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WO/2000/008339A1 |
The invention relates to a hydro-transformer which comprises a hydro-motor (4), a control valve (2), and a control device (7). A working connection (2A) of the control valve which can be optionally connected in a hydraulic manner to a pr...
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WO/2000/005114A1 |
The invention relates to a hydraulic control unit for a motor vehicle braking system, comprising an electronic control unit (ECU), a pump (32) that delivers pressurised hydraulic fluid, supplying said hydraulic fluid to at least one brak...
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WO/2000/003902A1 |
The invention relates to a hydraulic unit for a hydraulic control and/or regulating device, especially for anti-blocking or anti-slip braking systems, comprising a control and/or regulating electronic system disposed in a control housing...
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WO/1999/067536A1 |
The invention relates to a piston-type accumulator designed notably for hydraulically actuating the discharge unit in non-automotive bulk commodity vehicles. In said accumulator the cylinder (1) comprises a tappet (25) which can be axial...
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WO/1999/064761A1 |
A regenerative adaptive fluid motor control system integrating a load adaptive fluid motor control system and a load adaptive energy regenerating system having an energy accumulator. The fluid motor control system includes a primary vari...
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WO/1999/064760A1 |
A regenerative adaptive fluid motor control system integrating a load adaptive fluid motor control system and a load adaptive energy regenerating system (including 66, 55) having an energy accumulator (e.g. 94). The fluid motor control s...
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WO/1999/051476A1 |
The invention relates to an electronically controlled brake system comprising a traction control system (TCS) and/or an electronic stability program (ESP), an actuating unit (26), wheel brakes (27), and a control unit (28). Said control ...
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WO/1999/043527A1 |
An air dryer and reservoir assembly for providing compressed air from an air compressor (20) on a heavy motor vehicle which includes an air dryer (14) connected to receive compressed air from the air compressor (20) and a secondary reser...
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WO/1999/039930A1 |
The inventive vehicle suspension system (1) has a hydraulic regulating element (2) and an accumulator element for receiving hydraulic fluid. Said accumulator element is configured as a gas accumulator (3) with a receiving chamber (20) fo...
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WO/1999/037574A1 |
The invention relates to a hydraulic, automatic device for raising a load and a method thereof, in which a lift spring is provided in the cylinder; a branch of the inlet pipe of the cylinder is connected to a tank via a check valve for r...
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WO/1999/034119A1 |
A hydraulic unit comprises a hydraulic cylinder with a piston (02), a hydraulic pump (15) with a driving motor (12) and a hydraulic accumulator of the piston or diaphragm type, and which hydraulic unit besides is adapted so that a hydrau...
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WO/1999/030947A1 |
An air dryer and reservoir assembly for providing compressed air from an air compressor (20) on a heavy motor vehicle which includes an air dryer (14) connected to receive compressed air from the air compressor (20) and a secondary reser...
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WO/1999/030041A1 |
The invention concerns a sphere in particular hydropneumatic comprising a rigid envelope (1) and a deformable flexible membrane (2) arranged inside said envelope to define an upper chamber (4) and a lower chamber (5), the sphere comprisi...
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WO/1999/029970A1 |
The invention relates to a hydraulic control mechanism for a mobile machine tool, especially a wheel loader, for damping longitudinal oscillations. The inventive hydraulic control mechanism comprises at least one hydraulic cylinder (12) ...
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WO/1999/024741A1 |
An accumulator piston (10) for an automatic transmission (12). The piston (10) comprises two components, the first and second being cup elements (32 and 36) welded together with their closed ends in abutting relation. The lower cup (32) ...
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WO/1999/022149A1 |
The invention concerns a digital device for elastic energy exchange system between a mechanical generator and receiver. For any device (whether extant or proposed), the energy (Eg) exchanged at input for each period (Tg) of the generator...
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WO/1999/019193A1 |
The invention concerns a device for storing and delivering fluid under pressure in hydraulic systems, comprising a motor unit (4), a pump unit (3) and a storage unit (2). The invention is characterised in that, in order to produce an ass...
