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WO/2003/016766A1 |
A control valve (36, 37, 39, 40) for controlling the flow of fluid to a fluid-operated actuator, in an open condition in use, allows the flow of fluid from a fluid source to the actuator and, in a closed condition, prevents the flow of f...
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WO/2003/016761A1 |
A directional control valve, wherein a first hollow chamber (43) and a second hollow chamber (45) are dividedly formed in a spool (41) rotatably or slidably inserted into a sleeve (5) fixedly fitted into a valve housing (3), supply side ...
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WO/2003/014577A1 |
An improved rotary servovalve system employs a rotary magnetic solenoid (33) having an armature that includes at least one permanent magnet. The armature is coupled to carry a movable valve element (7) in angular rotation therewith so th...
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WO/2003/014576A1 |
The invention relates to a control device for a hydraulic pilot motor (27), which is characterized by the following: two throttle devices (D1, D4) are disposed in series between the pump (P) and the tank (T), between which a line (LA) br...
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WO/2003/011665A1 |
The invention relates to an electrohydraulic unit, especially for antiskid motor vehicle brake systems. The electrohydraulic unit has a hydraulic unit (2) (HCU) comprising a locating body (3) housing electrically controllable valves and ...
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WO/2003/012566A1 |
A microvalve device includes a first plate, a second plate and a third plate. The second plate is connected beetween the first plate and the third plate. The second plate contains a stationary element and a moveable plate valve slider el...
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WO/2003/010452A1 |
The application relates to a pneumatically actuated pneumatic valve (46) having a housing (62, 64, 66) with supply (70), exhaust (72) and pilot pressure (88) ports and a piston (82) confined between first (84) and second (76) diaphragms ...
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WO/2003/008250A2 |
The invention relates to a compressed air treatment device (1) which is designed to be installed in an industrial vehicle consisting of a motor vehicle that can pull a trailer. The inventive device comprises a set of electropneumatic com...
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WO/2003/002396A1 |
A power steering system for motor vehicles, fitted with a rotary disk valve and comprising a reaction piston (1) defining an active (2) and passive reaction chamber(3). A servo pressure can be fed to the active reaction chamber (2) in or...
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WO/2003/000534A2 |
The method consists in the following: an operating characteristic of the fluid source is determined; the rate (QI) of the priority flow (S1) is maintained at substantially the same rate as the rate (QE) of the input flow (E) and the rate...
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WO/2002/101275A1 |
The invention relates to an intrinsically safe, magnet-actuated valve (1) for control hydraulic systems used in underground mining comprising a valve spindle (10), which is sealed on the outer diameter in an outwardly sliding manner by m...
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WO/2002/096683A1 |
A trailing arm suspension for a vehicle. The trailing arm suspension having a height control system for controlling the ride height of the suspension relative to the vehicle. The height control system preferably comprises a motor driven ...
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WO/2002/095241A1 |
The invention relates to a pneumatic control and regulation device (10) for hydraulic fluid flows, comprising an inlet channel (14), two outlet channels (16, 18) and a ventilation channel (20), in addition to a valve piston (90) which is...
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WO/2002/095239A1 |
A hydraulic driving unit that, in order to effectively utilize the pressure oil in the rod chamber (6a) of a boom cylinder (6) when the bottom pressure in an arm cylinder (7) becomes high during a composite operation in which pressure oi...
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WO/2002/090736A2 |
A hydraulically operated fan for a cooling system in an automotive vehicle. Two hydraulic motors drive a common fan shaft. A control system provides means to bypass flow in parallel with both motors or direct flow to both or one of the m...
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WO/2002/090779A1 |
An assembly of a pair of electrically operated bidirectional proportional control valves (36,38) and a four-way direction control valve (30) governs the flow of fluid to and from a hydraulic cylinder (16). The four-way direction control ...
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WO/2002/090778A2 |
The aim of the invention is to improve a hydraulic control assembly comprising a directional control valve that can be proportionally adjusted, in such a way that even for a single-action hydraulic cylinder a significant increase in the ...
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WO/2002/091404A1 |
The invention relates to an electromagnetic regulating device (1) for a hydraulic control valve, comprising a housing (14,15, 32) which comprises an electromagnet rotor arranged in a pressure pipe (2). Additionally, a distance measuring ...
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WO/2002/088550A1 |
The invention relates to a directional control valve comprising an internal pressure regulator. The pressure regulator piston (5) of the latter is configured as a hollow slide with a radial passage (31). According to the invention, the r...
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WO/2002/088583A1 |
A valve assembly comprising a valve (20), a mounting plate (42), a snap-together actuator, and a mounting bracket (40). The snap-together actuator is assembled by a set of snap wings (74) that are attached to one piece of the actuator ho...
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WO/2002/087942A2 |
Vorgesteuertes Ventil, insbesondere elektropeneumatisches Regelventil für ein Druckluftbremssystem eines Fahrzeuges, mit einem Relaisventilgehaüse (1), in dem ein axial verstellbarer Steuerkolben (5) zur Betätigung einer den Druckluft...
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WO/2002/086329A1 |
An improved hydraulic valve (100) for a camera dolly (10) includes a valve pin (102) having an extension (106) within a valve housing to reduce vibration and noise and to reduce hydraulic closing forces. The valve pin (102) is resilientl...
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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/2002/077506A1 |
The invention relates to an electromagnet (10) for actuating a hydraulic on-off valve (11), having a wet-type configuration and whose armature (31) is displaced in a pressure pipe (18) when a volume of oil is switched through a throttlin...
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WO/2002/075162A1 |
The invention relates to a control valve (10) for controlling the pressure and flow of hydraulic oil from or to the working connections (A, B) of a consumer. The pressure and the pressure flow are controlled by means of at least one slid...
