Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 7,943

Document Document Title
WO/2013/097507A1
Disclosed are an oil line control apparatus (100) and engineering machinery. A first reversing valve (110) of the oil line control apparatus is connected with an actuating mechanism; a first control valve (160) is connected to the first ...  
WO/2013/093135A1
System for storing energy by means of the containment of fluids in a plurality of high-pressure receptacles, which are charged individually, in sequence, when there is energy available to be stored, said excess energy being used to compr...  
WO/2013/092970A1
The invention relates to a hydraulic accumulator device, comprising at least one housing (4), which has a gas volume (8) and a liquid volume (10), and comprising at least one connection (18) for gas or liquid. In order to homogenize the ...  
WO/2013/090698A1
In various embodiments, valve efficiency and reliability are enhanced via use of hydraulic or magnetic valve actuation, valves configured for increased actuation speed, and/or valves controlled to reduce collision forces during actuation.  
WO/2013/086880A1
Disclosed is an oil tank for an excavator, comprising an oil tank body (1), a suction oil filter assembly (3), a return oil filter assembly (4) and a first pre-pressed air filter (2), wherein the suction oil filter assembly (3) is locate...  
WO/2013/089382A1
The present invention pertains to an accumulator heat exchanger. The accumulator heat exchanger according to the present invention comprises: an accumulator housing; a metal heat exchanger having a cylindrical body mounted in the accumul...  
WO/2013/055156A4
The present invention relates to a hydraulic control device using a hydraulic actuator, provides a hydraulic control device using a hydraulic actuator, and comprises: a hydraulic actuator having a clearance pocket; an oil supply line and...  
WO/2012/039899A3
An accumulator assembly (10) comprises an accumulator cylinder (12) formed of a cylindrical, gas-impermeable shell (18) and a cylindrical gas-impermeable sleeve (20) disposed within and substantially concentric with the shell (18), An in...  
WO/2013/025416A3
A hydraulic system (10) adapted to recover inertial energy is disclosed. The hydraulic system includes a pump (22), a variable displacement pump/motor (28) having an input/output shaft (82), an accumulator (30), and a valve arrangement (...  
WO/2013/079151A1
The invention relates to a system for improving the energy efficiency in hydraulic systems, comprising at least one working cylinder (58) which, in an operating state, operates as a consumer of hydraulic energy and, in a different operat...  
WO/2011/012370A3
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 with a drive element (13), an output element (14), at least one pressure chamber (23)...  
WO/2013/079152A1
A hydraulic hybrid system for rotatory applications having an actuator (49, 91) in the form of a motor pump unit (91), which is coupled to a rotatory-operating device (94), such as a traction drive, and works as a consumer of hydraulic e...  
WO/2013/076721A1
Apparatus for a network of conduits distributing liquid that is coupled to a supply of liquid and to a network. At least one sensor is coupled in fluid communication with the network and derives a level of demand of liquid from the netwo...  
WO/2013/071985A1
The invention relates to a hydraulic accumulator, comprising a main body (2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i) having a first component (3a, 3b, 3c, 3d, 3e, 3f, 3g, 3h, 3i) and a second component (4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i) that ...  
WO/2013/064233A1
The invention relates to a hydraulic accumulator, comprising an accumulator housing (1), in which a bellows (21) having a selectable number of pleats (23) forms a mobile separation element between the gas side (25) and the fluid side (13...  
WO/2013/056835A1
The invention relates to a pressure accumulator which consists of at least one accumulator housing (403) with at least one connection (411) for a pressure medium (421), especially in the form of a fluid that can be accumulated in the acc...  
WO/2013/059773A1
A fluid flow control device includes a trim cartridge, a diaphragm assembly, and a control element. The trim cartridge defines a cartridge supply port and an upper planar surface. The cartridge supply port is disposed along a supply path...  
WO/2013/056836A1
The invention relates to a hydraulic accumulator in the form of a bellows accumulator, comprising an accumulator housing (1) in which the bellows (13) forms a movable separating element between a gas side (15) and a fluid side (11). Said...  
WO/2013/057558A1
An air bleed valve (50) having a housing with hydraulic fluid there in and a first acoustic wave sensor (57) mounted within the housing so as to be covered in the hydraulic fluid and a second acoustic wave sensor (56) mounted within the ...  
WO/2013/055156A1
The present invention relates to a hydraulic control device using a hydraulic actuator, provides a hydraulic control device using a hydraulic actuator, and comprises: a hydraulic actuator having a clearance pocket; an oil supply line and...  
WO/2013/054262A1
A hydraulic accumulator including an energy storage apparatus with a first piston face configured to reversibly compress an energy storage medium and a second piston face forming at least part of an inner surface of a corresponding secon...  
WO/2012/008867A3
A device for fluid power recuperation with reduced heat losses and increased efficiency of fluid power recuperation combined with better manufacturability and possibility of using off-the-shelf gas receivers (bottles). The device compris...  
WO/2011/044968A3
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/2013/046630A1
A hydraulic pressure unit (10) is provided with a power module (53) for generating heat when electrified. This power module (53) is positioned on the bottom surface of a recess (35) in contact with hydraulic fluid in a tank (30). Therefo...  
WO/2013/048285A1
The device for the recovery of hydraulic energy comprises at least one hydro-pneumatic accumulator, the body of which is provided with a fluid port connected to a fluid reservoir of the accumulator, said reservoir being separated by a mo...  
WO/2012/156615A3
The invention relates to a rocket-motor fuel supply system having a supply circuit (4) comprising a device for varying a volume of gas in the circuit (4) in order to eliminate the POGO effect. The invention also relates to a method for e...  
