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WO/2007/054282A1 |
According to the invention, an anti-cavitation fluid accumulator (14) for hydraulic circuits has a housing (16), which encloses an accumulator space, and a moveable blocking element which is arranged in the accumulator space and delimits...
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WO/2007/035997A1 |
A circuit (200) for a regenerative drive system including a motor/pump apparatus (10) coupled to an accumulator (12) via a primary valve device (203). The valve (203) includes parallel valves (204, 205) via which hydraulic fluid under pr...
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WO/2007/033491A1 |
A gas-biased hydraulic cylinder (1) for compensating for the tare weight of a material handling apparatus to be actuated by the cylinder. A tubular body (2) is capped by a cylinder head (8) and a blind end (6). A piston assembly comprisi...
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WO/2007/030017A1 |
A pressure accumulator (10) to establish the necessary power to drive and operate external equipment is described, such as hydraulic and/or mechanical systems comprising a main body (12) with an inner, longitudinal, main chamber (14) tha...
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WO/2007/021233A1 |
The invention relates to a method for arranging a separating piston (18) in a system cavity, where the piston (18) is intended to seal off and separate a liquid medium from a second medium. A first part of a piston (18c) comprised in the...
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WO/2007/020052A1 |
The invention relates to a hydraulic actuator (10), in particular for a chassis stabilising system, comprising a pressure chamber (16, 18) which is compressed by means of a hydraulic fluid and is coupled to an anti-cavitation pressure ac...
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WO/2007/015121A1 |
The invention essentially regards a hydraulic fluid arrangement for a hydraulic circuit of a vehicle, especially an industrial vehicle. This arrangement has a hydraulic fluid primary tank (2) located in a first place of the vehicle capab...
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WO/2007/000128A1 |
The invention relates to a hydraulic accumulator comprising at least one pressure chamber that is fluidically connected to a hydraulic circuit and that is defined between a mobile partition disposed in a housing and a stationary partitio...
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WO/2007/000190A1 |
A delivery apparatus for pressurised medical liquids comprising a reservoir (1) for medical liquid and a pressurising means (3,10,12) configured for pressurising medical liquid to a driving pressure; with a diffusion barrier (20) arrange...
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WO/2006/134324A2 |
A hydraulically driven elevator or lift is provided with counterbalance means to at least partly counterbalance the load imposed by the load carrier or lift car. Operation of the counterbalance means, which includes a source of hydraulic...
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WO/2006/130282A1 |
A hydraulic control system (24) for a work machine (10) is disclosed. The hydraulic control system has a source (26) of pressurized fluid and at least one actuator (20) having a first and a second chamber (58, 56). The hydraulic control ...
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WO/2006/114074A1 |
The invention relates to a hydraulic power steering system which comprises a tank and a power steering pump which takes in a pressure medium from an intake area which is decoupled from the prevailing atmospheric pressure on the side (5) ...
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WO/2006/106011A1 |
A pressure medium accumulator (14), in particular for a slip-controlled vehicle brake system, an accumulator unit comprising a plurality of pressure medium accumulators (14) and a method for manufacturing a pressure medium accumulator (1...
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WO/2006/101334A1 |
This invention is about the Hydraulic Power Generating System. With more detailed explanation the part of the generated power keep used to produce the fluid pressure to minimize the damage of the power. This invention is composed of the ...
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WO/2006/099489A1 |
The present invention includes hydraulic systems designed to allow the selection of a source of pressurized hydraulic fluid to lift a load. In one embodiment, a hydraulic system in accordance with the present invention comprises a hydrau...
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WO/2006/092161A1 |
The invention relates to an expulsion device which is actuated by a pressure medium and which is used to expel objects or liquid materials from a reservoir by means of a drive piston which is impinged upon by a pressure medium, comprisin...
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WO/2006/084748A1 |
Disclosed is a tank for pressurized liquid, comprising a multitude of individual elements in a common receptacle. Said elements are surrounded by the liquid and reduce their volume when the liquid pressure rises while increasing their vo...
