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WO/2021/195799A1 |
A hydraulic generator, comprising a hydraulic motor functional member (1) and a power generation functional member (2). The hydraulic motor functional member (1) is a hydraulic motor, and the power generation functional member (2) is a p...
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WO/2021/198572A1 |
The hydraulic piston with a depressurised recess (1) may translate in a cylinder (2) and comprises a fixed skirt (3), an axial compression face (4) which forms a fluid chamber (5) with the cylinder (2), and an axial working face (6) whic...
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WO/2021/186089A1 |
The invention relates to an engine that uses a mixture of bioethanol and hydrogen peroxide or water, the engine thus being more environmentally friendly. The engine comprises an engine block with a cylindrical internal chamber containing...
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WO/2021/172998A1 |
Energy harvesting buoy (10) comprising a float (11) and a waveenergy converter (20), wherein the wave energy converter (20)comprises a translator (40) in the form of a magnetic lead screwarranged movable in a sleeve (30) extending vertic...
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WO/2021/160005A1 |
A cylinder body fixed hydraulic motor, comprising a static flow distribution surface and a rotary flow distribution surface. The static flow distribution surface is provided with a cylinder hole window (101), an oil inlet window (102) an...
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WO/2021/160181A1 |
A flow distribution structure for a cylinder block fixed hydraulic motor/pump, comprising a stationary flow distribution surface and a rotary flow distribution surface. A cylinder hole window (101), an oil inlet window (102) and an oil o...
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WO/2021/124930A1 |
This hydraulic pump-motor is provided with: a cylinder block that rotates about a rotary shaft; a piston that is disposed in a cylinder bore of the cylinder block; and a valve plate that faces a cylinder port in the cylinder bore. The va...
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WO/2021/123549A1 |
The hydraulic machine (2) comprises: - a housing (4), - a shaft, - a cam, - a cylinder and piston block designed to cooperate with the cam, and - a brake (112), the brake comprising: - a stack of discs (20) connected alternately to the h...
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WO/2021/123630A1 |
The invention relates to a hydraulic machine (1) such as a variable displacement axial piston pump or motor, comprising - a variable inclination plate (2), comprising an axis of rotation (YY') linked to axial pistons (3), each having a v...
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WO/2021/116928A1 |
Motor (100) comprising a stator (20), a rotor (10), a fluid feeder (60) comprising a heating chamber (73), wherein said rotor (10) comprises a multiplicity of radial housings (14), a multiplicity of elastic means (45) housed in a radial ...
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WO/2021/111175A1 |
A pump (10) for exerting a compression action on a fluid, comprises a casing (12) for rotatably supporting a corresponding shaft (14) having a respective rotation axis (140); means (16) for actuating said fluid, which are in the form of ...
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WO/2021/098542A1 |
A swing blade-type hydraulic power device, comprising a cylinder block (1), a cylinder head (2), a rotor (3), and blades (4), the rotor (3) being movably connected to the inner edge of the blades (4), and the blade (4) being rotatably sw...
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WO/2021/077584A1 |
An all-metal downhole motor based on a multi-stage double plunger-eccentric gear mechanism, comprising a flow distribution shaft (8), an outer pipe (1), and a multi-stage eccentric gear driving mechanism which are arranged coaxially. The...
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WO/2021/065553A1 |
In the present invention, in order to prevent the occurrence of pressure pulsation while suppressing a situation where there is a size increase, a regeneration port 9e is provided to a valve plate 9 at a location that communicates with a...
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WO/2021/054924A1 |
This invention is related to the air turbine made in order to generate energy from the forward movement of moving air, sea and land vehicles and to store the obtained energy by means of batteries which comprises, main body (1), fan (2), ...
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WO/2021/044570A1 |
According to the present invention, a low-pressure side cut-away region (1) for forming, inside a body (11), an internal flow passage facing in the axial direction of a pair of helical gears (25; 26) is formed communicating with a suctio...
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WO/2020/202630A1 |
[Problem] To provide a gear pump or a gear motor in which flexion of a drive shaft and a driven shaft are reduced. [Solution] A gear pump 10 or a gear motor comprises: gears 12, 14 that mesh together and constitute a pair; shafts 16, 18 ...
