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Matches 1 - 50 out of 6,894

Document Document Title
WO/2019/111196A2
The present invention provides a hydroelectric power generation system (1000) comprising a housing (100), a plurality of secondary storage chambers (200), plurality of pulley mechanisms (300) and a control unit. The housing (100) has a b...  
WO/2019/106686A2  
WO/2019/098864A1
Piston pump used to lift liquids by gravity includes a cylinder (1) connected to an outflow pipe through a check valve and a piston (4). The piston (4) comprises a piston disc (11) and a piston ring (13) with a circular flange (14) in th...  
WO/2019/090972A1
Disclosed are a magnetic sliding shoe pair for an axial plunger pump and a motor and a control method, the magnetic sliding shoe pair comprising: plungers (9), coil sleeve pieces (8), sliding shoes (7) and an inclined disc (4), wherein c...  
WO/2019/081558A1
A hydraulic device (1) comprises a housing (2) and a shaft (3) which is rotatable about a first axis of rotation (4). The shaft (3) has a flange (8),a partly spherical portion (16) and a plurality of pistons (9), which are fixed to the f...  
WO/2019/079176A1
A reciprocating piston type hydraulic machine comprises a rotatable piston (60) configured for a controlled rotation and reciprocation within a cylinder bore of the hydraulic machine along a cylinder bore axis; wherein the reciprocating ...  
WO/2019/073602A1
Provided is a gear pump or a motor provided with: a casing internally provided with a gear housing compartment in which a pair of gears are housed; a side plate interposed between the casing and the gears; and a gasket which is disposed ...  
WO/2019/069619A1
Provided is a rotary-type cylinder device in which a piston body of a piston unit is shortened in the lengthwise direction to reduce the installation area and the number of guide bearings is reduced to the required minimum so as to decre...  
WO/2019/058711A1
A hydraulic motor control device (100) comprises a volume switching valve (30) that controls the flow of working oil supplied to and discharged from a pair of switching actuators (20, 21) that change the volume of a piston motor (1) by d...  
WO/2019/048750A1
The hydraulic piston (1) forms a hydraulic chamber (5) with a cylinder (4) and has a cylindrical body (6) that receives sealing means (16) and the cylindrical external surface (13) of which is housed with a little play in the cylinder (4...  
WO/2019/042925A1
The invention relates to a hydroelectric power plant, having a rotary piston engine (1), comprising an engine housing (2) having an engine compartment (4), an inlet opening and an outlet opening (6, 8), a first rotary piston (10), which ...  
WO/2019/035355A1
A piston pump (100, 200) comprises: a plurality of pistons (6); a cylinder block (2) having provided therein a plurality of cylinders (2a) coupled to a shaft (1) and housing the pistons (6); a shoe (10) rotatably coupled to the tip of th...  
WO/2019/016231A1
The present invention provides a hydraulic percussion device comprising a piston (2) mounted for reciprocal motion within a cylinder (1) to impact a percussion bit (3) and a control valve (4) to control reciprocation of the piston (2). A...  
WO/2019/011151A1
An engine, comprising a frame (1). A left working cylinder (2) and a right working cylinder (3) are provided on the frame (1). The engine further comprises a double-acting vane pump (4). The piston rods of the left working cylinder (2) a...  
WO/2019/002774A1
The invention relates to an assembly comprising a hydraulic apparatus (3) comprising a rotor and a stator, the rotor being mounted so as to turn about a second rotation axis (Z-Z) with respect to the stator and being secured to means sui...  
WO/2019/002781A1
The invention relates to a hydraulic device (3) comprising: a stator and a rotor, in which the rotor can rotate relative to the stator about a first axis of rotation (Z-Z); and a shaft (4) mounted on the rotor such as to rotate therewith...  
WO/2018/235573A1
This variable displacement hydraulic pump or motor (10) having a swash plate (13) is provided with: a lever (22) supported by a housing (21) and pivoting with the tilting of the swash plate (13); and a sensor (23) for detecting the amoun...  
WO/2018/224769A1
The invention relates to a hydraulic piston (1) which constitutes a hydraulic chamber (5) with a cylinder (4) and has a cylindrical body (6) connected - on the side of said chamber (5) - by a valve stop-link (3) to a valve for holding a ...  
WO/2018/194127A1
A hydraulically driven motor (10A) according to an embodiment of the present disclosure is provided with: a plurality of first pump motors (20A) each of which is provided with a first cylinder (40A) connected with a hydraulic source via ...  
WO/2018/163504A1
According to the present invention, a nitrided layer (13) is formed on the base material surface side of a cylinder block (7) including an opening-side end surface (7B) and each of cylinder holes (12). In addition, a piston sliding surfa...  
WO/2018/114141A1
Displacement control device (1) for variably adjusting the displacement of an axial piston hydraulic pump comprising a rotary shaft (10) mounted in a housing (20) and rotatable around a shaft axis (13) of the rotary shaft (10). The rotar...  
WO/2018/113898A1
A drive system (1) for a delivery pump (2), having at least two drive shafts (21, 22) comprising a synchronizing unit (4), having at least two output shafts (41, 42), wherein the at least two output shafts (41, 42) are synchronized with ...  
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 ...  

Matches 1 - 50 out of 6,894