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WO/1999/017029A1 |
The invention relates to a membranous chamber-type accumulator, particularly used in hydraulic system of aircraft or automobile industry with special requirements for shock-prevention, impact-reduction and security. The accumulator inclu...
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WO/1999/013227A1 |
An actuation and supply unit, particularly for auxiliary actuators (11) suitable to actuate complementary fixtures and/or tools in die-forming presses actuated by a main actuator, comprising a hydraulic power source (12) which is associa...
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WO/1999/013229A1 |
The invention relates to a hydraulic unit for supplying a consumer with hydraulic liquid, comprising a tank (2), a pump (7) and a connector unit (8) for at least one consumer. In order to produce said unit at low cost, the pump cover (12...
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WO/1999/013228A1 |
The invention relates to an accumulator (1) with a large volume inner space (3), especially an adjustable low pressure accumulator, in which a device (11) which separates the fluid area from the gas area is provided. Said device (11) con...
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WO/1999/006756A1 |
The invention provides an improved pipeline pulsation dampener, including a pressure vessel (10) divided by a diaphragm (22) of elastomeric material into first and second pressure zones. The first pressure zone (24) is connected to a pip...
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WO/1999/002865A1 |
The system (10) comprises a deviation circuit (12) having an inlet (14) and an outlet (16) to be connected to the hydraulic fluid supply line (102) of a mechanism (108) subjected to high-frequency shocks. The shocks travel back in the su...
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WO/1998/056632A1 |
A hydraulic control unit for a hydraulic vehicle control system such as anti-lock brakes, includes a hydraulic accumulator (94) including a housing (98) which defines a cavity (96) and a passageway (104) that extends from the cavity (96)...
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WO/1998/056630A1 |
The invention relates to the compact construction unit of a hydraulic unit, especially for a slip-controlled braking system. A pump (17, 18, 19), electromagnetically actuated valves and at least one low-pressure storage unit (24) are arr...
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WO/1998/055258A1 |
The invention relates to a method for producing a membrane reservoir with a metal case. The inventive method comprises the following steps; a) rotating a tubular piece around its longitudinal axis, b) preheating one end of the tubular pi...
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WO/1998/055770A1 |
The invention relates to a pressure control system capable of adapting to different load situations, having a hydraulic acculmulator (14), whose prestress pressure can be regulated via a control device (22) having a supply device (34). T...
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WO/1998/045109A1 |
The present invention relates to a hydraulic system for a press comprising a press ram (2), at least one main press cylinder (1) with a primary side (21) for producing press thrust and a device for returning the press ram. The hydraulic ...
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WO/1998/042923A1 |
The invention relates to a hydraulic control system for use predominantly for a mobile working machine, especially a wheel loader, comprising at least one hydraulic cylinder (12) which helps to move the working tool, a distribution valve...
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WO/1998/042986A1 |
The invention relates to a fluid cooling device in the form of a modular unit having a motor (10) which drives a ventilator wheel (2) and a hydraulic pump (14) which takes fluid from an oil reservoir (16) and delivers it to a hydraulic w...
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WO/1998/040630A1 |
The invention relates to a hydraulic unit for feeding and controlling lifts, hydraulic platforms, loading tailboards, gates, etc. driven by means of hydraulic cylinders. Said unit comprises a hydraulic pump (4) driven by a motor (2) via ...
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WO/1998/037329A1 |
The invention relates to a pressure accumulator with a housing (1) that has a pressure connection (5) and a body movably lodged inside the housing (1) and separating at least two chambers (2, 11) from each other in the pressure accumulat...
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WO/1998/037332A1 |
The invention relates to a processing system for compressed air (1) made up of individual units (2 to 6), such as a filter unit (3), a control unit (4), an oiler unit (6) and/or the like. Said units (2 to 6) are connected to each other b...
