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WO/2019/153608A1 |
Disclosed are a pressure cylinder and a lifting platform having same. The pressure cylinder comprises a cylinder body (1.1), a piston (1.2) and a piston rod (1.3), wherein the cylinder body (1.1) is divided into a first chamber and a sec...
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WO/2019/148390A1 |
Provided is a single-cylinder latch-type telescopic cylinder, comprising a piston rod (1) and a cylinder barrel (2). The piston rod (1) or the cylinder barrel (2) is provided with a first cylinder head (3), a second cylinder head (6), a ...
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WO/2019/150617A1 |
This hydraulic device (A) is provided with an outer tube (1), a bottom part (2) which closes one end of the outer tube (1), an inner tube (3) which is inserted into the outer tube (1), a movable part (M) which can move in the axial direc...
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WO/2019/150618A1 |
This actuator (A) is provided with an aluminum alloy cylinder (1), a bottom part (2) which closes one end of the cylinder (1), a cylindrical inner rod (3) which is inserted into the cylinder (1) and which together with the cylinder (1) f...
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WO/2019/146513A1 |
A fluid leakage detector (100) comprising: an annular member (10) attached to a cylinder head (5) and having a piston rod (3) inserted therethrough; a passage (13) formed in the annular member (10) and having hydraulic oil guided thereto...
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WO/2019/148185A1 |
A piston cylinder has a piston housing including a bore. A piston assembly is movable in the piston cylinder bore. The piston assembly includes a piston disk and a piston rod. A lock piston is movable in the piston cylinder. A lock plate...
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WO/2019/146213A1 |
A hydrostatic pressure cylinder (10) is configured in such a way as to cause a holding member (44) which holds a magnet (46) and is mounted on a piston unit (18) to rotate together with a cylinder tube (12), and by fixing the cylinder tu...
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WO/2019/146040A1 |
The purpose of the present invention is to provide a fluid cylinder in which stroking while rotating with high precision is possible while particularly reducing power consumption and achieving a compact size. This fluid cylinder (1) has ...
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WO/2019/146459A1 |
A fluid leakage detector (100) comprising: a rod seal (10) that seals an annular gap (8) between a piston rod (3) and a cylinder head (5); a detection space (20) formed for detection of hydraulic oil leaks; a detection seal (11) that sea...
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WO/2019/145800A1 |
A pneumatic actuator (240), comprising: a pressure reducer (270) for delivering gas under a reduced pressure to a control valve; the control valve (280) selectively supplying gas to a pneumatic cylinder (290) or discharging gas from the ...
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WO/2019/145908A1 |
The Device (1) for hydraulic cylinders and the like comprising: - at least one connecting body (2): - associable with a cylinder (3) in which a piston (4) is sliding, at an end position of the cylinder (3); and - provided with a sliding ...
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WO/2019/147133A1 |
A piston and piston rod assembly for a linear actuator is manufactured by a friction welding method. The piston rod comprises a flash portion formed by a narrowed portion with a flash surface formed by an end face. The piston comprises a...
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WO/2019/144123A1 |
An in-port sequencing valve configured to be utilized with a clamping device of a workpiece clamping system having a fixture plate, a number of fixture datums, and a number of clamping devices. The in-port sequencing valve includes a hou...
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WO/2019/137904A1 |
The invention relates to a seal (11), in particular a rod seal for sealing an axially movable rod (9, 10) in a guide cylinder, in particular a piston seal for a pneumatically, electrically or hydraulically driven coating agent pump for p...
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WO/2019/138166A1 |
The present invention relates to a hydraulic assembly, in particular for a declutching control of a motor vehicle. According to the invention, the hydraulic assembly comprises a deformable flexible casing (13) defining an expansion chamb...
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WO/2019/138577A1 |
A linking portion 68, 68m is provided at a distal end of either a rotating member 41 (first rotating shaft) of a tool unit 10 or a rotating shaft 62a (second rotating shaft) of a drive unit 60, and a linked portion 52, 52m to be linked t...