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WO/2002/068848A1 |
The invention relates to an especially electromagnetically directly actuated cartridge-type directional seat valve (10). A known valve of said type comprises a valve bushing on the outside of which at least two connecting areas which are...
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WO/2002/066842A1 |
The invention relates to a distributing valve which is used for the especially load-independent control of a hydraulic consumer in terms of direction and speed. Said distributing valve comprises a control piston (22) which can be axially...
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WO/2002/066873A1 |
The invention relates to a pilot operated 2/2 way seat valve, especially cartridge-like. A known valve of this type comprises a valve housing, and a main valve piston which is axially moveable in a receiving bore hole of the valve housin...
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WO/2002/062641A1 |
The invention relates to a hydraulic unit for anti-lock automotive brake systems, comprising a valve block (8) with receiving bores (6) for one hydraulic element (2) each of electromagnetically actuated valves (1), a valve dome (10) whic...
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WO/2002/062517A2 |
A machining method for an integrated piping plate 201, for example, composed of a plurality of plates joined together, and in which an instrument and a component constituting an apparatus, or the instrument, or the component are or is di...
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WO/2002/061288A2 |
The invention relates to a hydraulic actuating system comprising a pump (2) which is connected to the working chambers of at least two double-acting piston-cylinder arrangements (1; 14, 15) by means of hydraulic lines (3, 4), one of said...
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WO/2002/061922A1 |
A linear electric actuator having an in-line rotation shaft (36), electric motor (28) and encoder (77) in which the encoder shaft (40), the motor shaft (22) and the rotation shaft (36) is concentric and integrally formed.
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WO2002014697B1 |
The invention relates to a valve block for at least two valves, which can be fixed inside a housing (2), comprising: an electric cabling to electric connections for the valves (20a, 20b); a pneumatic cabling to pneumatic connections for ...
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WO/2002/057619A1 |
The invention relates to a valve for controlling liquids, comprising a piezo actuator (2), a mechanical translation element (3) for translating the lift of the piezo actuator (2), a return element (4) and an actuating piston (6) for actu...
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WO/2002/057125A1 |
Despite the axial sandwich assembly of the motor housing (1), pump housing (2) and electronics housing (3), it is possible by using simple manufacturing and assembly techniques to provide a plug connection, which is free from distortions...
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WO/2002/057124A1 |
The aim of the invention, despite an axial sandwich structure of a motor housing (1), pump housing (2) and electronics housing (3), is to produce in a simple production and installation process a plug-in connection comprising power suppl...
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WO/2002/050622A1 |
The invention relates to a device with which a positive pressure is at least temporarily generated in a system (S) with respect to an ambient pressure (U). The device further comprises a pump (P) with a pressure side (20) and an intake s...
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WO/2002/050423A1 |
The invention relates to a high pressure injection system (1) comprising at least one fuel high pressure accumulator (2a), a control chamber (9) and a valve (10), in addition to an injection valve (3) having a valve needle (5) and a cont...
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WO/2002/048553A1 |
In an excavating/slewing work truck, the boom falls freely at the time of lowering operation without requiring any power but the flow rate of a pump increases excessively when the speed is balanced with other actuators and power loss is ...
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WO/2002/046622A1 |
The invention relates to a locking block (1) for controlling a hydraulic consumer. A main piston (16) which is configured with an advanced opening can be lifted from a valve seat (26) in a return function, by means of an opening piston (...
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WO/2002/044759A2 |
A position sensor and a method for sensing a position of a moveable member includes at least first and second deflectable members arranged so as to allow the moveable member to pass therebetween and cause the at least first and second mo...
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WO/2002/042648A1 |
A load independent flow distribution control arrangement for at least two hydraulic users is disclosed, with an adjuster pump, the setting of which is altered depending upon a user load pressure in a repeater line, each user being provid...
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WO/2002/040871A2 |
The invention relates to a hydraulic accumulator, especially a piston accumulator, comprising an accumulator housing (10) and at least one gas chamber (12) and a fluid chamber (14), these being separated from each other by a separating e...
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WO/2002/040873A2 |
The actuator (2) can be used to apply fluids to the web of a papermaking machine. The actuator comprises a housing (4) having a first inlet (16) connectable to the fluid source and a second inlet (10) connectable to a pressure source. A ...
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WO/2002/040899A1 |
A hydraulically driven car, comprising a hydraulic pump (10) driven by an engine (E) and a hydraulic motor (30) rotatable in forward and reverse directions to drive a wheel (31) and a hydraulic circuit (50) circulatingly connecting the h...
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WO/2002/038966A2 |
A fluid flow control valve system has a plurality of pairs of 3 port, 2 position (3/2) control valves (6, 6') each valve being movable between its two positions by a pair of electrically-operable actuators (1, 2). A logic controller sele...
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WO/2002/038990A2 |
The invention relates to a pilot-operated pressure supply valve. In said valve, a piston (10) of a principal stage that is constructed with a sliding seat is configured with a difference between its surfaces. The feed function of the pre...
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WO/2002/038993A1 |
The invention relates to a pilot-operated pressure feed valve, in which a pilot valve body (52) is associated with a dampening device (68) which dampens at least the closing motion of the pilot valve body.
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WO/2002/037003A1 |
The invention relates to a block (100) for receiving valve subassemblies (104a, ..., 103h). Said block has at least two plate segments, which define at least one fluid channel (T, P). In this way, the invention provides a modular plate s...
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WO/2002/031363A1 |
The invention relates to a pneumatic, reciprocating rotary driving mechanism unit for operating a shut-off member in a shut-off valve, comprising a substantially closed housing, in which a drive shaft (30) is journalled, a pneumatic cont...
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