Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 5,459

Document Document Title
WO/2024/023604A1
Volumetric variable displacement machine interacting with an operating fluid, said machine being a motor with axial pistons or a pump with axial pistons and comprising: i) means (2) interacting with the operating fluid; ii) a housing cas...  
WO/2024/009037A1
Disclosed is a hydraulic machine (2) comprising: - a bearing support member (8), - a cylinder block (16), - a brake piston (20) that is movably mounted with respect to the bearing support member between a braking position in which the pi...  
WO/2024/003500A1
Disclosed is a hydraulic machine (1) comprising: - a cam (14) having a cylindrical outer face (30) and a main axis (X-X), and - at least one gauge (40) rigidly fixed to the face and arranged to detect stress on the face and/or a variatio...  
WO/2024/003511A1
Disclosed is a rotating machine (6) comprising: - a casing (8); and - at least one gauge (16) that is attached directly to the casing and arranged to detect a load applied to the casing at a distance from the gauge and/or a variation in ...  
WO/2023/247271A1
The invention relates to a swash drive (10) for a high-pressure cleaning unit, with a motor shaft (20) which is mounted rotatably about a rotational axis (18), and with a swash unit (22), comprising a swash element (32; 108; 118) and a s...  
WO/2023/247524A1
A hydraulic device (1) comprises a housing (2) and a shaft (3) which is mounted in the housing (2) and rotatable about a first axis of rotation (5). The shaft (3) has a flange (8) extending perpendicularly to the first axis of rotation (...  
WO/2023/242503A1
The invention relates to an assembly comprising a hydraulic pump (100) and an epicyclic reduction gearset (200), wherein the hydraulic pump (100) is a radial piston hydraulic pump, the reduction gearset (200) comprising an outer sun gear...  
WO/2023/242502A1
The invention relates to a hydraulic machine (1) comprising a first assembly and a second assembly which are rotatably movable relative to one another about a main axis (Z-Z), the first assembly comprising a shaft (20), a cylinder block ...  
WO/2023/214157A1
A hydraulic device (102) in the form of a pump, motor or pump/motor. The device comprises a piston arrangement (122) comprising a plurality of pistons (124) arranged to reciprocate within a respective cylinder (126). The reciprocation is...  
WO/2023/213933A1
The invention relates to a hydraulic machine (100) comprising: - a distribution cover (2.3); - a distributor (16); - a displacement selection drawer (35) mounted so as to slide between a first position in which the machine is configured ...  
WO/2023/197607A1
A deepwater pressure conversion device, comprising a sealed pressure-bearing housing, the pressure-bearing housing being provided with a water inlet and a water outlet. Two sealed spaces are provided in a pressure-bearing chamber formed ...  
WO/2023/189663A1
A second case (20) is produced using: a first core (51) that is for forming valve ports (P1, P2) of a counterbalance valve (C) and a first accommodation hole (21) that is to accommodate a spool of the counterbalance valve (C); and a seco...  
WO/2023/185774A1
The present invention relates to an energy generation method. According to the energy acquisition mode, universal gravitation formed on the earth is used as a source for obtaining energy; the universal gravitation force acting on liquid ...  
WO/2023/175239A1
A pressure medium powered device generating a reciprocating motion, which includes a body (5), a primary piston (2), a control valve assembly, and at least one secondary piston (3, 4). The primary piston (2) is fitted inside the body (5)...  
WO/2023/171706A1
The inner peripheral surface of an accommodation hole (71) in which a spool (75) is accommodated is formed with: a first annular groove (81) connected to a first actuator port (51); a second annular groove (82) connected to a second actu...  
WO/2023/156266A1
Hydraulic rotating machine with pistons, comprising: a casing (102); an inclined plate (130) mounted in the casing; a drive shaft (100) and a barrel (104) which are mounted in the casing; a plurality of pistons (106) which are situated i...  
WO/2022/028735A9
The present disclosure is directed to simplifying the design of a bent- axis hydraulic pump/motor. The design has a multi-functional hub (32) that includes torque transfer components (64) and piston rod head retention components (70) tha...  