WO/2013/041493A1
An oil level control device in a main tank of a supply circuit, the supply circuit comprising: a main tank (4); a first pump (1) which, in aspiration, is connected to the main tank (4); a main hydraulic circuit (100), which is connected ...  
WO/2012/164196A3
The invention relates to a hydraulic system (15) comprising: an accumulator (32) in which a sliding piston (28) defines a chamber (22), known as a pressurised chamber, and said piston can be urged in order to pressurise a hydraulic fluid...  
WO/2013/038608A1
The present invention reliably cools a power conversion component. The hydraulic unit (10) is provided with: an oil tank (20) for retaining the oil (11); an oil pump (30) for circulating the oil (11) between the oil tank (20) and an obje...  
WO/2013/009467A3
A method for estimating a fluid charge of a hydraulic accumulator includes determining a first accumulator pressure at a first time with a pressure sensor, the first time during accumulator charging; determining a second accumulator pres...  
WO/2012/119121A4
A system for producing pressurized gas(es) from polar molecular liquids without the need to compress the gas(es) through outside mechanical forces or through the use of electrical energy or otherwise. The system incorporates an electroly...  
WO/2013/026521A1
A pressure vessel which is provided preferably for use in bladder accumulators (27), having a multi-part vessel body (1) composed of a tubular central part (3) which, at at least one of its two ends, has a termination region (5, 7), is c...  
WO/2013/025459A1
A hydraulic system including an accumulator and a hydraulic transformer is disclosed. The hydraulic transformer includes first and second variable displacement pump/motor units mounted on a rotatable shaft. The rotatable shaft has an end...  
WO/2013/023366A1
A brake valve assembly comprises an accumulator (52) for storing oil, a pressure detector for detecting pressure of the oil in the accumulator, a liquid charging valve (40a, 40b) arranged on a liquid charging oil passage of the accumulat...  
WO/2013/025416A2
A hydraulic system adapted to recover inertial energy is disclosed. The hydraulic system includes a pump, a variable displacement pump/motor having an input/output shaft, an accumulator, and a valve arrangement. The valve arrangement is ...  
WO/2012/166520A3
A hydraulic fluid system (150) for a mobile machine (100) includes a closed loop hydraulic fan circuit (10). The hydraulic fan circuit (10) includes a primary pump (14), a motor (18) fluidly connected to the primary pump (14), and a fan ...  
WO/2013/009467A2
A method for estimating a fluid charge of a hydraulic accumulator includes determining a first accumulator pressure at a first time with a pressure sensor, the first time during accumulator charging; determining a second accumulator pres...  
WO/2012/119121A3
A system for producing pressurized gas(es) from polar molecular liquids without the need to compress the gas(es) through outside mechanical forces or through the use of electrical energy or otherwise. The system incorporates an electroly...  
WO/2012/135000A3
A system (55) for controlling power in a machine (10) includes a controller (58) configured to compare at least one of the following: a combined requested power level of a sum of a requested hydraulic power level and a requested electric...  
WO/2012/171618A1
The invention relates to a device (1) for hydraulically actuating a shut-off element and/or a turbine control system in a hydroelectric power plant, and comprising at least one dual-action hydraulic cylinder (2) with a displaceable pisto...  
WO/2012/167868A1
The invention relates to a pressure vessel for receiving at least one fluid medium, and comprising a first shell (1) and a second shell (3) that at least partially encompasses said first shell (1), the first shell (1) having, at least at...  
WO/2012/164196A2
The invention relates to a hydraulic system (15) comprising: an accumulator (32) in which a sliding piston (28) defines a chamber (22), known as a pressurised chamber, and said piston can be urged in order to pressurise a hydraulic fluid...  
WO/2012/166520A2
A hydraulic fluid system (150) for a mobile machine (100) includes a closed loop hydraulic fan circuit (10). The hydraulic fan circuit (10) includes a primary pump (14), a motor (18) fluidly connected to the primary pump (14), and a fan ...  
WO/2012/159455A1
A hydraulic-pressure storage reservoir based on a pressure-storing liquid, and a hydraulic system, that utilize the high pressure and compressibility of the pressure-storing liquid to store hydraulic pressure by means of the hydraulic-pr...  
WO/2012/156615A2
The invention relates to the field of rocket motor fuel supply systems and, in particular, to a fuel supply system having a supply circuit (4) comprising a device for varying a volume of gas in the circuit (4) in order to eliminate the P...  
WO/2012/149994A1
The invention relates to a media separating device (1), in particular a hydraulic accumulator (3), having a movable separating means (5) for separating two media (7, 9) which are received in media chambers (11, 13) differing from each ot...  
WO/2012/150013A1
Sensor device (1) for detecting flowable media (3, 3'), and pressure device (5) and measuring method for operating the sensor device (1). A sensor device (1) for detecting flowable media (3, 3'), in particular in the form of fluids (9) w...  
WO/2012/146837A1
The invention relates to the automatic reloading of the gas space of a hydropneumatic accumulator. A means (20) for readjusting the load of the gas space (13) includes a pressurized gas source (22), connected to a loading valve (17) via ...  
WO/2012/148882A1
An accumulator (14) includes a non - cylindrical outer vessel (86) defining a gas -filled interior chamber (90), and an inner member (122) positioned in the gas-filled interior chamber. The inner member has a gas - receiving portion (166...  
WO/2012/143171A1
A piston accumulator (1) for the hydraulic or pneumatic storage of energy is described, wherein a separating element (5) can be displaced within an accumulator housing (3) along a displacement direction (7). In this case, a current posit...  

Matches 351 - 400 out of 7,943