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WO/2023/224852A1 |
Fluid pressure control systems and methods including a vessel having one or more internal passages configured to sustain a fluid under pressure, a fluid pressurization unit configured to link to the vessel to increase the pressure of a f...
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WO/2023/219778A1 |
A combination of seals and wear guides (18) for use in a hydraulic cylinder (10) provides a sealed engagement between a piston rod (12) of the hydraulic cylinder (10) and an inner circumferential surface of a rod end of a cylinder barrel...
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WO/2023/219802A1 |
A seal assembly (18) for a hydraulic cylinder piston rod (12) of a hydraulic cylinder (10) includes an annular buffer seal (22) and an annular backup ring (24). A first axial pressure side of the annular buffer seal (22) faces a rod end ...
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WO/2023/214202A1 |
In manufacturing the jacks that its moving course is long, the pipes shafts are used with large diameter for prevention from shaft bending, and for prevent from not exiting lubricant from the shaft during operation, the head part of the ...
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WO/2023/213818A1 |
The invention relates to a blocking device (20) for a lifting cylinder (6) and to a handling machine (1) with lifting arm (5). The blocking device (20) comprises two blocking elements (30, 40). The two blocking elements (30, 40) are conf...
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WO/2023/208548A1 |
An actuator mounting arrangement including: a mining machine (100) having a frame (104), at least one mounting unit (10). The mounting unit (10) comprising: a first mounting part (11) having a recess (13) for partially receiving a protub...
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WO/2023/203662A1 |
Provided is a soft actuator fixing method for fixing a soft actuator 1 to a base 2. The soft actuator 1 comprises: a cylinder 11 having extension and contraction properties in the axial direction and the circumferential direction; and a ...
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WO/2022/216161A9 |
Disclosed is a system, method and apparatus operating on a high-pressure working fluid with high efficiency. The device has a reservoir of high-pressure working fluid. A fluid connection supplies the high-pressure working fluid at a cont...
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WO/2023/198234A1 |
The invention relates to a working cylinder, comprising a cylinder (1) and a piston unit (2), wherein the cylinder (1) has a cylinder tube (3), a first closure part (4a) and a second closure part (4b), wherein the cylinder tube (3) has a...
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WO/2023/200678A1 |
A hydraulic actuator assembly operatively configured to hydraulically connect to a tank of an aircraft comprising a hydraulic cylinder orientated about a center axis and having first and second hydraulic ports, a piston disposed in the c...
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WO/2023/193970A1 |
In a piston/cylinder assembly with a hydraulic cylinder and a longitudinally displaceable piston which is mounted sealingly within the hydraulic cylinder and supports a piston rod at least on one side, wherein the hydraulic cylinder has ...
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WO/2023/196099A1 |
An actuator (200) for a machine (100) includes a cylinder barrel (202) and a piston arrangement (208) received within the cylinder barrel (202). The actuator (200) further includes a first cylinder (226) received within the cylinder barr...
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WO/2023/193822A1 |
A multi-stage buffer hydraulic cylinder for a wave energy power generation device, and a control method. A built-in fixing rod (11) is arranged inside a hydraulic cylinder barrel (1) and is nested in a piston rod (9), and an inner cavity...
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WO/2023/187997A1 |
A purpose of one or more embodiments of the present disclosure is to simplify the design of a routing path of an elastic tube. The elastic tube comprises a tube and a coil. The tube has elasticity and flexibility in the axial direction...
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WO/2023/184854A1 |
The present application relates to the technical field of hydraulic elements, and provides a hydraulic cylinder and a working machine. The hydraulic cylinder comprises a cylinder body, a piston, a piston rod and a primary buffer structur...
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WO/2023/180186A1 |
Torque sensors (150) are used in rotary valves (100) to identify wear and malfunctions. To this end, they measure the torque exerted by a drive (140) with the aid of a coupling onto a rotatably mounted valve member of the rotary valve (1...
