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WO/2003/053756A1 |
The invention relates to a method and device for monitoring a brake system for motor vehicles, comprising an electronic controlling and regulating unit (16) in addition to a hydraulic pressure accumulator (21), which serves as an auxilia...
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WO/2003/052277A1 |
A hydraulic system (10, 50, 60), particularly for use in a work machine (12), is provided with a hydraulic pressure source. A hydraulic transformer (18) has an inlet (34, 40, 74) and an outlet (36, 42, 76), with the inlets (34, 40, 74) b...
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WO/2003/048627A1 |
A hydraulic accumulator (14) is equipped with a novel shut-off valve. The shut off-valve includes a valve body (21) having a cylindrical hollow with a valve seat (37) surrounding one end. The main piston (24) including a piston head has ...
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WO/2003/040575A1 |
A hydraulic device with a housing (41) inside which is a space (42) containing hydraulic fluid and an air volume. A breather assembly (1, 60, 80) is further provided, having a breather duct (5) extending between the outside atmosphere an...
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WO2001096742B1 |
The invention relates to a portable hydraulic pump unit (1) comprising a housing (2), a pump (5), a drive motor (6) for the pump (5), in particular in the form of an electric drive motor, in addition to a reservoir (13) for hydraulic flu...
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WO/2003/038288A1 |
The invention relates to a piston-type accumulator for motor vehicle braking systems, comprising a housing (1) provided with a pressure medium connection (13), a piston (9) which is slidingly arranged in a housing (1) and which separates...
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WO/2003/033916A1 |
The invention relates to a piston-type accumulator comprising a housing (1) that has a hydraulic fluid connection (2), a piston (9) with a gliding motion, which is located in the housing (1) and separates a fluid chamber (3) from a gas c...
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WO/2003/033915A1 |
Disclosed is a pressure medium reservoir comprising a housing (1) whose inner area is divided by means of a media separation element (2) into two chambers (3,4), said first chamber (3) being filled with a gas and said second chamber (4) ...
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WO/2003/027624A1 |
A pressure indication device including a housing with an opening in communication with a pressure vessel, a plunger (72) moveable in the housing between a pressurized position and a non-pressurized position, a seal (80) between the openi...
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WO/2003/027045A2 |
Systems and methods involving monopropellant and hypergolic powered proportional actuators that may be used in applications such as robotics. A blowdown tank (10) delivers fuel to a reaction site, produce gaseous products. Those gaseous ...
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WO/2003/016774A1 |
An accumulator including a housing (20) with a gas chamber (22) and a liquid chamber (24) therein. A primary piston (30) is moveable in the housing and connected to the housing by a primary bellows (32) sealing the gas chamber with respe...
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WO/2003/016723A2 |
The invention relates to a piston-type accumulator comprising a separating piston (13) which can be displaced axially within a piston housing (1). Said piston separates a fluid side (15) of the accumulator from the gas side (23) thereof ...
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WO/2003/016722A2 |
The invention relates to a pressure accumulator for liquid and/or gaseous media, comprising a bellows arranged inside the housing, said bellows having expandable lamellae arranged in a multilayered manner between the lid and the bottom o...
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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/2003/010447A1 |
A receiving part (11) having a pressure receiving face (11F) is provided in the through hole (10) of a container body (1), wherein the pressure receiving face has a tapered pressure receiving face (11A) and an outer receiving pressure re...
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WO/2003/008810A1 |
A booster actuator (10) may be positioned between the solenoid (12) and a valve (14), and increases the energy output from the solenoid to activate the valve. The booster actuator (10) may include a force input member (28) and a force ou...
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WO/2003/006753A1 |
The invention relates to a hydraulic control system for damping the operational vibrations of a mobile machine comprising a lifting cylinder (2) which supports a tool, the chambers (12, 14) of the cylinder being connected to a hydraulic ...
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WO/2003/004882A1 |
The invention relates to a method for influencing the rheological properties of a liquid interacting with at least one contact surface associated with an installation or machine part. At least one part of the liquid elements forming the ...
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WO/2002/097281A1 |
The invention relates to a hydropneumatic pressure reservoir comprising a reservoir housing (10) with a membrane (12) therein, forming a moving separating element between a first chamber, in particular a gas chamber (14) and a second cha...
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WO/2002/097280A2 |
The invention relates to a hydropneumatic pressure reservoir device comprising a reservoir housing (10) with a membrane (12) therein, forming a moving separating element between a first chamber, in particular a gas chamber (14) and a sec...
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WO/2002/095243A1 |
The present invention relates to a mobile handling arrangement with hydraulic circuit, forming part of which hydraulic part of which hydraulic circuit (L) is a lifting cylinder (1) arranged in a lifting arrangement (100) made for handlin...
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WO/2002/086326A1 |
The present invention relates to a hydraulic pressurization system, in particular for application to pressurization devices operating in accordance with the high hydrostatic pressure principle. In particular, the present invention relate...
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WO/2002/084127A1 |
The pressure receiving surface (11A) of a stepped support (11) in a through-hole (10) in a container main body (1) is opposed to the pressing surface (14A) of the flange (14) of a supply and exhaust sleeve (13). When the flange (14) of t...
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WO/2002/079653A1 |
The invention relates to a hydropneumatic pressure reservoir (1) with a housing formed from at least two housing shells (3, 5) which may be connected together. At least the end region of the one housing shell (5) comprises an outwardly-e...
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WO/2002/075161A1 |
Hydropneumatic accumulator comprising an accumulator housing (1) and a diaphragm (3) located therein, which forms a displaceable partition element between a first chamber, in particular a gas chamber (7) and a second chamber, in particul...
