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Patent Searching and Data


Matches 251 - 300 out of 7,904

Document Document Title
WO/2015/023699A1
A linear actuator 10 contains a housing 12 having a first end 14 and a second end 16. A hollow piston rod 23 is positioned within the housing 12 to slidably engage with an inner wail 25 of the housing 12. A sealed gas chamber 30 is forme...  
WO/2015/020934A2
A hydraulic system primary fluid reservoir in fluid communication with an auxiliary reservoir having a cartridge and an elastic fluid impervious chamber and apparatus for sealing the elastic fluid impervious chamber with the interior the...  
WO/2015/015873A1
The present invention suppresses damage to a metal bellows caused by changes in temperature and contact between adjacent intermediate slope sections, and furthermore reduces the length in the direction of extension/contraction when the m...  
WO/2015/015882A1
Provided is an accumulator that suppresses contaminants from entering a gap (S) between a housing and a gas valve that fits a concavity of the housing. The accumulator (100) is provided with: a housing (110) having an injection opening (...  
WO/2015/014367A1
Disclosed is a fluid control system for operation of a pitch control system for wind turbines of the type comprising a pitch system driving at least one rotor blade, by at least one hydraulic actuator (1, 41, 51, 61, 71, 91). A hydraulic...  
WO/2015/009512A2
A charging unit, system and method are provided. The system includes an activation unit and a charging unit. The activation unit includes a pump unit, a pressure circuit with an unloader valve to selectively permit fluid to pass from the...  
WO/2014/181074A3
A seal support system for use with a sealing device (3) employed to seal a piece of industrial equipment. The seal support system comprises a system vessel (1) for containing barrier fluid, a closed loop pipe work (7) to connect the afor...  
WO/2014/195987A1
Expansion tank (10) comprising - a body (11 ); - a membrane (12) fixed to said body (11) and defining a compartment (13) internal to said body (11) adapted to contain a liquid, said membrane (12) being adapted to deform in response to ch...  
WO/2014/191628A1
A method and an arrangement in a forest work unit, comprising storing power produced by a primary power source in an energy storing means in at least one first phase of a working cycle of the forest work unit by controlling a hydraulic p...  
WO/2014/186503A1
A high pressure separator/accumulator that uses dual bellows is provided. The dual bellows are not mechanically linked but rather operationally coupled through a fluid medium. The high pressure separators includes a housing defining a fi...  
WO/2014/184389A1
The present invention relates to a method for manufacturing a membrane accumulator, comprising the steps of providing a first sub-housing and a second sub-housing; mounting a membrane in the first and/or the second sub-housing; mounting ...  
WO/2014/180785A1
There is provided an energy accumulation and distribution system. An energy accumulator accumulates waste energy. A first energy interface is adapted for receiving first waste energy to be accumulated from a braking power reserve. A seco...  
WO/2014/175734A1
A system for use in a pressurized atmosphere or medium includes a shaft housing (56), a shaft (54) rotatably accommodated within the shaft housing (56), and a pressure compensator (2) for transferring a first compensation pressure (P1) v...  
WO/2014/169306A1
The invention relates to a fixing device for a hydraulic fluid air cooler with cooling elements through which hydraulic fluid flows, which elements are combined to form a parallelepiped assembly, and a box-shaped hydraulic fluid distribu...  
WO/2014/154455A1
The invention relates to a hydropneumatic accumulator having an accumulator housing (1), the interior of which, owing to a displaceable piston (11) or a flexible diaphragm, is composed of a liquid chamber (12) filled with a liquid and a ...  
WO/2014/155767A1
A hydraulic device (100) is configured so as to prevent the breakage of a single-directional filter section adapted for high-pressure oil. The hydraulic device (100) is provided with an accumulator (106) which supplies oil from an oil ta...  
WO/2014/153583A1
The invention relates to a device for storing energy, comprising a pressure accumulator (1) of constant volume, a machine (4) operable by means of electrical energy, and a turbo-machine (7), wherein an electrical generator (9) can be cou...  
WO/2014/132356A1
A working vehicle is provided with a working machine (3) and a hydraulic oil tank (8). The hydraulic oil tank (8) has a tank body (81) for containing hydraulic oil for driving the working machine (3), and has a strainer (86) installed wi...  
WO/2014/127955A1
The present invention relates to a hydraulic unit comprising a cylinder and a piston unit, wherein the piston unit extends at least in regions into a fluid chamber, which is enclosed by the cylinder, and can be displaced relative to the ...  
WO/2014/125703A1
Provided is an accumulator, which: is capable of reducing the pressure difference that is generated by differences in coefficients of thermal expansion when liquid trapped in the liquid chamber and a sealed gas undergo thermal expansion ...  
WO/2014/121910A1
The invention relates to a hydraulic multi-load system with an energy-efficient hydraulic circuit, comprising a hydraulic source (7) for a volumetric flow rate of a hydraulic medium and comprising at least two loads (1, 2, 3) with contro...  
