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WO/2013/058951A1 |
A hydraulic system (56) includes a variable displacement pump (66), and a variable displacement first travel motor (42L) selectively fluidly connected to the pump (66) in a closed- loop manner. The system (56) also includes a first switc...
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WO/2013/059536A1 |
A hydraulic system (56) is disclosed. The hydraulic system may have a first circuit (64) fluidly connecting a first pump (66) to a swing motor (43) and to a first travel motor (42R) in a parallel closed-loop manner. The hydraulic system ...
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WO/2013/056761A1 |
The invention relates to an actuating device 1 for a rotatable closure part of a valve, in particular a pneumatically or hydraulically actuable rotary drive for a disc valve or throttle valve, according to the preamble of claim 1. The in...
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WO/2013/059001A1 |
A hydraulic system (56) includes a variable-displacement first pump (68A, 68B, 68C, 68D) and a variable-displacement second pump (68A, 68B, 68C, 68D). The hydraulic system also includes a first actuator (26, 32, 34) selectively connected...
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WO/2013/059018A1 |
A hydraulic system (56) includes a variable-displacement first pump (68D), an over-center variable-displacement first travel motor (42L) selectively connected to receive fluid pressurized by the first pump in a closed loop manner, and an...
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WO/2013/058942A1 |
A hydraulic system (56) is disclosed. The hydraulic system may have a plurality of closed-loop circuits (58, 60, 62) fluidly connecting a plurality of pumps (66) to a plurality of actuators (42L, 42R, 43, 26, 32), and at least one contro...
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WO/2013/058973A1 |
A hydraulic system (56) includes a variable-displacement first pump (68A, 68D), a variable-displacement second pump (68B, 68C), and a first actuator (32, 34, 42L, 42R) selectively connected either to the first pump in a closed loop manne...
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WO/2013/055264A1 |
The present invention relates to an actuator (5, 11) for a hood lifting arrangement in a vehicle pedestrian safety system. The actuator (5, 11) comprises a housing (6, 12) and a piston (7, 17), the piston (7, 17) having a first end (7a, ...
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WO/2013/050047A1 |
The present invention relates to a hydraulic system comprising at least one hydraulic pump driven by at least one electric motor. The hydraulic system further comprises at least one cylinder, which cylinder: is formed of a flexible mater...
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WO/2013/050459A1 |
The invention relates to an adapter for an assembly having a valve and a positioner, which are designed for pipeless valve mounting according to the guideline VDI/VDE 3847. The adapter (11) is intended to be installed between the valve a...
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WO/2013/051333A1 |
The purpose of the present invention is to provide a fluid cylinder and clamp device capable of reliably detecting through changes in air pressure in an air passage within a main clamp the arrival of an output member at a prescribed posi...
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WO/2013/048745A1 |
A hydraulic system (72) is disclosed. The hydraulic system may have a pump (80), a first actuator (34), and a meterless circuit (74) connecting the first actuator to the pump. The hydraulic system may also have a second actuator (26) con...
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WO/2013/044934A1 |
The invention proposes a fluid-actuated rotary drive device which has a housing (2) in which is formed a working chamber (3) in which is situated a pivoting piston (18) which is pivotable about a central axis (5). Furthermore, in the wor...
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WO/2013/048895A1 |
A hydraulic system (72) is disclosed. The hydraulic system may have a pump (80) with variable-displacement, a first linear actuator (26), and a second linear actuator (26) coupled to the first linear actuator to operate in tandem. The fi...
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WO/2013/045113A1 |
The invention relates to a valve device for mounting on a hydraulic cylinder having a first cylinder port, wherein the valve device has a first cylinder port connection (A') for the connection to the first cylinder port on the hydraulic ...
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WO/2013/048796A1 |
A hydraulic system (56) is disclosed. The hydraulic system may have a pump (66), a rotary actuator (42L), a linear actuator (34), and a closed- loop circuit (58) fluidly connecting the pump to the rotary and linear actuators. The hydraul...