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WO/2006/081745A1 |
The present invention relates to a hydraulic auxiliary system with an accumulator increasing flow for a concrete pump. The system includes a connecting oil path with an inlet point P and an outlet point B. A check valve locates between t...
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WO/2006/081744A1 |
The present invention relates to a hydraulic auxiliary system with an accumulator increasing flow for a concrete pump. The system includes a connecting oil path with an inlet point P and an outlet point B. A check valve locates between t...
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WO/2006/070043A1 |
The invention relates to a system for controlling a mechanical arm, comprising an arm (1) which is articulated with only one degree of freedom. The assembly also includes two cylinders (2 and 3) which are solidly connected to one another...
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WO/2006/066760A1 |
The invention relates to a hydraulic drive, comprising a hydraulic cylinder (1), divided into a first operating pressure chamber (4) and a second operating pressure chamber (5), by an operating piston (3). The hydraulic drive further com...
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WO/2006/058756A1 |
The invention relates to a device for converting pressure into a rotary movement or torque, and vice versa, for converting torque into pressure. Said device comprises a stator (1) and a rotor (2). The stator (1) is provided with a circum...
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WO/2006/056256A2 |
The invention relates to a hydraulic unit (2) for providing a pressurized hydraulic fluid at an outlet (36, 36A, B), which comprises an electric motor (14) and a pump (16) operated by said motor for generating pressure. A reservoir (5) h...
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WO/2006/050905A1 |
The invention relates to a ventilation device (1) for tanks (2), especially in utility vehicles, that can be filled with a hydraulic liquid and comprise closed hydraulic systems. Said ventilation device contains at least one membrane (34...
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WO/2006/040546A1 |
The pressure vessel (1) for liquid comprises a body (10) containing a substantially non-elastic membrane (22) which divides the body into a liquid chamber (16) for receiving liquid under pressure from a source and a gas chamber (20) for ...
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WO/2006/035298A1 |
A variable volume container (30) is provided that includes a flexible tube (32) having a wall (34) that defines a variable volume chamber (36). The tube wall (34) includes a pair of generally curved end wall portions (38) and a pair of g...
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WO/2006/027034A1 |
The invention relates to a hydraulic accumulator, especially a piston accumulator, comprising an accumulator housing (10) and a separating piston that can be longitudinally displaced in the accumulator housing (10) and divides two workin...
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WO/2006/022031A1 |
A hydraulic lift structure for enhancing hydraulic oil supply/discharge efficiency while preventing failure of a hydraulic cylinder or the like. In a hydraulic lift structure (100) wherein a hydraulic cylinder case (51) internally provid...
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WO/2006/005497A1 |
The invention relates to a hydraulic control arrangement for damping wagging vibrations. During operation, a hydraulic cylinder (2, 4) of a lifting item of equipment can be connected to a hydraulic accumulator via a damping valve arrange...
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WO/2005/124162A1 |
The invention relates to a modular unit, comprising at least one filter (10), pump (12) and cooling (14) unit which are fluidically connected to each other by means of a connection module (16) and which can be connected to a tank unit (1...
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WO/2005/118252A1 |
An actuator is disclosed, in particular, for a locking unit on an injection compression machine, comprising a hydraulic force translator (2), with two piston units (20, 38) moving relative to each other with different effective areas. Th...
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WO/2005/118253A1 |
The invention relates to an ejector or slide system (1), especially for an injection molding machine or a like machine used in plastics processing. Said system comprises at least one ejector or slide which can be displaced from a withdra...
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WO/2005/106255A1 |
The invention relates to a hydraulic accumulator with an accumulator housing provided in the form of a tube (1), inside of which a separating element, preferably a separating piston (9), which can be displaced in the axial direction (7) ...