WO/2023/111622A1
Hydrostatic radial piston unit of the cam-lobe type of construction comprising a non-rotary, stationary shaft defining a rotational axis of the hydrostatic radial piston unit. A non-rotary, stationary casing houses the shaft in a torque ...  
WO/2023/111621A1
Hydrostatic radial piston unit of the cam-lobe type of construction comprising a non-rotary, stationary casing. The stationary casing comprises a through hole defining a rotational axis of the hydrostatic radial piston unit. A rotary cas...  
WO/2023/051391A1
A hydraulic-driven auxiliary power generation system for a vehicle, said system comprising: a water-to-air intercooling diesel engine (1), an auxiliary hydraulic pump (2), a cooling hydraulic pump (3), a throttle valve block group (4), a...  
WO/2023/010392A1
Disclosed is an internally curved hydraulic motor capable of two-way oil distribution, comprising two rotors fixed to each other, casings sleeved on the rotors, and an oil distribution cover connected between the two casings. The casings...  
WO/2023/006769A1
A hydraulic transmission (1) connected to a prime mover (2), and comprising an input shaft (A), a first hydraulic machine (4), a second hydraulic machine (6), each of the hydraulic machines comprising a plurality of working chambers havi...  
WO/2023/007161A1
A hydraulic apparatus provided with an eccentric (32) rotatable about an axis, a plurality of piston feet (154) arranged around a running surface of the eccentric, wherein each piston foot is configured to reciprocate by rotation of the ...  
WO/2023/284928A1
A hydraulic arrangement (20) for providing a pivotal movement of an outer structure. The hydraulic arrangement (20) comprises - anchor units (30) for anchoring the hydraulic arrangement to a structure, the anchor units (30) define a firs...  
WO/2022/251989A1
A multi-acting vane-type hydraulic motor for use in heavy machinery. The hydraulic motor comprises a stator and an outer side plate, wherein the cross section of an inner surface of the stator is formed by N large circular arc segments a...  
WO/2022/251988A1
An impeller-type hydraulic motor for heavy machinery. The impeller-type hydraulic motor comprises an oil storage cavity, an outer side plate and an inner side plate, wherein the outer side plate is provided with an oil channel I and an o...  
WO/2022/248638A1
The invention relates to an internal-axis rotary piston device (44), wherein the internal-axis rotary piston device (44) has a cover plate (1) and the cover plate (1) has on one side an embedded multi-chamber receptacle (21) and on the o...  
WO/2022/229374A1
A hydraulic device (1) comprises a rotor (3, 9, 10, 11, 16-18, 23) and a port member (5) including a high-pressure port (6) and a low-pressure port (7). An outer surface (21) of the rotor faces an outer surface (22) of the port member (5...  
WO/2022/214772A1
Disclosed is a hydraulic machine (100) comprising an improved flushing circuit for causing a primary flushing flow (F1) to circulate from an inlet (210) successively into a proximal portion (110), a mid portion (120) and a distal portion...  
WO/2022/193568A1
A hydraulic motor, comprising a housing (5) and an output shaft (1). The output shaft (1) is sequentially sleeved with a front valve plate (6), a front compensation plate (7), a planetary gear mechanism, a rear compensation plate (12), a...  
WO/2022/170579A1
Provided is a cycloid hydraulic motor. The cycloid hydraulic motor comprises a housing, wherein an outer wall of the housing is provided with a first oil port; a rotor-stator pair comprising a rotor, wherein the rotor is provided with a ...  
WO/2022/156967A1
Variable displacement hydraulic unit (1) with a housing (3) in which at least one rotating group (5) is housed, wherein the displacement volume of the rotating group (5) is variably adjustable by means of a swivel element (7) able to til...  
WO/2022/137633A1
A hydraulic device (10) includes a gear pump (14) or a gear motor, a first temperature sensor (18) provided to the gear pump (14) or gear motor, and a control device (22) that controls the drive of the gear pump (14) or gear motor accord...  