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WO/2013/041071A1 |
The invention relates to a working cylinder, in particular a slave cylinder of a release system for a vehicle, wherein fluid channels are present in an end face (1A) of a housing (1) for the working cylinder, wherein at least one fluid c...
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WO/2013/040780A1 |
Disclosed is a control system for a variable displacement pump, which system comprises a variable displacement pump control mechanism (1), an oil outlet pipeline (11) of which variable displacement pump control mechanism is in communicat...
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WO/2013/042044A2 |
An economizer device associable with a linear pneumatic actuator (20; 220) having a casing (21) and a piston (22) slidable inside the casing (21) and defining two chambers (23, 24) in the latter, comprises a body (102; 202) provided with...
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WO/2013/037341A1 |
The invention relates to a stop arrangement for the retracted piston rod of a master cylinder, with a stop ring (1) connected to the housing of the master cylinder, and a piston rod stop (3), having on its side facing the stop ring (1) a...
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WO/2013/038917A1 |
The position sensor attachment band of the present invention for attaching a position sensor to the outer circumference of a cylinder tube has a thin-sheet band, the thin-sheet band has one or more projections protruding on the inner cir...
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WO/2013/040177A1 |
Hydraulically actuated standoffs for downhole tools are described. An example apparatus includes a downhole tool having a body defining an outer surface and a plurality of standoffs distributed about the outer surface. The example appara...
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WO/2013/040303A1 |
A flow control valve includes a housing that includes a fluid inlet, a fluid outlet, a first work port and a second work port. The housing defines a spool bore and a pilot spool bore. A main stage spool is disposed in the spool bore. A p...
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WO/2013/036501A1 |
In general, the disclosure is directed to techniques for determining the position of a piston within a linear actuator, such as a hydraulic cylinder, in a more cost effective and less labor-intensive fashion compared to current technique...
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WO/2013/036126A1 |
Marine shell door comprising a framework including a door plate. The framework provides a skeleton structure to reinforce the shell door. Typically, the framework includes a plurality of compartments. The marine shell door is improved in...
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WO/2013/035540A1 |
A hydraulic pressure cylinder is provided with a cushion mechanism which reduces the speed of the piston rod when the piston rod is near the end of stroke thereof relative to the cylinder tube. The cushion mechanism is provided with: a c...
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WO/2013/031061A1 |
A first piston (10) is inserted into a housing (2) so as to be capable of moving up and down while remaining sealed. A second piston (20) is inserted into the cylinder hole (14) of the first piston (10) so as to be capable of moving up a...
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WO/2013/029583A1 |
The invention relates to a piston rod connection. A piston rod (5) has a spherical end (4) in the region (3) that contacts the piston (1). The piston has a spherical depression (3) in the region that contacts the piston rod, said spheric...
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WO/2013/030486A1 |
The present invention relates to a hydraulic actuating cylinder (11) with no driving piston comprising an elastically deformable closed envelope (14) connected firstly to a mobile actuating rod (16) and secondly to a fixed point, said en...
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WO/2013/033538A1 |
A pneumatic controller (300) described herein includes a housing (302) to be connected to an actuator (108). The housing contains a position monitor (306) with a wireless communication interface. The pneumatic controller also includes a ...
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WO/2013/026508A1 |
A piston - chamber combination comprising a chamber (186) which is bounded by an inner chamber wall (185) and comprising a piston inside said chamber to be engagingly movable relative to said chamber wall at least between a first longitu...
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WO/2013/026080A2 |
The invention relates to a position-measuring device (2) for a piston rod (6) leading out of a fluid cylinder (1), comprising a material measure in the form of an optically detectable code pattern (8) arranged at the outer circumference ...
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WO/2013/024571A1 |
A control device for a drive mechanism (101) driven by a pneumatic artificial muscle is provided with a pressure control means (203) for controlling the pressure of a pneumatic artificial muscle (6a, 6b), a target pressure calculation me...
