Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 6,792

Document Document Title
WO/2018/108038A1
A cycloid hydraulic motor, comprising: a shell (10) having a mounting flange surface, an output shaft (11) provided in the shell for torque output, a rotor-stator pair (13) fixedly connected to the shell by means of a connecting bolt (12...  
WO/2018/108039A1
A cycloid hydraulic motor, comprising a shell (10) having a mounting flange surface, an output shaft (11) mounted in the shell for torque output, a rotor-stator pair (13) fixedly connected to the shell by means of connecting bolt (12), a...  
WO/2018/103681A1
Disclosed is a cycloid hydraulic motor, comprising a shell (10), an output shaft (11) for torque output arranged inside the shell (10), and a rear cover (15) fixedly connected to the shell (10) by means of bolts connecting a stator-rotor...  
WO/2018/090159A1
Disclosed is an internally curved low-speed high-torque hydraulic motor with torque being output by means of the rotation of a housing. The hydraulic motor is composed of a left bearing block (1), a right end cover (7), a spacer ring (3)...  
WO/2018/093296A1
The group of inventions relates to mechanical engineering, and more particularly to rotary-vane engines. An engine comprises a housing (1), the internal cavity of which has mounted therein a rotor (4) which rotates on a central shaft (2)...  
WO/2018/088487A1
This cylinder block has formed therein a plurality of cylinder bores which open in a piston insertion side end surface, and is configured such that when caused to rotate, pistons inserted into each cylinder bore slide in a reciprocating ...  
WO/2018/084718A1
A method for controlling torque equilibrium of a hydraulic motor (1), comprising; - setting a torque equilibrium reference position (r) in a control system (100), - setting a reference direction (d) in the control system (100), - determi...  
WO/2018/074868A1
The present invention relates to a hydraulic motor that operates by means of a fluid such as a gas, air, or oil for example. The hydraulic motor according to the present invention includes: a first housing part and a second housing part,...  
WO/2018/062198A1
The present invention is configured so that, even if there is no space for installing a piston in contact with the center of the front end surface of a drive shaft, thrust force occurring in a drive gear can be cancelled. The primary pum...  
WO/2018/033070A1
A fluid power conversion apparatus comprising a stator (110), a rotor (120), a separation plate (130) and sliding blocks (140), wherein the rotor (120) and the stator (110) are rotatably connected. A circular annular cavity (160) is form...  
WO/2017/198718A1
A hydraulic device (1) comprises a housing (27), a shaft (2) which is mounted in the housing (27) and rotatable about a first axis of rotation (4), wherein the shaft (2) has a flange (8) extending transversely to the first axis (4), a pl...  
WO/2017/195589A1
This tilt angle control device for a hydraulic rotary machine is provided with: a servo piston that moves in the flow rate increasing direction and the flow rate decreasing direction; a first housing that forms a first pressure receiving...  
WO/2017/187387A1
The invention relates to a hydrodynamic thrust and gravity motor in the form of a machine designed to operate in continuous mode since it requires no external energy source for operation (fossil fuels, renewable energy, energy sources or...  
WO/2017/186905A1
The present invention relates to a hydraulic machine with radial pistons comprising a casing (110) defining a first assembly and a shaft (130) defining a second assembly, which are rotatably free relative to one another, a multi-lobed ca...  
WO/2017/181907A1
A medium-speed high-torque radial piston hydraulic motor, comprising a housing (1), a crankshaft (2), a roller column (3), a bearing sleeve (4), a cylinder cover (5), a telescopic sleeve (6) radially distributed along the bearing sleeve ...  
WO/2017/169552A9
Provided is a hydraulic rotary machine configured so as to reduce the sliding resistance of a reciprocating piston and so as to suppress a reduction in volumetric efficiency corresponding to the amount of leakage of hydraulic oil. A pist...  
WO/2017/169552A1
Provided is a hydraulic rotary machine configured so as to reduce the sliding resistance of a reciprocating piston and so as to suppress a reduction in volumetric efficiency corresponding to the amount of leakage of hydraulic oil. A pist...  