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WO/1998/036174A1 |
A multifunction pressure accumulator (21) comprised of a pressure-proof reservoir having at least two pressure connections (4, 10) and at least two leak-proof partition walls (2, 5) moving or flexing due to pressures conveyed to the rese...
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WO/1998/033989A1 |
The present invention relates to a device for a hydraulic system, which system comprises a number of hydraulic cylinders (20, 11) and a number of accumulators (27, 40), pre-charged at a certain pressure, which communicate via connections...
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WO/1998/025850A1 |
The invention concerns a secondary-control hydraulic drive system for lifts, wherein a hydrostatic unit driven by an electric motor feeds pressure medium into an operating pressure line (8) in which an applied pressure, if possible a con...
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WO/1998/025756A1 |
A container for a flow medium made of plastic material comprises a container pot (1) which can be closed by a lid (2). The container pot (1) and the lid (2) are adapted to each other, as far as their position is concerned, on a mold part...
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WO/1998/025037A1 |
The present invention related to a strain limiting stop between an input portion (20) and an output portion (6) and includes a cylinder (10) which can be fed with oil and is fitted with a piston rod (12). A pressure relief device is inst...
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WO/1998/020257A1 |
An inverted accumulator for underwater use comprises an air-filled low pressure chamber (1) which is lowered down to the seabed. The chamber is connected to a piston/cylinder device (2). The pressure difference will be capable of activat...
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WO/1998/013603A1 |
The energy of a return hydraulic oil of an actuator is recovered and is reutilized as energy for operating other actuators. A first pump/motor (16) and a second pump/motor (17) are mechanically connected to form a pressure convertor (18)...
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WO/1998/010966A1 |
A reservoir (24) for a master cylinder including an upper reservoir (26) section forming a portion of a float damping chamber and a lower reservoir section (28) forming a portion of the float damping chamber. The upper reservoir section ...
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WO/1998/006948A1 |
The invention relates to an accumulator (1) for supplying oil to servo devices. In hydraulic facilities operating with an accumulator (1), the pump often causes disturbing noise resulting from oil pressure pulsation. In order to reduce s...
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WO/1998/000320A1 |
This invention proposes to provide a hydraulic brake system with a device for active braking with a diaphragm damper (8) which is optimally configured with regard to its overall dimensions. The diaphragm (9) of the diaphragm damper of th...
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WO/1997/046823A1 |
An improved hydraulic accumulator is introduced wherein a valve mechanism (3) is used to seal a hydraulic fluid before the pressure charged piston (1) reaches the end of the accumulator to minimize the loss of compressed gas by eliminati...
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WO/1997/045306A1 |
The invention relates to an electronically controllable brake system for a motor vehicle with a cylinder/piston arrangement provided with brake fluid. Operation of a brake pedal causes said arrangement to supply brake fluid acting on a v...
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WO/1997/042417A1 |
The invention relates to a device to save energy for hydraulically-operated tool shanks (70) using a piston-type accumulator having a housing (10) in which at least two longitudinally displaceable pistons (12, 14) are arranged and are ea...
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WO/1997/041357A1 |
A pneumatic cylinder for actuating fume extraction valves in fume and heat extraction plants has a piston (2) that may be actuated from both sides with at least one working surface and that can be made to slide by pressurised air in a cy...
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WO/1997/040300A1 |
An actuation system particularly for the operation of a vehicle clutch and/or gearbox ratio selector members in which a pump (10b) charges an accumulator (10c) via a non-return valve (10d). A slave cylinder (11) receives pressurised flui...
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WO/1997/035113A1 |
When the diaphragm in a diaphragm accumulator tears, nitrogen may move into the fluid. If the diaphragm accumulator is used in a braking system, serious faults can occur. In the diaphragm accumulator (2) according to the invention, an in...
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WO/1997/022503A1 |
The invention relates to a hydraulic assembly comprising a housing (9) and at least one cover (2) which closes off the housing (9). To allow the hydraulic assembly to be fixed to a stationary component (1), the cover (2) is provided with...
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