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WO/2020/193694A1 |
Disclosed is a hydraulic piston machine comprising a housing (100), a shaft (200) that is able to rotate relative to the housing (100), a cam (112) secured to one of the housing (100) or the shaft (200), a cylinder block (334) comprising...
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WO/2020/194941A1 |
This seal structure (100), for sealing between an opening end surface (12a) provided in a case (12) and an end surface (13a) facing the opening end surface (12a) and provided in a cover (13), comprises: an O-ring (22) provided in a compr...
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WO/2020/182199A1 |
A flow-distributing sliding plate pair and a piston pump or motor including said structure, comprising a swash plate (40) and a sliding plate (50) carried on the swash plate (40), the sliding plate (50) being an integral structure, facin...
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WO/2020/183661A1 |
This gear pump, and gear motor, is provided with a drive gear, a driven gear provided meshing with the drive gear, and a cover member opposing a lateral face of the drive gear and a lateral face of the driven gear. Between the drive gear...
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WO/2020/173520A1 |
The invention relates to a piston (2) for an axial piston engine (1), wherein the piston (2) has a ball head portion (7a) having a ball surface (17), a shaft portion (7b) and a seal portion (7c). The shaft portion (7b) connects the ball ...
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WO/2020/168645A1 |
A mechanical-electrical-hydraulic hybrid intelligent torque converting engine, comprising a mounting bracket (1), wherein two piston cylinders (2) are provided at the upper side of the mounting bracket (1) side by side; each piston cylin...
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WO/2020/171715A1 |
A fluid-driven linear motor comprises a cylinder (5), a piston (4) and a piston rod (3) connected to the piston (4), wherein the two sides of the piston (4) in the cylinder (5) are alternatively supplied with fluid from a slide valve arr...
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WO/2020/152402A1 |
The invention relates mainly to a pumping system (1) which comprises an alternating distribution device comprising at least one shut-off device (7) comprising four mobile shut-off members (70-73) for shutting off first and second inlets ...
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WO/2020/152909A1 |
A hydraulic rotary machine (100) includes: a case (3); a cylinder block (2) accommodated in the case (3) and having a plurality of cylinders (2b); pistons (5) inserted into the cylinders (2b) so as to be able to reciprocate; a swash plat...
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WO/2020/150082A1 |
A progressive cavity pump or motor comprising: a stator comprising: a stator assembly having a radially outer surface and a radially inner surface defining a helical-shaped stator through-bore extending axially through the stator; and a ...
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WO/2020/128140A1 |
A radial piston hydraulic motor comprising a box frame (10) with a cam ring (11) connected thereto,pistons (13a1, 13a2…) in a piston frame (12) and press rollers (14a1, 14a2…) in the pistons, which press rollers can be pressed by mea...
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WO/2020/084228A1 |
Assembly comprising a hydraulic apparatus (3) along a second axis of rotation (Z-Z) by means of a proximal bearing (5A) and a distal bearing (5B), the hydraulic apparatus (3) comprising a shaft (4), a multilobe cam (34), a cylinder block...
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WO/2020/078258A1 |
A pneumatic engine. A thin-wall seamless round steel pipe, serving as a piston (2), with two ends sealed by a gland and an inner cavity filled with a flexible body 4, is assembled in a hydraulic cylinder with a first cavity (A) and a sec...
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WO/2020/070435A1 |
A pressure exchange unit with a hollow cylindrical body (1), a piston (2) sliding in the body, the piston (2) comprising a piston head (2) separating the inside of the cylindrical body (1) into a downstream chamber and an upstream chambe...
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WO/2020/066526A1 |
A piston pump (100) is provided with a first biasing mechanism (30) for biasing a swash plate (8) according to supplied control pressure, a second biasing mechanism (40) for biasing the swash plate (8) against the first biasing mechanism...
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WO/2020/054144A1 |
This brake system (100) for braking a hydraulic motor (1) is provided with a valve device (40) that opens and closes supply passages (53, 54) for supplying a brake device (20) with a hydraulic fluid pressurized by a hydraulic pump (51). ...