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WO/2023/181924A1 |
[Problem] To provide a locking implement with which a reduction in the size and the number of components can be achieved compared with the past. [Solution] A locking implement 100 comprises: a cylindrical member 10; an igniter 20 having ...
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WO/2023/183467A1 |
The invention relates to a position sensor system, comprising: a sensor housing defining a first cavity having a first face; a fluid effector comprising: an actuator housing having an inner surface defining a second cavity; and a moveabl...
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WO/2023/175083A1 |
The invention relates to a piston-cylinder unit (1). The piston-cylinder unit (1) has a piston movement sensor (28) which is arranged in a transverse bore (27) of a cylinder head (4), said transverse bore (27) having a longitudinal axis ...
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WO/2023/173810A1 |
Disclosed are a rotary driving mechanism, a boom, and engineering machinery. The rotary driving mechanism comprises an annular piston (10) and a stator (20, 30); the annular piston (10) is provided with a piston tooth portion (11, 13) ha...
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WO/2023/175085A1 |
The invention relates to a piston-cylinder unit (1). A piston movement sensor (28) is arranged in a transverse bore (27) of a cylinder head (4) of the piston cylinder unit (1). According to the invention, the transverse bore (27) is sepa...
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WO/2023/175252A1 |
The invention relates to a power cylinder (V) comprising a body (100), a rod (200) and at least one piston (300) fixed to the rod, the piston (300) and the associated rod (200) moving in the chamber at least in one direction under the ac...
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WO/2023/176410A1 |
A hydraulic cylinder (100) includes a rod member (60) and a rod head (75). The rod member (60) includes a first in-rod channel (63) that guides a hydraulic fluid to one of a rod-side chamber (1) and an opposite rod-side chamber (5), and ...
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WO/2023/175082A1 |
The invention relates to a piston-cylinder unit (1). A piston movement sensor (28) is arranged in a transverse bore (27) of a cylinder head (4) of the piston cylinder unit (1). According to the invention, a positioning and/or aligning el...
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WO/2023/171112A1 |
In the present invention, in a state in which fluid pressure is not being applied, at least a section of a sleeve and a section of a cover do not make contact.
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WO/2023/171111A1 |
This robot hand comprises a fluid pressure actuator that can deform in a direction perpendicular to the axial direction, and an attachment base that is for attaching the fluid pressure actuator, wherein in a state in which fluid pressure...
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WO/2023/171113A1 |
A robot hand according to the present invention comprises: a fluid pressure actuator which is variable in a direction orthogonal to the axial direction; and a mounting base to which the fluid pressure actuator is mounted. In a state wher...
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WO/2023/171110A1 |
A bamboo shoot-shaped part that can lock and maintain a cover member, which is separate from the hydraulic actuator, is formed on the free-end side of a sealing member.
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WO/2023/170805A1 |
[Problem] The purpose of the present invention is to provide: a safety function whereby there is no risk of crushing due to a lifted object being dropped, even when the hydraulic pressure from a hydraulic pump is released as a result of ...
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WO/2023/159905A1 |
A rod head connecting assembly, a hydraulic cylinder, and an operation machine. The rod head connecting assembly comprises: a rod head body (100), a rod head flange (200), and an oil pipe (301). The rod head body (100) is provided with a...
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WO/2023/158928A1 |
An actuator includes a primary piston and a secondary piston axially movable together in a cylinder assembly; a plurality of chambers comprising: a first chamber, a second chamber, a third chamber, and a fourth chamber, wherein when flui...
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WO/2023/156942A1 |
A rear ejector body comprising a receptacle and an ejector blade mounted to the receptacle via an ejector blade mounting assembly comprising a first side mount and second side mount each connected to the side portions of the ejector blad...
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WO/2023/158568A1 |
A seating system includes a seat, with structures for supporting a user thereon, and actuators. Each actuator includes a deformable shell with an enclosed internal cavity containing a fluid dielectric contained, a pair of electrodes disp...
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WO/2023/148212A1 |
The invention relates to a safety device (10) for a linearly actuated process valve (30) and to a system comprising the safety device (10). The safety device (10) comprises: a housing (1); a piston rod (3) which is mounted in the housing...
