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WO/2012/069211A1 |
A hydraulic actuating system is proposed, in particular for gas exchange valves of reciprocating-piston internal combustion engines, having a pressure source for the hydraulic medium and having at least one pressure accumulator which can...
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WO/2012/065240A1 |
A hybrid power source includes an electric power source, a first hydraulic pump powered by the electric power source, a hydrocarbon burning power source, and a second hydraulic pump powered by the hydrocarbon burning power source. A hydr...
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WO/2012/059360A1 |
The invention relates to a piston accumulator for inserting into a receiving bore (5) in a hydraulic unit, with an axially movable piston (3), a cover (1) closing the receiving bore (5) for the piston accumulator, and with a spring (2) a...
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WO/2012/052488A1 |
The invention relates to a hydraulic unit for a motor vehicle brake system which operates according to the feedback principle, for which purpose a low-pressure accumulator (26) is provided between the outlet valves (23) of the wheel brak...
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WO/2012/045547A1 |
Described is an apparatus (20) for controlling a hydraulic accumulator (10) of a hydraulic system (12), for example of a vehicle gearbox (14), having a valve device (26) by means of which an accumulator-side port (B) of the apparatus (20...
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WO/2012/045546A1 |
Described is an apparatus (20) for controlling a hydraulic accumulator (10) of a hydraulic system (12), for example of a vehicle gearbox (14), having a valve device by means of which an accumulator-side port (B) of the apparatus (20) can...
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WO/2012/042845A1 |
A drive shaft (12a) of a motor (12) disposed in an oil tank (20) pass through to the outside from a bottom plate (27), and a fan (30) is linked to the end of the drive shaft. A passage forming cover (35) that covers the outer surface of ...
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WO/2012/038134A1 |
Proposed is a hydraulic accumulator arrangement for a hydraulic supply of a transmission of a vehicle, having at least one accumulator charging valve (5) which serves for charging and discharging and which has connected thereto a volume ...
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WO/2012/038133A1 |
Proposed is a hydraulic accumulator arrangement for a hydraulic supply of a transmission of a vehicle, having at least one accumulator charging valve (5) which serves for charging and discharging and which has connected thereto a volume ...
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WO/2012/031670A1 |
The invention relates to an oil container, which has a substantially cylindrical housing, in which at least one conducting element is accommodated, by means of which an at least rudimentarily spiral flow channel for degasing oil is forme...
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WO/2012/031970A1 |
The invention relates to a hydrostatic drive for a motor vehicle, with a low-pressure hydraulic accumulator (111), a high-pressure hydraulic accumulator (104) and a pressure accumulator (105) which is connected downstream of the high-pre...
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WO/2012/012000A1 |
A system, in certain embodiments, includes a power supply. The power supply includes an ultracapacitor configured to be charged by a DC source. The power supply also includes a first switch that enables charging of the ultracapacitor by ...
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WO/2012/000616A1 |
A pressure store comprising sub-chambers (8, 54, 28) arranged in a housing (2), a first sub-chamber (8) arranged between the housing (2) and a flexible separating diaphragm (40), a second sub-chamber (54) arranged between the separating ...
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WO/2012/000617A1 |
A pressure store comprising at least two sub-chambers (8, 54, 28) arranged in a housing (2), a head part (12) which adjoins the second sub-chamber (54) and which forms the closure of the housing (2), wherein on the head part (12) there i...
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WO/2011/156390A2 |
A fluid storage tank including heat extraction arrangements is provided. The fluid storage tank includes a passive and an active heat exchanger. A fan draws ambient air through both the active and passive heat exchangers to dissipate hea...
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WO/2011/154075A1 |
The invention relates to a hydraulic system, in particular for a commercial vehicle such as a construction machine, comprising a hydraulic fluid pump (2) which supplies hydraulic fluid (3) to a consumer. Said system is characterised in t...