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WO/2013/021520A1 |
In the present invention, a first piston (20) for high loads is inserted into a housing (18) so as to be vertically moveable and a second piston (22) for low loads is inserted into a cylindrical hole (40) in the first piston (20) so as t...
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WO/2013/013398A1 |
Disclosed in the present invention is a pneumatic cylinder structure which comprises a pneumatic cylinder (1) and a control valve device (2), wherein the pneumatic cylinder (1) comprises a gas chamber (11) and two pistons (12). Actuating...
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WO/2013/013416A1 |
A straight-line force application unit (2) includes a second drive cylinder (24) whose cylinder body is fixed and a first drive cylinder (22) which is in parallel with the second drive cylinder. The piston rod of the first drive cylinder...
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WO/2013/016070A1 |
A switch module used for position sensing may be operated in a number of modes for compatibility with a number of legacy position sensing products. A dry switch circuit can be configured to provide a direct output, emulating dry reed, hi...
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WO/2013/012609A1 |
A dual piston valve actuator operable to provide an initial thrust force that is greater than a subsequent thrust force for moving a gate valve from a closed position to an open position. The actuator may include a first piston and a sec...
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WO/2013/007260A1 |
A press table (8) adapted for mounting in a press (2) and for mounting a pressing tool, including a pressing unit (24) comprising a first actuator (26) with a displaceable first pressing cylinder (32) for actuating the pressing tool with...
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WO/2013/004690A1 |
The invention proceeds from a pneumatic actuating drive (1) with a pneumatic adjusting unit (10) with a pneumatically drivable adjusting element (11) and with a damping unit (20), wherein the adjusting element (11) is in an operative con...
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WO/2013/004860A1 |
Hydraulic mechanism that comprises three identical extendable hydraulic cylinders (2), each composed of pistons (3), said cylinders being arranged in the form of an H-shaped body (4) of three fluid-filled cylindrical tubes, a central tub...
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WO/2013/005112A2 |
Performance indicating device (400) adapted to be connected to a processing apparatus (100), in particular to an apparatus for demolishing and in particular for milling surfaces or layers (Sr) upon which one can walk or drive such as for...
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WO/2013/001173A1 |
The invention relates to an actuator including a housing (1), four pistons (2A, 2B, 2'A, 2'B) which jointly move, two by two, in opposite directions in the housing due to the pressure of a fluid, and which are translatably secured to the...
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WO/2013/000155A1 |
Disclosed is a hydraulic remote transmission control device (10) which includes one hydraulic cylinder (11) having at least two output-input ports (111, 112) and one output stem (113), one pressurizing unit (12) connected to the at least...
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WO/2012/173550A1 |
A device for damping of a piston (3) being connected to a piston rod (4) and being moveable to and fro inside a cylinder housing (2) of a cylinder, including a damping recess (8) being associated with the piston and a damping protrusion ...
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WO/2012/171251A1 |
Provided are a stroke-adjustable oil cylinder assembly and an insert-pull pin mechanism for position-fixing devices. The stroke-adjustable oil cylinder comprises: a bracket (13) horizontally arranged; an oil cylinder (11) provided on the...
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WO/2012/171206A1 |
Disclosed are a concrete pumping device and a constant power control device of its variable displacement pump. The variable displacement pump is provided with a displacement control valve block (1). The constant power control device incl...
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WO/2012/172056A1 |
The invention relates to a control cylinder (12) for an engine brake for providing a deceleration function by throttling the exhaust-gas flow at the outlet side of a turbocharger (2) of a vehicle engine (1), comprising a cylindrical hous...
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WO/2012/167808A1 |
A locking device is used for locking at least a piston associated with an operating element of a valve, a choke, a blowout preventer or some other unit used in the field of oil/natural gas drilling and/or oil/natural gas production. The ...
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WO/2012/166589A1 |
A hydraulic fan circuit (10) includes a primary pump (14), a motor (18) fluidly connected to the primary pump (14), and a fan (20) operably connected to and driven by the motor (18). The circuit (10) also includes a supply passage (26) e...
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