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WO/2013/029583 |
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/2012/164590 |
A hydrodynamic compression and/or cutting tool (1 ) comprises an electric motor (6), a transformation mechanism (8) suitable for transforming the rotary motion of the motor (6) into an oscillating translation motion, a two-speed hydrauli...
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WO/2012/146337 |
The invention relates to a brake master cylinder (10) for a vehicle brake system, having - a housing (12), - a bore (14) which is formed in the housing (12), has a longitudinal axis (A), in which at least one pressure piston (16) for del...
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WO/2012/146227 |
Device for securing for transport an actuating linkage of an actuating pedal in a motor vehicle, comprising a master cylinder at one end of which there is arranged a stop ring for a piston which is under the pressure of a spring in the c...
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WO/2012/123722 |
A power conversion apparatus (1 ) for powering automotive ancillary equipment such as a refrigeration unit (4) that requires a substantially constant voltage and frequency. The apparatus (1 ) includes a variable displacement pump (5) con...
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WO/2012/123722 |
A power conversion apparatus (1 ) for powering automotive ancillary equipment such as a refrigeration unit (4) that requires a substantially constant voltage and frequency. The apparatus (1 ) includes a variable displacement pump (5) con...
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WO/2012/119817 |
Proposed is a drive arrangement for performing working movements in a working machine having at least one linear drive, wherein each linear drive comprises at least one working cylinder (11, 11A) which, for the supply of pressure medium,...
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WO/2012/113368 |
The invention relates to a hydraulic device, in particular for actuating a clutch, comprising a hydraulic working cylinder, which is arranged near the clutch and which is connected to a volumetric flow source by means of a hydraulic line...
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WO/2012/089186 |
The invention relates to a master cylinder (1) for a hydraulic clutch or brake system in a vehicle, consisting of a housing (2), in the longitudinal bore (3) of which a pressure chamber (4) is delimited by a piston (6) that can be displa...
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WO/2012/090820 |
Provided is an actuator which comprises a rotation shaft inserted in a blocking part that blocks a cylinder bore filled with a working fluid. A piston rod comprises a concentric shaft insertion hole. A plurality of plunger holes which ar...
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WO/2012/011615 |
Disclosed is a system for controlling a hydraulic pump in a construction machine which can reduce the discharge flow of the hydraulic pump in proportion to the load pressure of the hydraulic pump to enhance operability by the driver. The...
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WO/2012/000477 |
The invention relates to a master cylinder (1) for a hydraulic system, in particular for motor vehicles, having a cylinder housing (2), a pressure chamber (5) which can be filled with pressure medium and is delimited on one side by a pis...
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WO/2011/150913 |
The invention relates to a hydraulic cylinder (1) with a cylindrical hollow housing (2) which has a secondary space (6) at an angle to a primary space (5), wherein a component (4) is guided in an axially movable manner in the primary spa...
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WO/2011/141084 |
The invention relates to a drive system having at least one hydraulic actuator (2), which is supplied with pressure medium (4) by means of at least one pressure-medium pump (3) in a main circuit, the pressure-medium pump (3) being a rota...
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WO/2011/140408 |
A component includes a transmission arrangement for transmitting a force between an actuator (102) and a control valve (172). The transmission arrangement includes a post (116) that is associated with the actuator (102). The control valv...
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WO/2011/140408 |
A component includes a transmission arrangement for transmitting a force between an actuator (102) and a control valve (172). The transmission arrangement includes a post (116) that is associated with the actuator (102). The control valv...
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WO/2011/104831 |
Disclosed is an internal combustion engine control device which prevents damage to an actuator diaphragm at high temperatures and increases the heat resistance thereof. A valve actuator (30) is equipped with a communicating aperture (76)...
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WO/2011/102706 |
The invention relates to a hydraulic wrench with manual actuation for tightening and loosening with torque regulation, that does not require an external element for the operation thereof, whether hydraulic pumps with their respective sup...
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WO/2011/094607 |
An air motor for a pump assembly including a drop tube communicating between an upper chamber port and a top plate port and including a longitudinal axis that is at an angle of between about 0° and 10° with respect to each of the upper...
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WO/2011/091836 |
The invention relates to a hydraulic arrangement, comprising at least two seat valves (8, 10), which each have a valve element (24, 26) preloaded onto a valve seat (40, 42) by means of a valve spring (32, 34). A pressure-medium connectio...
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WO/2011/094607 |
An air motor for a pump assembly including a drop tube communicating between an upper chamber port and a top plate port and including a longitudinal axis that is at an angle of between about 0° and 10° with respect to each of the upper...
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WO/2011/086455 |
An oil-hydraulic system for moving a gate, comprises a double-acting oil-hydraulic cylinder (11), which is intended to be kinematically connected to the gate to move it, and an electro-hydraulic pump (12) to feed and actuate the cylinder...
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WO/2011/072502 |
An integrated electro-hydraulic actuator comprises a hydraulic locking valve group with a position for locking a hydraulic cylinder, wherein two inlets of the hydraulic locking valve group are connected to two oil ports of a bidirectiona...
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WO/2011/072503 |
An integrated electro-hydraulic servo actuator comprises a hydraulic locking valve group with a position for locking a hydraulic cylinder, wherein two inlets of the hydraulic locking valve group are connected to two oil ports of a bidire...
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WO/2011/057773 |
In a machine press (1) having a lower and an upper tool carrier, a hydraulic drive acting on the upper tool carrier comprises at least one closed hydraulic drive system that can be switched between rapid motion and press motion, the driv...