WO/2017/149162A1
The invention proposes a hydraulic motor (100) comprising a cylinder block (106) and a drive shaft (120), the cylinder block (106) being configured to drive the rotation of the drive shaft (120), the said drive shaft (120) comprising: ...  
WO/2017/147673A3
The present invention relates to a system for unifying the mechanical energy produced by 2 (two) or more sources. This system can be used in machinery, plants and/or structures such as hydroelectric power stations, vertical axis wind tur...  
WO/2017/142604A2
An example system includes a turbine, a position sensor, and a control apparatus. The control apparatus is configured to perform functions. The functions include detecting, via the position sensor, an angular position of the turbine, and...  
WO/2017/108995A1
The invention relates to a hydraulic machine (100) having radial pistons (122) and comprising: – a casing (110), – a shaft (130), – a multi-lobe cam (114), – a distributor (140) and a distributor lid (112), – a cylinder block (...  
WO/2017/109329A1
The invention relates to a cooling and lubrication system (1) for a piston sealing device (2) for a piston (3) comprising a fixed skirt (7) and a sliding skirt (12) which are connected to one another by a mechanical inter-skirt connectio...  
WO/2017/098250A1
A radial pump or motor (100) comprising a plurality of reciprocal elements (102), for example pistons, balls or rollers, arranged in at least two layers (102 a -m) is disclosed. The reciprocal elements (102) of each of the at least two l...  
WO/2017/099664A1
A bearing arrangement for a unit that is mutually turnable around a centre of rotation (R) comprising an external part (1) and an internal part (7), which, with the aid of high hydraulically acting pressure, is arranged to achieve a reci...  
WO/2017/100555A1
Plain bearing shells including anti-rotations features are described. In some embodiments, a plain bearing shell having a semi-cylindrical shape includes a recess in each axial end of the shell. Protrusions included in the piston recess ...  
WO/2017/056272A1
An inclined shaft type hydraulic pump motor equipped with a constant-velocity joint (100) which has a retainer plate (70) for tiltably supporting a center shaft (80) of a cylinder block (30) on an end surface of a drive shaft (20), and w...  
WO/2017/051391A1
A motor (10) to be driven by a pressurized fluid includes a manifold (J 6) with an arcuate surface (20) defining a valve opening (22) surrounded by a sealing surface. A cylinder (26) has an aperture (30) cooperating with the arcuate surf...  
WO/2017/047668A1
This piston pump/motor 100 comprises: a cylinder block 2 which rotates with a shaft 1; pistons 6 which are slidably inserted into cylinders 2b formed in the cylinder block 2; shoes 20 which are rotatably connected to the tip part of the ...  
WO/2017/047667A1
The present invention is provided with: a plurality of cylinders 2b formed in a cylinder block 2; pistons 6 which are slidably inserted into the cylinders 2b; a case 3 in which the cylinder block 2 is accommodated; and a valve plate 20 w...  
WO/2017/040792A1
A fluid-driven actuator system includes a fluid-driven actuator and at least one proportional control valve and at least one pump connected to the fluid-driven actuator to provide fluid to operate the fluid-driven actuator. The at least ...  
WO/2017/026639A1
The present invention relates to a variable displacement gear pump. The variable displacement gear pump, according to the present invention, moves one of the two gears which are engaged with each other inside a casing of a gear pump in t...  
WO/2017/015147A1
The apparatuses, methods and systems for harnessing fluid flow with flexible mechanical transducers include mechanisms that include flexible elements with strained deformations. In some implementations, oscillations of strained deformati...  
WO/2017/009659A1
A radial piston pump (101) comprising a rotor (103) is disclosed. The rotor (103) includes a drive shaft (105) arranged to transmit rotary motion to or from the pump (101) and a piston housing (102) including at least one piston chamber ...  