WO/2022/137639A1
According to the present invention, a gear pump 10 or a gear motor comprises: a casing 12; a gear housing chamber 14 that is formed inside the casing 12; gears 16 that is housed in the gear housing chamber 14, and that include a drive ge...  
WO/2022/130026A1
Hydrostatic radial piston unit of the cam-lobe type of construction comprising a shaft defining a rotational axis of the hydrostatic radial piston unit. The shaft extends with a front end region from a non-rotary, stationary rear casing ...  
WO/2022/126757A1
Hydrostatic radial piston unit comprising a front case part accommodating a drive shaft via shaft bearing means so that the drive shaft can rotate around a central axis relative to the front case part. A rear case part is attached on one...  
WO/2022/094673A1
A hydrostatic pressure to kinetic energy conversion system comprises a hydraulic head water column having a lower end which diverges to a pair of pressure channels. A valve system interfaces the water column and the pressure channels so ...  
WO/2022/058350A1
The invention relates to a rotary piston machine (1), in particular a gerotor motor, comprising: a first rotor (36) which can rotate in a first stator (38), between which first rotor and first stator a first working chamber (40) is forme...  
WO/2022/056738A1
A bent axis plunger-type variable hydraulic motor pump, comprising a cylinder body (8), a plunger (7), a ball connecting rod (5), a plunger spherical hinge (10), a multistage ball track spherical hinge shaft (1), a multistage ball track ...  
WO/2022/054808A1
A valve plate (50) of a hydraulic motor has a first pressure port (51) and a second pressure port (52) which alternately communicate with a cylinder bore (42) of a cylinder block (40) as the valve plate (50) relatively rotates in both di...  
WO/2022/043770A1
The present disclosure relates to an apparatus (100) to provide automated motion, the apparatus includes a first lever having a first force arm (110) and a first load arm (120), a second lever having a second force arm (112) and a second...  
WO/2022/033899A1
Hydrostatic servo assembly unit (1) for being arranged inside, outside or distant from a variable displacement hydrostatic unit (100) and for controlling the displacement of the variable displacement hydrostatic unit (100). The servo ass...  
WO/2022/027754A1
A dual-oil access port hydraulic power device, comprising a plunger hydraulic motor. Several plunger holes (11) are evenly distributed on a cylinder (6) of the plunger hydraulic motor around the center thereof, each plunger hole (11) run...  
WO/2022/014256A1
In this motor (100) with transmission, splines (32) are formed at the end of the drive shaft (31) of the transmission (30), and spline grooves (22) engaged by the splines (32) are formed in the end surface (21a) of the motor shaft (21) o...  
WO/2022/004204A1
This axial piston device comprises a cylinder block 11 that rotates integrally with a rotating shaft, a plurality of pistons accommodated in each of a plurality of cylinder chambers 12 in an area in which the rotating shaft is surrounded...  
WO/2021/259723A1
The invention relates to an axial piston machine in which pistons carry out a stroke movement in cylinders and in which the pistons have a seal ring receptacle for a seal ring. In order to improve robustness, wear resistance, friction an...  
WO/2021/250348A1
The rotating hydraulic machine (102) comprises: - a housing (10), - a shaft (20) movably mounted relative to the housing about an axis, - an apron (24) rigidly connected to the shaft and extending around at least a portion of the housing...  
WO/2021/250020A1
Disclosed is a method for determining at least one control limit of an electrically controllable first pressure-reducing valve depending on a first control current, to which end a driven hydraulic machine is provided, the displacement vo...  
WO/2021/218526A1
Disclosed is a pneumatic engine, composed of a stator cylinder (4), a rotor piston plate (5), a valve assembly (1), and a mechanical transmission or hydraulic transmission. In the valve assembly (1), all valve plugs (17, 19, 22, 25) are ...  
WO/2021/212200A1
The application relates to a hydraulic motor (1) controlled by automation of a directional four-way valve (3), in which two intake lines (4, 5) and two discharge lines (6, 7) control the intake and discharge of water for the left-hand si...  

Matches 1 - 50 out of 5,459