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Matches 1 - 50 out of 1,996

Document Document Title
WO/2012/059360
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...  
WO/2012/052488
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...  
WO/2012/045547
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...  
WO/2012/045546
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...  
WO/2012/042845
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 ...  
WO/2012/038134
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 ...  
WO/2012/038133
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 ...  
WO/2012/031970
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...  
WO/2012/031670
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...  
WO/2012/012000
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 ...  
WO/2012/000617
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...  
WO/2012/000616
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 ...  
WO/2011/156390
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...  
WO/2011/156390
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...  
WO/2011/154075
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...  
WO/2011/154101
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...  
WO/2011/152431
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...  
WO/2011/149949
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...  
WO/2011/149949
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...  
WO/2011/137944
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...  
WO/2011/135522
An energy storage system that converts irregular power to controlled power by a hydraulic power converter that utilizes the irregular power to pump hydraulic fluid, stores at least a part of the pumped hydraulic fluid in a pressurized ac...  
WO/2011/134646
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...  
WO/2011/127894
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...  
WO/2011/127558
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 ...  
WO/2011/127894
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...  
WO/2011/123955
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...  
WO/2011/116914
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...  
WO/2011/116924
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 ...  
WO/2011/115523
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...  
WO/2011/116285
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...  
WO/2011/113523
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...  
WO/2011/116285
An accumulator with a bladder or a diaphragm separating a gas chamber from an incompressible liquid chamber, the accumulator having a pressure relief valve to release gas from the gas chamber in case of overpressure; a device for filling...  
WO/2011/096397
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...  
WO/2011/092041
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 ...  
WO/2011/091936
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 ...  
WO/2011/091836
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...  
WO/2011/088872
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...  
WO/2011/088872
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...  
WO/2011/084049
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...  
WO/2011/079851
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...  
WO/2011/079852
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...  
WO/2011/079890
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...  
WO/2011/076179
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...  
WO/2011/076319
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...  
WO/2011/073721
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...  
WO/2011/074781
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...  
WO/2011/074781
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...  
WO/2011/063815
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...  
WO/2011/063071
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...  
WO/2011/061216
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 first displacement element arranged...  

Matches 1 - 50 out of 1,996