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WO/2011/154101A1 |
The invention relates to a hydraulic system, in particular for a commercial vehicle such as a construction machine, comprising a hydraulic fluid pump (2) which can be reversed in the delivery direction and the delivery volume of which ca...
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WO/2011/152431A1 |
Disclosed is a hydraulic oil tank equipped with a housing, a connecting member, and a filter; said housing comprising a main body, a holding chamber which is provided in the main body and holds hydraulic oil, and a first through hole whi...
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WO/2011/149949A2 |
A fluid storage tank including an entrained air removal mechanism is provided. The entrained air removal mechanism assists in consolidating small air bubbles entrained within the fluid into larger bubbles such that the air bubbles have s...
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WO/2011/137944A1 |
Disclosed is a drive having a hydrostatic energy store which, to convert kinetic energy into hydraulic energy, can be charged by means of a hydraulic machine, wherein the drive has a control device by means of which the preloading of the...
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WO/2011/134646A1 |
The invention relates to a dual piston accumulator which is provided, in particular, in a hydrostatic hybrid-drive system for vehicles to replace a high pressure hydro accumulator and a low pressure hydro accumulator, wherein, inside a s...
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WO/2011/127558A1 |
A modular energy accumulator system using compressed air. The system comprises a plurality of bladder modules disposed underwater for subjection to a hydrostatic ambient pressure. The plurality of bladder modules include a first bladder ...
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WO/2011/127894A2 |
A housing (100) for a hydraulic unit is characterized by a housing wall (101) which is closed on all sides and in which at least one inlet opening (110) and at least one fan (121), which can be operated independently of the hydraulic uni...
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WO/2011/123955A1 |
Disclosed herein is a system for storing and releasing energy, including a generator/motor; a hydraulic pump for pumping hydraulic fluid between first and second pump ports in response to force applied by the generator/motor and also cap...
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WO/2011/116914A1 |
The invention relates to an hydrostatic hybrid drive system for road vehicles, said system comprising a pump/motor unit (1) which is or can be connected to the powertrain of the vehicle, can be controlled by means of a control unit (5) i...
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WO/2011/116924A1 |
The invention relates to a fluid cooling device (1) as a structural unit having a drive motor (2) which drives a rotatable fan impeller (3), and having a storage tank (4) which has a filling opening (6) as well as a fill-level indicator ...
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WO/2011/115523A1 |
A method for converting heat into hydraulic energy comprises injecting a working fluid into a pneumohydraulic accumulator with contraction of the gas, subsequently expanding the gas with ejection of working fluid from another accumulator...
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WO/2011/116285A2 |
A hydropneumatic system is disclosed comprising a fluid vessel comprising an incompressible fluid portion and a compressible fluid portion to contain a compressible fluid at a first pressure, the compressible fluid portion being in press...
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WO/2011/113523A1 |
A safety apparatus for containers loaded by gas pressure, in particular the gas side (13) of hydropneumatic devices such as hydraulic accumulators (1), is characterized in that the safety apparatus has a connection device (19) that can b...
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WO/2011/096397A1 |
An oil tank is configured so that return oil (24) from a hydraulic circuit (1) is spread to the surface of oil (25), which is contained in a tank body (26), to prevent the return oil (24) from mixing with the oil (25) in the depth thereo...
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WO/2011/092041A1 |
The invention relates to a hydraulic accumulator (1) comprising: a pressure vessel (2); a tube (7) for accepting a first medium (18), said tube (7) being arranged inside the pressure vessel (2); an interstice (32) for accepting a second ...
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WO/2011/091936A1 |
The invention relates to a piston accumulator (1) comprising a pressure vessel (2), a cylinder (6) arranged within the pressure vessel (2), an interstice (25) formed between the pressure vessel (2) and the cylinder (6), and a separating ...
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WO/2011/091836A1 |
The invention relates to a hydraulic arrangement, comprising at least two seat valves (8, 10), which each have a valve element (24, 26) preloaded onto a valve seat (40, 42) by means of a valve spring (32, 34). A pressure-medium connectio...
