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WO/2003/008829A1 |
The invention relates to a disengaging system for controlling a clutch of a vehicle, comprising a master cylinder and a slave cylinder in a transmission path, whereby at least one additional valve is provided in the transmission path in ...
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WO/2003/008827A1 |
The invention relates to a transmission link for controlling a torque transmission clutch of a vehicle, whereby a torque tracking in the clutch is at least partially disconnectable according to at least one signal.
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WO/2002/087789A1 |
The invention relates to a controller for an unbalanced mass adjusting unit in a vibration exciter. Said controller comprises an adjusting piston (3) for changing the relative position of unbalanced masses in the vibration exciter (1) th...
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WO/2002/077463A2 |
The invention relates to a device for telecontrolling a function of drives for vehicles or machines. Said device comprises at least two manual gearboxes (1, 2) which are arranged at a distance from the drive (4) to be controlled, said ge...
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WO/2002/066806A1 |
The invention relates to a reciprocating piston machine with at least one main piston (5) disposed in an associated cylinder (4). A hydraulic system comprising at least one first hydraulic piston (8) appended to the main piston (5) is as...
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WO/2002/057669A1 |
Disclosed is a diaphragm valve. When a chamber is expanded by fluid supply into a pipe-shaped button, a valve stem is slightly moved upward by a rod and a shaft to open an outlet of an orifice. Fluid received in a space between a cap and...
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WO/2002/036400A1 |
The invention relates to a position indictor for displaying the position of a piston (3) within a cylinder (1) as part of a piston/cylinder arrangement (1, 3) in a braking system. The provision of a Hall element for a hydraulic master cy...
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WO/2002/029254A2 |
The invention relates to a valve for controlling fluids provided with a valve element (3), which can be axially displaced inside a valve body (5), with a hydraulic chamber (12), which functions as a hydraulic transmission, with a filling...
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WO/2002/016781A2 |
The invention relates to a device for regulating a hydraulic system used for remote-controlled switching and/or controlling processes. Said device comprises at least one master cylinder (1) having a cylinder chamber (17) which is defined...
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WO/2002/008611A2 |
The invention relates to a hydrostatic system comprising a hydraulic variable displacement pump, preferably an adjustable axial piston pump and a hydraulic motor connected thereto, preferably an axial piston motor, for driving the fan of...
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WO/2002/004820A1 |
A hydraulic cylinder circuit capable of operating a one side rod type hydraulic cylinder to an extension side and a retraction side at a same speed by a hybrid system driving a pump by a motor and simplifying a circuit configuration, cha...
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WO/2002/001080A1 |
The invention concerns a hydraulic circuit (17) and a control valve (18) dimensioned to be capable of providing the greater part the control surface (3) actuating, which requires less power than the system maximum performances. Moreover,...
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WO/2001/088381A1 |
A hybrid machine with a hydraulic drive device having hydraulic actuators allowed to operate against and by external loads, comprising hydraulic cylinders (7), first hydraulic pumps (P1) connected, with closed circuits, to the head side ...
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WO/2001/077531A1 |
An actuating device (1) for carrying out mechanical work by means of a slave piston rod (5) in a hydraulically-operated slave cylinder (2), where the actuating device (1) is made up of a hydraulic pump (3) integrated with a slave cylinde...
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WO/2001/065118A1 |
A hydraulic pressure transformer (10) for the conversion of an input hydraulic power to an output hydraulic power comprises a cam block (26) including a cam opening (30) defining a pump section (32) and motor section (34). The pump secti...
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WO/2001/063120A1 |
The invention relates to a device comprising a hydraulic system which is provided with a hydraulic coupler that is provided with at least two coupler chambers (100, 102) which are connected to one another. The hydraulic system is provide...
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WO/2001/054960A1 |
An electro-hydraulic actuator system (10 or 140) includes a hydraulic actuator (27) having a pair of fluid filled chambers (29, 30) and being operable to provide an actuator output (12) as a function of fluid pressures at the chambers. A...