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WO/2023/148217A1 |
The invention relates to a linear actuator (20) for linear actuation of a process valve (30), said linear actuator having a housing (200), wherein an electronic control unit (40), at least one electric drive unit (41), and at least one h...
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WO/2023/147797A1 |
The invention relates to a working cylinder with pressure medium overflow, in which a piston comprises a first inner annular groove having a seal and a second inner annular groove having a piston ring which resiliently abuts a cylinder p...
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WO/2023/131520A1 |
A dual-direction piston-based actuator housing assembly (10) has a housing (16) disposed over a hollow cylindrical liner (11) configured to accept within a movable piston (15). A compression block (17) having a pin engagement hole (18) i...
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WO/2023/130860A1 |
An ankle exoskeleton device (100) for helping a patient to relearn walking is disclosed. The ankle exoskeleton device (100) includes a leg brace (101), and insole (102), and a rotary actuator (400). The rotary actuator (400) is pneumatic...
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WO/2023/123606A1 |
Provided in the present invention is an embedded cylinder structure, comprising a cylinder body and a workbench used for installing the cylinder body. A spacer sleeve is attached to the inner wall of a cavity. The positions of first oil ...
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WO/2023/128899A1 |
The invention relates to the seal ring (31), which is located in the double-acting telescopic cylinder consisting of a plurality of nested rods (10) and sealing elements between the piston (20) moving in the rod (10) and the rod (10), th...
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WO/2023/119809A1 |
Hydraulic actuators 10 of a gripping device 1 are each a soft actuator that is flexible. One hydraulic actuator 10 is provided offset from at least one other hydraulic actuator 10 so as to cross the same on the proximal end side of said ...
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WO/2023/119808A1 |
A hydraulic actuator used in a gripping device 1 includes: a cylindrical tube that expands and contracts due to the pressure of a fluid; and a sleeve that is a stretchable structure of interwoven fiber cords aligned in a prescribed direc...
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WO/2023/116044A1 |
The present application relates to the technical field of engineering machinery, and provided are a hydraulic cylinder, a hydraulic system, and operation machinery. The hydraulic cylinder comprises a cylinder barrel; a piston; and an end...
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WO/2023/117859A1 |
The invention relates to a position and/or travel measuring system (1) for a control valve (100) for a process fluid flow of a process plant, such as a power plant, a chemical plant, a food-processing plant or the like, which comprises: ...
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WO/2023/110848A1 |
A piston (20) for a gear-change selector module of a gearshift has a piston body (26), at least one sealing element (46, 50), and a cap (36) which is attached to the piston body (26) by means of a clip connection (38). Furthermore, the s...
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WO/2023/112458A1 |
A gripping device 1 uses a plurality of fluid pressure actuators 10 that bend when contracted. In the bottom view of the gripping device 1, when the fluid pressure actuators 10 are each contracted, the distal end portion of each fluid pr...
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WO/2023/112446A1 |
A hydraulic actuator (1) provided with a tube (10) capable of expansion and contraction, a sleeve (20) covering the outer surface of the tube (10), a pair of sealing members (30) for sealing the two ends 11 of the tube (10), and multiple...
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WO/2023/112422A1 |
A hydraulic actuator according to the present disclosure expands and contracts due to the pressure of a fluid and comprises an attachment that is attached to the distal end side thereof. The attachment is a spatular part provided with a ...
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WO/2023/112457A1 |
Fluid pressure actuators 10 of a gripping device 1 are provided such that when each fluid pressure actuator 10 contracts, the tip of a fluid pressure actuator 10 approaches the tip of another fluid pressure actuator 10, and a soft member...
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WO/2023/112447A1 |
A hydraulic actuator (10) comprises: a tube (20) that expands and contracts due to the pressure of a fluid; a sleeve (30) that is a stretchable structure of interwoven fiber cords (31) aligned in a prescribed direction (θ1) and that cov...
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