WO/2017/001802A1
The hydraulic machine comprises a cam (4) and a cylinder block with pistons (14) collaborating with the lobes of the cam, which lobes each have two ramps (50A, 50B) extending between top dead centre and bottom dead centre (PH, PB) arcs. ...  
WO/2016/200912A1
An engine and corresponding driving propulsion system may provide continuous force necessary to keep the engine operating. Utilizing two pressurized tanks with high and low pressures may provide a continuous flow of pressure to the engin...  
WO/2016/190104A1
This variable displacement swash plate-type hydraulic rotating machine has a swash plate of which the inclination can be altered. The swash plate is provided with a slide-contact surface against which a shoe slides, and a sliding part ha...  
WO/2016/188608A1
The piston (20) of a hydraulic cylinder (9) for producing a vibration has a stepped piston structure (13) on both pressure-applying piston surfaces (12) running perpendicular to the cylinder axis (11), thus forming an annular first seali...  
WO/2016/186572A1
A machine that harness ambient heat or waste heat and generate renewable green energy with cold energy as byproduct using a closed loop carbon dioxide working fluid. The machine is known as an ambient heat engine that comprises an expand...  
WO/2016/187439A1
A radial piston device includes a housing, a pintle attached to the housing and having a pintle shaft, a rotor rotatably mounted on the pintle shaft and having cylinders, pistons displaceably received in the cylinders, and a drive shaft ...  
WO/2016/181638A1
A piston according to the present invention is in the shape of a circular cylinder at the ends of which are formed a concave spherical portion in the shape of a partial sphere, and a cylindrical hollow portion, and in which an oil passag...  
WO/2016/153042A1
A brake device 20 for braking a hydraulic motor 1, said brake device 20 equipped with a disc plate 21 that rotates together with a cylinder block 3, a brake piston 27 supported on a first case 12, and a brake spring 35, 45 interposed and...  
WO/2016/153134A1
The present invention relates to an electric power generation device having multiple hydraulic machines. The device comprises: a rotary fan; at least one hydraulic pump which is driven by the rotation of the rotating blade to enable a wo...  
WO/2016/146456A1
The invention relates to an axial piston machine (110) containing a shaft (118), a housing (112, 116), and (c) a cylinder arrangement which is arranged in the housing in a circular manner and which comprises cylinders and pistons (144) g...  
WO/2016/142613A1
The piston coupling system for a hydraulic motor-pump (300) is provided for a hydraulic motor-pump which comprises a central motor-pump rotor (3) which accommodates a hydraulic cylinder (14), inside which a hydraulic piston (13), which c...  
WO/2016/142229A1
The invention relates to an axial piston machine (1), – having a rotor (3) which is rotatably mounted in a housing (2) and which has a shaft (4), – having cylinders (5) which are arranged in ring-shaped fashion around the rotor (3) a...  
WO/2016/135914A1
This rotational drive device (10A) is provided with: a rotational body (16); a housing (12) having an installation hole (14) formed therein; a fluid supply part (18); a movement restriction part (24); and an output shaft (22). A gap (S) ...  
WO/2016/133415A1
The engine is characterized by the fact that in the cylindrical rotor (1) that is rotationally mounted in the body (7) there are recesses (2), preferably in the form of a segment of a cylinder, which are arranged on the circumference. In...  
WO/2016/132051A1
The invention relates to a phase shifter (300) of a valve for a hydraulic engine/pump, wherein said phase shifter is provided for a hydraulic engine/pump (1) that includes an engine/pump frame (2) and an engine/pump central rotor (3) to ...  
WO/2016/105890A1
A pump barrel (70) for use in a hydrostatic pump assembly includes a barrel body (88) defining a plurality of piston bores (84) that receive a plurality of pistons moveable within the bores, and a porting face (74) that defines a plurali...  
WO/2016/097230A1
The invention relates to a piston (1) with a roller (120) suitable for receiving a roller (120) and for sliding in a cylinder (2) along a sliding axis (C-C'), said piston (1) comprising a body (110) having a guide surface (111); an upper...  

Matches 1 - 50 out of 6,792