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WO/2001/040662A1 |
The invention relates to a machine building industry and can be used for both stationary and mobile power plants. A method for operating the power plant consists in a transfer of mechanical energy between a mechanism with an oscillating ...
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WO/2001/040654A1 |
The invention relates to an active pneumatic component, in particular for pneumatically controlling a hydraulic bearing. Said component is characterised in that an electrically driven oscillating membrane pump is combined with a multiway...
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WO/2001/024662A1 |
A device for adjusting the relative angular position of two mutually articulated structures comprising a first and a second element (5, 6) respectively connected to said structures, that rotate mutually around the axis of articulation of...
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WO/2001/011439A1 |
In a system for directing the motion of a vehicle, controllers (10a, 10b), each of which independently controls motion of the vehicle, are linked to a coupling assembly (20) to cause the controllers to experience substantially identical ...
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WO/2001/000934A1 |
A hybrid construction machinery, comprising electric motors (6, 7, 13, 15, 23, 25) capable of being operated with a power from a generator (11) driven by an engine (10), a power from a main battery (12) to which the power from the genera...
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WO/2001/000933A1 |
A construction machine of motor-driven type in which electric components of a motor and the like have long lives since a simple structure is provided to the machine. In a shovel having a hydraulic pump (16, 24, 26) driven by a motor (15,...
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WO/2000/077334A1 |
The invention relates to an apparatus for operating a gate (U), which apparatus is provided with a pressure generating unit, which can be mounted in the ground and which is provided with a hydraulic cylinder (A) as well as restoring spri...
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WO/2000/066864A1 |
The invention relates to a device for opening of doors. Electromechanical systems contain many expensive components and are thereby expensive to manufacture. Installed electromechanical systems are expensive in operation by virtue of the...
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WO/2000/058569A1 |
A shovel so designed that generator (11) is driven by an engine (10) serving as a power source and electric motors (6, 7, 15, 23, 25) are rotated by the power fed from the generator (11), the electric motors (6, 7, 15, 23, 25) actuating ...
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WO/2000/047909A1 |
A hydraulic tool (10) includes housing structure (16), a pump piston (20) disposed in the housing structure (16) to define a pumping chamber (D) at one end thereof and a pump reservoir chamber (E) at another end of the pump piston. The p...
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WO/2000/045673A1 |
A power inflation system, e.g. for use as an inflatable lumbar support for a seat, comprises a pump (22) in fluid communication, through a conduit (140A, 140B) with a closed cell (18). A sound attenuator (200) is operatively disposed in ...
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WO2000036361B1 |
The aim of the invention is to create a cost-effective hydraulic manipulator which can be ergonomically handled and which has a good response characteristic. To this end, the drive element of the manipulator is embodied as a hydraulic pu...
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WO/2000/032932A1 |
A reversibly actuatable fluid hydraulic pump is described for use in a hydraulically driven elevator. The pump comprises a cylinder and a piston linearly actuatable within the cylinder by means of a ball screw race disposed over a spindl...
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WO/2000/017537A1 |
A hydraulic stepping up device in the form of a fluid gear (42-46) is located between a braking cylinder (20), which is guided in a bore (19) of a wheel brake actuator (18) and a spindle drive (34, 36), which is activated by an electric ...
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WO/2000/002302A1 |
An actuator (7) comprises a housing (8) which contains a screw mechanism (9) and a motor (10) which is drivably connected to the screw mechanism (9), said screw mechanism (9) providing a linear movement in response to a rotational moveme...
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WO/2000/001954A2 |
The present invention relates primarily to a hydraulic actuating system (1). The invention also relates to the applicability of such an actuating system, e.g. as a braking system for roller skates such as inline skates. The invention fur...
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WO/1999/064758A1 |
The invention concerns a device comprising a shift cylinder with a cylinder body (17) bearing a first sleeve (54) for guiding a second sleeve (42) enclosing an axially mobile piston (21) with an intervening piston seal between the second...