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WO/2002/064982A1 |
A hydraulic drive system that does not cause a decrease in efficiency of actuators, does not hinder an optimal action of devices such as flow adjustment valves, and does not cause any corrosion of water acting as an operating fluid. The ...
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WO/2002/059486A2 |
The invention relates to a hydraulic accumulator, especially a bladder accumulator, comprising an accumulator housing (10), a separation element disposed therein that separates within the accumulator housing a gas chamber (16) adjoining ...
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WO/2002/057636A2 |
A telescoping hydraulic hoist (10) which improves stability and rigidity in the extended position without sacrificing the maximum extension length of the hoist and with fewer machined parts which may be dislodged or damaged in operation....
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WO/2002/055886A2 |
The invention relates to a device for the forced oil feed of a hydraulic clamping cylinder (11) which is operated at a defined operating pressure p¿b? and during whose clamping operation a significant oil leakage flow occurs that is ret...
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WO/2002/055847A1 |
The invention relates to a pressure accumulator that serves to pressurize a hydraulic device. A gas exchange valve of an internal combustion engine, for example, can be actuated by means of said hydraulic device. The pressure accumulator...
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WO/2002/050434A1 |
The invention concerns a hydropneumatic accumulator comprising a bladder (4) separating an internal cavity (3) of a casing into two compartments (3a, 3b). The cavity (3) is arranged in a cylindrical body (10) produced by moulding an elas...
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WO/2002/048552A2 |
The invention relates to a pressure medium reservoir (10) for hydraulic units in which the wall sections (12a, 13a; 12b, 15b; 13c, 14c; 14d, 15d) are adhered to one another. The thickness (a) of the adhesive layer is selected in such a m...
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WO/2002/046621A2 |
A method for the release of energy in storage hydraulic energy propulsion systems having hydro-pneumatic accumulators (12,13) used in vehicles and in hydraulic hybrid vehicles. Pressure-release valves (34,36) and valve systems for the se...
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WO/2002/046657A1 |
The invention relates to a pulsation damper (1) which is used for damping pressure variations in an oscillating positive-displacement pump connected thereto. Said pulsation damper comprises an inlet connection element (2), an outlet conn...
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WO/2002/043980A2 |
A hydraulic energy storage system for vehicles to provide higher efficiency, smaller package size, lower weight, unitary construction, durability and enhanced reliability while maintaining the capability to efficiently store and restore ...
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WO/2002/042647A2 |
A hydraulic accumulator for use in a drill string having a fluid passage for supply of fluid to a hydraulic drill string tool is provided.The accumulator comprises a body provided with connecing means for connecting the accumulator to th...
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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/2002/036967A2 |
The invention relates to a pilot-operated pressure shut-off valve with a main control piston (20), by means of which an inlet (12), which can introduce a pressure medium to a hydraulic system, is connected to a drain (13), on reaching an...
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WO/2002/033266A2 |
The invention relates to a hydroaccumulator, in particular a bladder accumulator. Said accumulator comprises a pressurised container (1), a separation element (5) which is located in said container and separates a gas chamber (7) in the ...
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WO/2002/031362A2 |
A method for filling a printing ink reservoir with a housing (1) is disclosed, the interior of which is divided into two chambers (3, 4), by means of a metallic bellows (2), serving as a medium separator. The first chamber (3) is filled ...
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WO/2002/027193A1 |
The invention relates to a hydraulic aggregate for a hydraulic controlling and/or regulating device. Said hydraulic aggregate comprises a pump, whose pump casing (12) has a leakage space (8) provided with a leakage boring (1) leading int...
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WO/2002/024441A1 |
The invention relates to a controller for a hydraulic press, comprising a pressing cylinder (1), a reservoir (2), a valve group (3), a pressure medium reservoir (7) and a hydraulic pump (6), connected together by means of a cylinder line...
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WO/2002/016805A2 |
The present invention meets these objectives providing an IDG system that utilizes in flow series arrangement a scavenge pump (32), a spool valve (50) and a boost pump (44). When spool valve detects an interruption in the supply pressure...
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WO/2002/012731A1 |
An accumulator (1) capable of suppressing a hydraulic pressure vibrating noise in the range of a sealed gas pressure or below and being reduced in size, wherein an operating member (5) having a bellows (6) is disposed in a housing (2) to...
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WO/2002/008613A1 |
The invention relates to a device for moving heavy covers (10), in particular, doors for the opening and closing of apertures on a vehicle with armour plating (14). The cover (10) is moved by means of a hydraulic drive unit (18), which m...
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WO/2002/008612A1 |
The invention relates to a method for measuring the gas pressure in gas suspension or gas storage spheres (1), in particular, when in the assembled state in a motor vehicle and a device for application of the method. According to the inv...
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WO/2002/008036A1 |
The invention relates to an accumulation chamber for a hydraulic vehicle braking system. According to the invention, the accumulation chamber is configured as a gas separator (32) comprising two connections for fluid located at different...
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WO/2002/006680A1 |
An accumulator installed in the piping of equipment and temporarily accumulating a pressure in a pipe flow path or absorbing, by a pump, the pulsation of a fluid pressure generating in the piping, wherein a bladder (3) is formed in a lam...
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WO/2002/004819A1 |
A combined oil tank and oil accumulator vessel (1) having an internal chamber, and a moveable spring-loaded barrier (3) within the internal chamber defining a low pressure oil tank portion (10) and a high pressure accumulator portion (14...
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WO/2002/001076A2 |
A hydraulic energy accumulator consisting of a housing (7) with a space (4) for inserting metal bellows (5), comprising a non-moveable end and a moveable end with a front wall arranged in a sealed manner on the bellows and separating a h...
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