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Patent Searching and Data


Matches 401 - 450 out of 7,915

Document Document Title
WO/2012/095577A1
The invention relates to a system for accumulating hydraulic pressure, including at least two basic pressure accumulators (2) which are connected together and each of which comprise a connection opening (4) arranged along a main axis (A)...  
WO/2012/095271A1
The invention relates to a hydraulic accumulator system comprising a high-pressure accumulator (4), a low-pressure accumulator (5) and at least one hydrostat (6). In order to reduce an undesired leakage during the operation of the hydrau...  
WO/2012/091644A1
The invention is related to a hydraulic system and a method for reducing the amount of hydraulic fluid that could accumulate by condensation in a high pressure accumulator in the hydraulic system. The hydraulic system incorporates a hydr...  
WO/2012/079813A1
The invention relates to a pulsation damper (10) of a vehicle braking system, having a connection (14) for supplying and discharging fluid into a damper chamber (12), wherein said pulsation damper is characterised according to the invent...  
WO/2012/076436A1
The invention relates to a hydraulic accumulator device in the form of a membrane accumulator, comprising a membrane (16) which separates a pneumatic volume from a hydraulic volume. In order to improve said hydraulic accumulator device w...  
WO/2012/076459A1
The invention relates to a bladder accumulator with a housing (4) in which a bladder (5) is arranged. In order to provide a bladder accumulator which is constructed in a simple manner and can be produced cost-effectively, the bladder (5)...  
WO/2012/078048A1
The invention relates to a method of condition-monitoring hydraulic accumulators (4A/B). The gas content of the accumulators (4A, 4B) is monitored by the gas volume being calculated on the basis of the weight and working pressure of the ...  
WO/2012/075441A1
A regenerative hydraulic pump that allows for efficient operation of a hydraulic system under high pressure/low flow conditions that comprises a crankshaft providing a rotating inertial mass, and a regenerative hydraulic pump cylinder th...  
WO/2012/073110A2
A hydraulic fan circuit (10) is disclosed. The hydraulic fan circuit may have a primary pump (14), a high-pressure passage (26) fluidly connected to the primary pump, and a low-pressure passage (24) fluidly connected to the primary pump....  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2011/156390A3
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/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 ...  
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 ...  
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 ...  
WO/2011/149949A3
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/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...  
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...  
WO/2011/135522A3
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/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 ...  
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 ...  
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...  
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...  
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...  
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...  
WO/2011/127894A3
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/2011/152431A1
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...  
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...  
WO/2011/116285A3
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/2011/137944A1
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...  
WO/2011/074781A3
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/2011/134646A1
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...  
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 ...  
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...  
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...  
WO/2011/088872A8
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/2011/116914A1
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...  
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 ...  
WO/2011/048213A3
A system to pressurize barrier fluid of a submersible installation to provide a differential pressure between the ambient pressure surrounding the submersible installation and the pressure of the barrier fluid internally in the submersib...  
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...  
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...  
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...  
WO/2010/127660A3
The present invention relates to a hydraulic accumulator (1) for a hydraulic system containing a pressurized fluid, comprising at least one pressure chamber (13) which is formed between two opposing displaceable delimiting surfaces, each...  
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...  
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 ...  
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 ...  

Matches 401 - 450 out of 7,915