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WO/2020/021761A1 |
This swash-plate type piston pump/motor is provided with a rotary shaft; a cylinder block rotating together with the rotary shaft; a plurality of pistons (5) respectively inserted into a plurality of cylinders so as to be capable of reci...
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WO/2020/021019A1 |
The present invention relates to a hydraulic machine comprising a cylinder block (30) comprising cylinders (32) housing pistons (50), a directional-control valve (60) comprising ports (61, 64) which communicate with the cylinders (32) an...
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WO/2020/017158A1 |
A hydraulic motor (100) for a backwash type filtration device W includes a casing (110), a rotor (130) housed in the casing (110), and a rod-shaped second rotating part (140). The inner peripheral side surface of the casing (100) is form...
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WO/2020/014672A1 |
A hose reel for coiling a hose includes a frame and a reel assembly rotatably connected to the frame about an axis of rotation. The reel assembly includes a drum assembly having a drum surface configured to receive and support the hose a...
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WO/2020/007559A1 |
A piston hydraulic device comprises a cylinder block (12) having a plurality of cylinder assemblies (24) having a cylinder (26) and a piston (28), and being rotatable about a first rotation axis (A). A port plate (14) has a first port (3...
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WO/2020/002732A1 |
Disclosed are a hydraulic mechanism and energy production method, relating to a mechanism intend for industrial uses, including the production of electrical energy, which is basically formed from a set of movable elements, wherein a syst...
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WO/2020/005075A1 |
A device for hydraulically operating a drive wheel of a wellbore tractor has in certain embodiments at least one cam, and a rotatable assembly arranged to be rotatable with respect to the cam about an axis of rotation. The rotatable asse...
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WO/2019/241861A1 |
The invention relates to a mechanical engine (1) to (41), with the auxiliary assemblies thereof, for the purpose of generating mechanical and electrical energy, or both, it being possible for power stations with this system to be built b...
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WO/2019/234342A1 |
The invention relates to an assembly comprising: a cylinder block (10), a plurality of pistons (20), and a holding element (30) extending over all or part of the outer periphery of the cylinder block (10); the holding element (30) compri...
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WO/2019/236295A1 |
A carrier for a motor subassembly of a hydraulic motor is provided that enables multiple components of the motor subassembly to be temporarily bundled into a compact and easy-to-transport motor subassembly kit. The carrier is a non-hydra...
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WO/2019/223344A1 |
A hydraulic motor, comprising a rotor (10) and a stator (20) which match each other. The rotor (10) and the stator (20) abut against each other and form a hydraulic cylinder (30); when the inner wall of the hydraulic cylinder (30) receiv...
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WO/2019/211100A1 |
The invention relates to a port plate (1) for a fluid throughput regulating device, comprising at least one fluid blocking section, and at least one flu- id conduit means (7, 9, 10, 13, 14, 15, 17, 18, 19) that fluidly connects two surfa...
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WO/2019/206757A1 |
A piston hydraulic device is disclosed. The device comprises a cylinder block having a plurality of cylinder assemblies. The cylinder block being rotatable about a first rotation axis wherein each cylinder assembly comprises a cylinder a...
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WO/2019/207252A1 |
The invention relates to an arrangement comprising: a hydraulic machine (1) with at least two operating cylinders, said machine comprising a rotor part (10) configured to be connected to the steered wheel, and a stator part (4A, 4B, 4C, ...
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WO/2019/201574A1 |
The invention relates to a swash plate-type axial piston pump, in particular for hydraulic systems, comprising a cylinder drum (3) which is rotated about a rotational axis (7) in a pump housing (1) and in which pistons (9) are arranged i...
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WO/2019/180071A1 |
A bent-axis axial-piston hydraulic machine (1) comprises: a cylinder block (3) being movable circumferentially about a first rotation axis (Y2); a transmission shaft (2) which is functionally associated with said cylinder block and which...
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WO/2019/169443A1 |
A rotary fluid device including an outer housing assembly and an inner rotating arrangement adapted to rotate relative to the outer housing assembly, the outer housing assembly including a rotor housing and the inner rotating arrangement...
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