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Patent Searching and Data


Matches 451 - 500 out of 7,924

Document Document Title
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 ...  
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...  
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...  
WO/2011/061217A3
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 housing having a housing interior; a displacement element arranged in ...  
WO/2011/061216A3
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...  
WO/2010/105155A3
Generally, the invention relates to power generation and energy storage. In particular, to systems and methods for providing constant power from hydraulic inputs having widely-varying pressures. More particularly, the invention relates t...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2011/047776A3
The invention relates to a device for releasing in a pulsed manner a fluid amount (3) that can be stored in an accumulator housing (2), in particular for carrying out a start-stop function in automatic transmissions, comprising a piston ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2011/047776A2
The invention relates to a device for releasing in a pulsed manner a fluid amount (3) that can be stored in an accumulator housing (2), in particular for carrying out a start-stop function in automatic transmissions, comprising a piston ...  
WO/2011/045369A1
The invention relates to a volume accumulator (15), comprising a guide housing (33) and a separating element (34), wherein the separating element (34) is slidably mounted on an inner lateral face of the guide housing (33). According to t...  
WO/2011/044968A2
The invention relates to a hydropneumatic pressure accumulator, comprising a movable separating element arranged in an accumulator housing (1), which separating element separates a first working chamber, preferably a gas chamber (7), fro...  
WO/2011/042108A1
A low-pressure supply tank, having a tank housing (1) which forms a closed fluid supply chamber (7) with connections (9 and 11) for fluid inflow and fluid outflow, and with at least one equalizing element (13) which is situated within th...  
WO/2011/044042A1
An expandable accumulator and reservoir assembly includes a reservoir defining an interior chamber containing working fluid therein and an expandable accumulator. The expandable accumulator includes an inner layer and an outer layer at l...  
WO/2011/038706A1
The invention relates to a hydraulic control system, comprising a pressure accumulator (4), which is filled by means of an accumulator charging valve (16) using an electrically driven pump (10). The accumulator charging valve is connecte...  
WO/2011/038997A1
The aim of the invention is to design a compact and light-weight hydraulic accumulator arrangement (1) of a hydraulic brake, comprising a high-pressure storage chamber (3), a medium-pressure storage chamber (4), and an ambient-pressure s...  
WO/2011/023747A1
The invention provides a hydropneumatic accumulator for storage and delivery of hydraulic energy, comprising a cylindrical accumulator chamber (1,2) inside a wall part (3) and one or two end sections, a piston (4) arranged in the accumul...  
WO/2011/022052A2
This invention relates to a Compressed Air Turbine-Generator, or CAT-G that will enable the ability to manage energy gathered from ecologically friendly sources, such as solar and wind power. Compressed Air Energy Storage, (C.A.E.S.), is...  
WO/2011/012370A2
The invention relates to a device (11) for the variable adjusting of the control timing of gas exchange valves (9, 10) of an internal combustion engine (1) with a drive element (13), an output element (14), at least one pressure chamber ...  
WO/2011/009664A1
Method for operating a pneumatic system comprising at least one pneumatic cylinder, the method comprising: supplying a first gas under pressure to a pneumatic cylinder for a first stroke, wherein the first stroke is a working stroke of s...  
WO/2010/106226A3
The present invention relates to a hydraulic actuator arrangement (10), comprising a hydraulic actuator (12, 15, 55, 56) and a control device (14) to control the flow of hydraulic medium to and/or from the hydraulic actuator. The hydraul...  
WO/2010/128222A3
The invention relates to a system for storing energy, in particular mechanical energy, comprising a series of containers (14, 15, 16) inside an insulated chamber (11), a medium (10) for storing thermal energy, a tank (13) containing a hy...  
WO/2011/002552A1
Methods and apparatus to charge accumulators are described An example system to charge an accumulator apparatus (100) includes a piston (104) disposed within a housing (102) to define a first chamber adjacent a first side (106) of the pi...  
WO/2010/140996A1
A sealed hydraulic tank system for a mining shovel (10) includes an upper tank (68) and a lower tank (70). An air bladder (69) system is coupled to the upper tank to exchange air between the tank system and the bladder. The tanks include...  
WO/2010/136254A1
A method is described for monitoring the function of a hydraulic system of a machine, in particular a machine for producing a fibrous material web, such as a paper or cardboard machine. In order to control work fluid pressures, the hydra...  
WO/2010/136273A1
The invention relates to a hydraulic system for a paper or cardboard making machine, comprising at least one hydraulic actuator (3) and at least one accumulator (11, 12) for storing a hydraulic working fluid under pressure, at least one ...  
WO/2010/134840A1
A device for fluid power recuperation comprises a hydropneumatic accumulator (1) communicating via its gas port (7) with a gas receiver (8) which is made in the form of an aggregate of cells (9) communicating with the gas port of the acc...  
WO/2010/133826A1
A bladder (4) accumulator comprises a fluid port assembly (12), for communicating between a main housing (2) of the accumulator and a connection arrangement of the accumulator. An isolation valve arrangement (24, 26) is located within th...  

Matches 451 - 500 out of 7,924