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WO/2005/103502A1 |
The invention relates to a method for controlling an automotive hydraulic pump, wherein the hydraulic pump is activated to increase the pressure in a hydraulic accumulator associated therewith once the pressure falls below a predetermine...
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WO/2005/087444A1 |
A hydraulic breaker hammer comprises a housing (10) with a longitudinal bore (12), a cylinder sleeve (14), and a cylinder sleeve (14) engaging rear end cover (16), a hammer piston (15) reciprocally powered in the cylinder sleeve (14) for...
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WO/2005/088137A1 |
A hydraulic service module (44) is provided for a hydraulic fluid system, which includes a fluid reservoir for storing an appropriate amount of a hydraulic fluid. The hydraulic service module comprises an outer casing (46) defining an en...
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WO/2005/081780A2 |
The present invention is directed to an electric-hydraulic power unit. In one illustrative embodiment, the power unit comprises a body having a movable pressure barrier positioned therein, the movable pressure barrier defining first and ...
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WO/2005/078249A1 |
The invention relates to a reservoir for an exhaust aftertreatment medium of an exhaust aftertreatment device. The reservoir can be used for vehicles having diesel combustion engines. The reservoir has a holding space for the exhaust aft...
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WO/2005/073564A1 |
The invention relates to a pressure accumulator, especially a pulsation damper, which comprises an accumulator housing (10) and a piston element (28) disposed therein. A bellows-type separative element (30) is supported on the piston par...
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WO/2005/068849A1 |
A pressurized hydraulic fluid system includes a charge pump (16), a hydraulic motor (24) drivingly coupled to the charge pump, and a main hydraulic unit (12) adapted to function as a pump to drive the hydraulic motor. The charge pump (16...
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WO/2005/068848A1 |
The invention relates to a piston-type accumulator comprising a separating piston (24), which can be axially displaced inside an accumulator housing (10) and which separates two spaces from one another inside the accumulator housing (10)...
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WO/2005/061904A1 |
A pressure vessel assembly for a pressurized fluid system, comprises an enclosed outer casing, at least one internal tube extending within the casing, at least one fluid accumulator disposed within the at least one internal tube, and at ...
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WO/2005/052380A1 |
The invention relates to a hydraulic control system for mobile equipment, for example for a backhoe loader or a wheel loader. The invention is characterized in that a working tool of the equipment is actuated by means of a hydraulic cyli...
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WO/2005/051633A1 |
Disclosed is an injection unit (1) for an injection molding machine, comprising a screw (4) that is driven by means of a spindle drive (18). The spindle drive (18) is driven via an electric motor (6). Additionally, a force that acts in a...
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WO/2005/052381A1 |
An accumulator where a pressure sealed chamber and a pressure flow-in chamber are formed by an operation member including a metallic bellows, the operation member being provided in a housing constituted of a gas end cover and a bottomed ...
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WO/2005/047082A2 |
A secondary reservoir (210) for apower steering system includes a container (205) having an inside volume configured to hold a fluid, a cover (290) attached to the container, a float (230) assuming a height within the container indicativ...
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WO/2005/046955A2 |
The invention relates to an injection unit (1) for injection molding machines, which comprises an electric motor (30) for the controlled application of nozzles and displacement of the unit. Two parallel hydraulic cylinders (11, 11') are ...
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WO/2005/031171A1 |
A metallic bellows type accumulator (1) capable of suppressing the occurrence of rattling of a volume controlling spacer (22) installed in the housing (2) of the accumulator (1) due to aged deterioration and heat contraction to prevent n...
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WO/2005/028878A1 |
The invention relates to a construction-kit system comprising at least one primary-valve block (10), provided with at least two groups of connection lines (12, 14), which are all interconnected at one point (16) via a connection line of ...
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WO/2005/024244A1 |
The invention relates to a device for damping water hammers in hydraulic accumulators, in particular in piston accumulators, which is embodied in the form of the accumulator component which operates as a throttle on a fluid flow and is i...
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