systems which utilize gas-lift pumping in producing mechanical and/or electric power. A system and method for generating energy from electrolysis performed at a substantial depth inc includes generating gas by an elect...
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WO/2004/031576A2 |
The hydraulic machine with radial cylinders (3, 4, 5, 6 and 7) comprises pistons (8) with radial stroke, arranged in contact with an outer cam (13) and coplanar with said group of cylinders, each equipped with a roller on the path (12) o...
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WO2002057606A9 |
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 ...
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WO/2004/020826A2 |
The invention relates to internal gear gerotor mechanisms (GM) in which a tooth difference between the stator and rotor thereof is equal to one. The rotor axis of the planetary moving GM is offset at a distance of gear eccentricity with ...
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WO/2004/018871A1 |
A vane-type hydraulic motor includes a rotor (30) having a main shaft (70) and a plurality of vanes (35), a cam casing (10) having a chamber (11) for rotatably housing the rotor (30), a first port (13) and a second port (15) for supplyin...
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WO/2004/013490A1 |
An engine device (10) consumes air under pressure to produce usable mechanical power. The device includes a wheel (28) rotatably supported within a tank of fluid (52). A plurality of pockets (40) at spaced positions about a periphery of ...
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WO/2004/011797A1 |
A hydraulic motor comprises an output shaft (2), a plurality of cylinders (4) each receiving a piston expanded / contracted by hydraulic pressure, a swash plate (7) abutting against the expanded/contracted pistons (6) to impart a rotary ...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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 (...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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 ...
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