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WO/2011/026944 |
The present invention discloses an electromotive hydraulic drive (1) for a hydraulically operable component (90), in particular for a setting unit. The hydraulic drive (1) comprises a hydraulic cylinder (10) with a piston (20) which can ...
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WO/2011/026944 |
The present invention discloses an electromotive hydraulic drive (1) for a hydraulically operable component (90), in particular for a setting unit. The hydraulic drive (1) comprises a hydraulic cylinder (10) with a piston (20) which can ...
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WO/2010/137048 |
A control system (1) is described, particularly for trailers, comprising at least one hydraulic motor (3) and at least detection means (5) of a rotation speed of the motor (3), the detection means (5) cooperating with control and managem...
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WO/2010/093094 |
The present invention relates to a separation column in which a spacer or a blind is positioned between fluid piping and a flange of the separation column tank in such a way as to allow the flow of fluid flowing in the tank and fluid pip...
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WO/2010/081449 |
The invention relates to a master cylinder (1). The invention is used inside hydraulic systems, in particular clutch or brake actuating systems, in automobile construction. In order to be able to provide a master cylinder (1) that has a ...
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WO/2010/075216 |
A hydraulic control system (28) for a machine (10) is disclosed. The hydraulic control system may have a pump (38) configured to pressurize fluid, a displacement control valve (58) configured to affect displacement of the pump, and a too...
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WO/2010/075216 |
A hydraulic control system (28) for a machine (10) is disclosed. The hydraulic control system may have a pump (38) configured to pressurize fluid, a displacement control valve (58) configured to affect displacement of the pump, and a too...
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WO/2010/071344 |
The present invention provides a flow control apparatus for a hydraulic pump of a construction machine, comprising: pressure sensor (80) for outputting pressure signals for a variety of control signal input values of the construction mac...
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WO/2010/063414 |
The invention relates to a hydrostatic drive having a hydraulic pump (2) that can be moved from a neutral position into a first and a second opposite delivery direction. The hydraulic pump (2) is connected in a closed circuit to a hydrau...
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WO/2010/046087 |
The invention relates to a hydraulic press drive (10), in particular for a sheet metal forming press or forging press, having a cylinder (12) and a plunger (14), which is movably mounted in the cylinder (12) between a top dead center OT ...
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WO/2010/028100 |
An electro-hydraulic actuation system (901) includes an unbalanced hydraulic actuator (902) capable of motion in retraction and extension directions during movement of a load (904). A pump (204) provides a flow of fluid to the actuator. ...
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WO/2009/141668 |
A power conversion apparatus (1 ) is disclosed for a lorry (2) with a refrigeration unit (4). The unit (1 ) includes a variable displacement pump (5) connected, in use, to an automobile engine (3), a motor (7) fluidly connected to the pu...
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WO/2009/132438 |
A multi-speed jack, having a pump assembly including a pump block having a first cylinder and a second cylinder defined therein, a piston assembly movable within the pump block, the piston assembly having a first portion configured to se...
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WO/2009/133743 |
Provided is a displacement amplifying device which uses Pascal's principle and is insusceptible to temperature change. A main body (1) is provided with an accommodation space (11) for accommodating a medium (2) therein. The medium (2) is...
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WO/2009/103694 |
An electro-hydraulic device with an electronic control and regulation system of a hydraulic actuator (21) for deforming fastening elements, comprising: a covering and protecting casing (3); at least a supply chamber (4), contained in the...
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WO/2009/102740 |
A flow management system (270) capable of providing adjustable hydraulic fluid flow or pressure at a common line to supply bidirectional pumps in electro-hydrostatic actuation systems and conditioning re-circulated hydraulic fluid. The s...
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WO/2009/102740 |
A flow management system (270) capable of providing adjustable hydraulic fluid flow or pressure at a common line to supply bidirectional pumps in electro-hydrostatic actuation systems and conditioning re-circulated hydraulic fluid. The s...
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WO/2009/071264 |
The invention relates to a hydraulic system, comprising a hydraulic actuator (1), comprising at least one first chamber (a) and a second chamber (b) having a connection each for connecting to the hydraulic system, at least one adjustable...
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WO/2009/039044 |
A closed specimen collection system for urine includes a port tube with a one-way valve adapted to fit a shaped nozzle that is attached to tubing ofto an indwelling urinary catheter A collection tube has a shaped nozzle at the proximal e...
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WO/2009/033199 |
The invention relates to a drive device (1) for a bending press, especially a folding press (2), comprising a press frame (3), a press table (9) and a press bar (11) that can be adjusted relative to the press table (9) via a hydraulic sy...
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WO/2009/026878 |
The invention relates to a master cylinder, e.g. for the actuation of a clutch or a brake of a motor vehicle, wherein a piston is axially displaceable inside a guide sleeve and the piston has a front recess in which a piston-side end of ...
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WO/2009/026893 |
The invention relates to a drive system for hydraulic presses, which allows constant and symmetrical prestressing of the press frame (1), said prestressing being independent of the required forming force, and thus precise guidance of the...
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WO/2008/133352 |
There is provided a fluid pressure drive unit that can fulfill a position holding function stably even when an external force acts during the time when the position is held, the unit being used, for example, for the right and left angle ...
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WO/2008/126579 |
An actuator has a power source (10), a cam member (15) driven by power from the power source (10), a following member (19) operatively associated with movement of the cam member (15), a receiving section (20a) for receiving an operation ...
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WO/2008/100830 |
Actuators suited for use with, for example, vehicular suspension systems. In some embodiments, the present actuators include a reversible hydraulic pump configured to produce variable hydraulic pressure; a hydraulic cylinder assembly (60...
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