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WO/2019/135172A1 |
A workpiece holder for machining centers, comprising a body (12), at least one claw (32, 34) which can move with respect to the body (12) between two stroke limit positions under the control of actuation means (19), sensor means adapted ...
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WO/2019/129670A1 |
A mould-closing unit for an injection moulding machine for processing plastics has a mould support which is movable relative to a stationary mould support (10). A mould-moving device is provided to move the movable mould support into and...
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WO/2019/128131A1 |
A hydraulic oil cylinder with an anti-shear structure, comprising an oil cylinder (1), an oil storage tank (2), and a piston (3). The piston (3) is slidably assembled in the oil cylinder (1). The inner space of the oil cylinder (1) is di...
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WO/2019/120613A1 |
The invention relates to a tool clamping device (200; 500) for a machine tool (10) designed to fix a tool (20, 30) in place in a clamping manner, having a clamping direction (K) directed to a tool (20, 30), comprising: a fluid chamber (2...
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WO/2019/126833A2 |
Implementations are disclosed herein that relate to a cylinder occupying structure. An example provides a cylinder system comprising a mechanical cylinder including an internal space in which a fluid is introduced, and a piston configure...
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WO/2019/126095A1 |
In an exemplary method of monitoring performance of a fluid driven actuator for a valve, pressurized fluid is supplied through an actuator supply line to an inlet port of the actuator during a first time period to operate the actuator. C...
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WO/2019/122280A1 |
The invention relates to a hydraulic rotary drive (1) with a first rotary drive element (2), at least two annular pistons (5, 6) which are connected to the first rotary drive element (2) for rotation therewith and are movable axially on ...
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WO/2019/122243A1 |
The invention relates to a hydraulic tool for driving a pulling and/or pressing device, comprising a drive shaft which can be mounted on a screw driver, wherein a hydraulic pump which pumps hydraulic fluid into the working chamber of a h...
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WO/2019/113829A1 |
A compound oil cylinder integrated with the function of a balancing cylinder and a hydraulic system using the oil cylinder. The compound oil cylinder comprises: a balancing oil cylinder body (101), and a main oil cylinder boy (105). One ...
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WO/2019/117383A1 |
A hydraulic machine. A first flow control valve directs fluid from a first fluid supply to a first actuator when the first flow control valve is in a first position. A conflux control valve directs fluid from the first fluid supply to a ...
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WO/2019/110200A1 |
The invention relates to an electromechanical brake booster for a vehicle brake system, comprising an actuating unit that can be coupled to a brake cylinder. The actuating unit comprises at least one actuating element that can be coupled...
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WO/2019/105982A1 |
The invention relates to an articulated mast (1) having a plurality of mast segments (2, 2a), the mast segments (2, 2a) being pivotable at articulation joints (3, 3a) by means of a pivot drive about respective articulation axes (4, 4a) r...
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WO/2019/107617A1 |
The present invention relates to an actuator used for the reproduction of a vehicle crash test without an actual crash of a vehicle and, more specifically, to a device for generating impacts, which are generated during an actual vehicle ...
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WO/2019/102179A1 |
A rotary actuator (10) comprises a unitary housing (12) having a cavity therein and defining a continuous internal sealing surface. A rotary piston (14) is located within the cavity in sealing engagement with the sealing surface of the c...
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WO/2019/096617A1 |
The invention relates to a piston rod (2) comprising a piston (1), in particular for a fluid-operated actuator (10), the piston (1) being connected to the piston rod (2) and being made of a hybrid material. The invention further relates ...
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WO/2019/091512A1 |
The invention relates to a method and to a device (28) for determining the position of a piston (30) of a hydraulic cylinder (26) of a machine tool (10). In order to enable more accurate position detection, in particular in order to moni...
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WO/2019/091635A1 |
The invention relates to a level control system (10) for adjusting the level of a vehicle, in particular a rail vehicle, comprising at least one level control cylinder (13) and a level control piston (16). The level control piston (16) i...