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WO/2011/088872A1 |
The invention relates to a hydraulic accumulator, in particular a pulsation damper, comprising a metal bellows (25), which forms a movable separating element between a gas side (23) and a fluid side (27) in a housing (1) and has an end e...
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WO/2011/084049A1 |
Agricultural implement (1) with a fluid system to fold up a subframe (20), comprising - a conduit assembly, - a pump (110), - a reservoir (120), - an operable multiple position valve (130) with an inlet (P), an outlet (T) and a flow-thro...
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WO/2011/079851A1 |
A guiding device for metal bellows (19) which comprises a terminal element (35) on at least one bellows end (31), said terminal element being movable along the wall of a housing (1) during expansion and compression of the bellows (19), a...
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WO/2011/079890A1 |
A hydraulic accumulator, especially a pulsation damper, comprises a metal bellows (19) that has a terminal element (35) which can be displaced along the wall of a housing (1) at least on one bellows end (31) during expansion and compress...
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WO/2011/079852A1 |
A hydraulic accumulator, especially a bellows accumulator, wherein the bellows serving as the mobile separating element between the gas side (21) and the fluid side (23) comprises a closing element (35) that closes the interior of the be...
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WO/2011/076319A1 |
The invention relates to a hydraulic arrangement having at least one pressure unit (1) connected to a hydraulic machine (2) operable as a pump, and having a safety device for the pressure unit. The safety device comprises pressure sensor...
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WO/2011/076179A1 |
The invention relates to a hydraulic pressure accumulator for a hydraulic system containing a pressurized fluid, comprising at least one pressure chamber, which is formed between two opposite, movable bounding surfaces, which each compri...
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WO/2011/073721A1 |
The invention relates to a construction equipment machine of the loader type, of the type having at least a chassis (12), a traction arrangement (16, 18) and a loader arrangement, wherein the loader arrangement comprises a loader boom st...
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WO/2011/074781A2 |
A hydraulic system for construction machinery according to the present invention is applied to construction machinery having a steering unit (20) for controlling the steering of equipment, and a main control valve (30) for controlling th...
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WO/2011/063815A1 |
A pitch control system for wind turbine generator (WTG), in particular a hydraulic pitch control system, of the type being adapted to be mounted inside a WTG hub (10) for controlling the pitch of the WTG blades in relation to the directi...
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WO/2011/061218A1 |
The invention relates to a mounting assembly for installation in a cavity for mounting a pressure accumulator for supplying at least one consumer of an internal combustion engine with pressure. Said mounting assembly comprises: a displac...
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WO/2011/063071A1 |
An energy storage system (10) includes a reservoir (14) defining an interior chamber (66), a collapsible bladder (70) positioned within the interior chamber and having working fluid therein, a one-way valve (82) in fluid communication wi...
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WO/2011/061219A1 |
The invention relates to a switchable device for supplying at least one consumer of an internal combustion engine with pressure. The device comprises the following: a cavity formed inside a camshaft; a displacement element arranged in th...
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WO/2011/062514A1 |
The subject of the invention is a method and system for renewable energy store in temperature-pressure tank of energy and conversion to electrical energy. It makes possible conversion of variable stream of renewable energy, especially of...
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WO/2011/060879A1 |
Disclosed is a pivot drive of a mobile working machine having a primary drive, by which a secondary drive unit can be supplied with an operating medium via a pressure medium line. An operating medium reservoir is connected to the seconda...
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WO/2011/058590A1 |
Pressurization apparatus comprising a first aad a second tank (1, 2), each of which apt to contain air and a liquid and having an air side and a liquid side, the two tanks being used alternately for feeding two corresponding user station...
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WO/2011/047775A1 |
The invention relates to a device for the pulsed release of an amount of fluid (3) which can be stored in an accumulator housing (2), especially for allowing a start-stop function in automatic transmissions. Said device comprises a pisto...
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