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WO/1999/061803A1 |
The present invention relates to a pneumatic control for pneumatic ailerons known from WO 98/03398 and/or wing flaps of a fixed wing airplane, which can be manually actuated by means of a lever. The adjustment lever is connected to a thr...
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WO/1999/055197A1 |
Telescopic arrangement (1), especially a hydraulic (14) arrangement, and especially for system of furniture, but also for other systems or arrangements (1), which shall be lifted (4.1/11, 4.2/11) or lowered (12). It contains a coupled (3...
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WO/1999/056038A1 |
Two synchronous hydraulic polyphase motor-generators with axial cylinders are connected by rigid or flexible pipes (39). One functions as a generator, the other as a motor to transmit torque and power. Sinusoidal piston motion in each po...
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WO/1999/043522A1 |
The invention concerns a device for transmitting and amplifying force for a braking system, comprising a pedal (1) and an output rod (2), and capable of transmitting via its output rod (2), in response to an input force (F1) of a first i...
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WO/1999/036702A1 |
Disclosed is a universal hydraulic system that replaces all rod assemblies and cables for power transmission. It comprises a master cylinder (1), one or more slave cylinders (2) and one or more pressure lines (5). The system also include...
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WO/1999/000616A1 |
Manoeuvring arrangement, comprising a gear control (1) which comprises a gear lever (2) and is provided with a pivot hinge (4) by means of which the lever is articulated relative to a manoeuvring console for switching between a number of...
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WO/1999/000615A1 |
Manoeuvring arrangement, comprising a manoeuvring lever (1) and a manoeuvring console and provided with at least one pivot hinge by means of which the lever is articulated relative to the manoeuvring console for switching between a numbe...
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WO/1998/048174A1 |
The invention relates to a driving mechanism for a hydraulic differential cylinder (1), with two pumps, said pumps sharing the single driving mechanism and being fixed displacement pumps (5, 6). Since the displacement volumes of said fix...
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WO/1998/046899A1 |
The hydraulic control system disclosed herein employs a pair of combination poppet/spool valves (17, 19) to control the operation of a hydraulic cylinder (121) driven from a bidirectional pump (127). Flow introduced through the source po...
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WO/1998/009084A1 |
An electrically actuated hydraulic power cylinder (10, 100, 200) for use in a vehicle braking system. The power cylinder includes an electric motor (12, 102, 202), a rotary-to-linear actuator for converting rotary motion of the electric ...
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WO/1997/032764A1 |
An improved compensation piston arrangement (80, 138, 201) for use with a dual circuit master cylinder (10, 120, 200, 300, 320, 340) having a single service piston (26, 122, 206) for simultaneously pressurizing a first fluid chamber (60)...
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WO/1997/032765A1 |
An improved force transfer arrangement for use in a dual circuit master cylinder (10, 200, 300) having a pair of nested concentric pistons (28, 30, 208, 210, 308, 310) for pressurizing a pair of respective fluid chambers (92, 96, 214, 21...
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WO/1997/021929A1 |
A positioning actuator (40) with three axes (X, Y, Z) including at least one power axis is disclosed. The actuator includes a base (41) comprising a movable supporting member and a device (44) for moving said member up and down; and a sh...
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WO/1997/007275A1 |
A needlebar positioning system for a tufting machine is disclosed which comprises a first hydraulic cylinder (44) driven directly or indirectly from the tufting machine main drive shaft (30), by the cylinder being connectable to a needle...
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WO/1996/037392A1 |
A master cylinder having, in addition to a main pressurizing chamber (72), a fast-fill pressurizing chamber (74) to quickly force, while pedal effort is minimal, brake pads or shoes from initially retracted positions to positions where t...
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WO/1996/023996A1 |
A pressure reduction valve for reducing the pressure in double-acting, closed hydraulic systems when they are not attended. The valve comprises a valve housing (1) with a boring (6), whose ends communicate with the respective circuits, a...
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