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WO/2019/093274A1 |
According to the present invention, a cylinder tube (100) is provided with: a main body part (10) which has a through hole (11) that opens to end faces; and a cover part (20) which closes an opening of the through hole (11) of the main b...
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WO/2019/091638A1 |
The present invention relates to a levelling system (10; 10') for a vehicle, in particular a rail vehicle (12), comprising at least one levelling cylinder (18) and a levelling piston (16; 16'). The levelling piston (18; 16') is at least ...
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WO/2019/094956A1 |
Valve shutters to operate by means of gear engagement, so that a gas valve may be accurately rotated open or closed; wherein a pinion gear, which connects to a handle portion of a gas valve and rotates the handle of the gas valve, is dis...
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WO/2019/089928A1 |
A harmonic drive assembly and fluid-powered linear motors with both axial pistons are rotary piston arrangements incorporating the harmonic drive assembly are disclosed. The motors may be used in downhole drilling applications, but the d...
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WO/2019/085491A1 |
A return cylinder for a hydraulic machine and an operating method thereof. The return cylinder for a hydraulic machine comprises multiple single-rod return hydraulic cylinders (5) symmetrically arranged at two sides of a main hydraulic c...
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WO/2019/086768A1 |
The invention relates to a multi-process machine and specifically to its suspension device (20) equipped with two hydraulic cylinders (25, 27) for rotating the machine relative to an arm (21) supporting it. One cylinder (2.5) is pivoted ...
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WO/2019/087267A1 |
The present invention addresses the problem of providing a pneumatic actuator with improved durability. As a solution therefor a pneumatic actuator (10) is characterized by being equipped with an actuator main body section (100) configur...
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WO/2019/086181A1 |
The electro-hydraulic linear actuator comprises an individual pump unit (P) that is driven via a motor and in a rotational manner. The pump unit (P) is fluidically connected to the working chamber of the first hydraulic cylinder (Z1) and...
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WO/2019/076563A1 |
An actuating device (10) for a motor vehicle, comprising a housing (12) and a multi-part working piston (14) which is movable in relation to the housing (12), wherein the multi-part working piston (14) has a main piston (22) and an adjus...
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WO/2019/076394A1 |
The invention relates to a hydraulic unit of a reversible plough, comprising a double-acting working cylinder (1) and a hydraulic control unit (2), in which: the piston (3) comprises a radially peripheral seal (8) and at least one piston...
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WO/2019/077987A1 |
A piston (6) is inserted hermetically into a cylinder hole (2) in a housing (1) with a sealing member (7) interposed therebetween, in such a way as to be capable of moving in a vertical direction. A communicating passage (21) formed in a...
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WO/2019/076412A1 |
A drive assembly for adjusting the pitch of a wind turbine blade comprises a stator having a cylindrical body and a drive member positioned at least partially within the cylindrical body and movable along an axis thereof. A mounting pin ...
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WO/2019/077207A1 |
The oscillation cylinder arrangement (100) comprises a working cylinder (10A) and a piston with a rod (27A), arranged to move therein, and a control valve structure (20) for the working cylinder (10A). The control valve structure (20) in...
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WO/2019/076391A1 |
The invention relates to a two-way hydraulic unit comprising a double-acting working cylinder (1) and a hydraulic control unit (2), in which: the piston (3) comprises a radially peripheral seal (8), a first piston ring (9) with a first p...
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WO/2019/068879A1 |
The invention relates to a hydraulic arrangement (24). The hydraulic arrangement (24) has multiple hydraulic units (20a, 20b), the control units (26a, 26b) of which are connected, in particular in series, via a data connection (28). The ...
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WO/2019/069797A1 |
A pressure resistance instrument (100) comprises: a cylindrical main body part (110); a lid part (120) at which a wall part (122) and the main body part (110) are joined together; a positioning part (140) provided facing the inner periph...
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WO/2019/071167A1 |
A fluid-powered linear motor with rotary pistons is disclosed. An application is for a downhole motor but it could be used in other applications. Rotational pistons provide increased torque generation as the torque generated is proportio...
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