WO/2014/120930A1
A hybrid swing drive system (1) of a hydraulic construction machine includes a variable displacement hydraulic swing pump (3) operable by a prime mover(2); a hydraulic swing motor (16) for performing a swing function of the machine; an a...  
WO/2014/118479A1
The invention concerns an hydraulic motor pump (1) having a fixed or variable cylinder capacity and comprising a central motor pump rotor (3) which accommodates an hydraulic cylinder (14), the rotor (3) being in sealed contact with an in...  
WO/2014/113409A1
The techniques herein relate to a pressure compensation system. The system includes a downhole tool and one or more pressure compensators positionable in the downhole tool. Each pressure compensator includes a first compensating fluid se...  
WO/2014/060705A3
The present invention relates to a device which comprises: a tubular body (2) and a first attachment means (6), a piston (30) provided with a rod (12) connected to a second attachment means (10), the piston (30) sliding inside the tubula...  
WO/2014/094671A1
An energy-storing electricity generation device comprises multiple guardrail units (4), a hydraulic motor (5) and a power generator (6), a third tube (43), and a liquid storage tank (7) that connect in sequence and form a circuit. When a...  
WO/2012/158781A3
In various embodiments, foam is compressed to store energy and/or expanded to recover energy.  
WO/2014/090400A1
A method for the production of hydraulic and electric energy from the rolling motion generated by vehicular and non-vehicular traffic, which envisages the establishment of a flow of fluid moving between at least two tanks, the first of w...  
WO/2014/093360A1
A mechanical input to a fluidic filter network can be actuated. The fluidic filter network can include respective branches fluidically coupling the mechanical input to respective deformable mechanical outputs. A mechanical displacement c...  
WO/2014/089709A1
The present disclosure is related to a method of pseudo- isothermal energy conversion between mechanical and pneumatic energy comprising the steps of: providing a gas/liquid unit wherein the gas/liquid unit may be a compression unit fill...  
WO/2014/090869A1
The invention relates to a method for filling the air springs of a vehicle and an associated pressure accumulator. In the method, a pressure accumulator is used which is provided with a valve integrated into the air connection of the pre...  
WO/2014/079528A1
The invention relates to a turbine valve actuator (100) for controlling at least one valve unit of a media-operated consumer unit, such as a steam or gas turbine, having an actuating part drive (102) which has a movable actuating part (1...  
WO/2014/080619A1
In a hydraulic drive system (1), hydraulic fluid from an actuator pump (11) is supplied to actuators (16 - 18) via an actuator drive circuit (13). In the hydraulic drive system (1), hydraulic fluid from a fan pump (61) is also supplied t...  
WO/2014/074032A1
The invention relates to a heavy road vehicle provided with a hybrid propulsion system (1) comprising a mechanical propulsion system (12) and a hydraulic propulsion system (13). The mechanical propulsion system (12) is connected to at le...  
WO/2014/069024A1
[Problem] To provide a circulation system for separating and removing bubbles from a liquid, whereby it is possible to remove the bubbles that form within the liquid effectively and efficiently. [Solution] A system provided with: a main ...  
WO/2014/067036A1
A derrick-type long-stroke hydraulic pumping unit, which comprises a rack (1), a counterweight basket (2), a sucker rod side oil cylinder (3), a counterweight basket side oil cylinder (4), a hydraulic station (5) and an oxbow component (...  
WO/2014/063766A1
The invention relates to a separating device for fluid media, which media can be received in a working housing (1), comprising a separating piston (3) which inside the working housing (1) separates two media compartments (5, 7) from one ...  
WO/2014/059480A1
A vehicle for line marking, having a steering mechanism (10) including: a directional wheel (5) that pivots about a steering shaft (12) coupled to a steering actuator (13); a control actuator (21) responsive to a steering wheel (22); and...  
WO/2014/060705A2
The present invention relates to a device which comprises: a tubular body (2) and a first attachment means (6), a piston (30) provided with a rod (12) connected to a second attachment means (10), the piston (30) sliding inside the tubula...  
WO/2014/059410A1
A combined accumulator and receiver tank of a refrigeration system is described. The tank may have an accumulator portion positioned above a receiver portion. An accumulator/receiver pipe (AR pipe) connects the accumulator portion to the...  
WO/2014/052095A2
A pneumatic nailer system for use with a compressor having a main storage tank, includes a first air hose connected at one end to the compressor, a supplemental air storage tank connected to an opposite end of the first hose, and connect...  
WO/2014/048840A1
The present invention concerns a system comprising a hydraulic circuit (C) comprising a hydraulic device (3) with retractable pistons, said system comprising an activation circuit for activating said hydraulic device (3) characterised in...  
WO/2014/037577A1
A fluid container, in particular a hydraulic reservoir (10) for a motor-pump unit, comprises a compensation chamber (16) that can contain a supply of fluid and air (20), and at least one return flow chamber into which a return flow of th...  
WO/2014/032757A1
The invention relates to a hydraulic energy recovery system (101) having an output drive unit (103) which can be actuated by a drive unit (102) and by which a hydraulic motor-pump unit (104) can be driven which, in at least one energy fe...  
WO/2014/033114A1
A replaceable antenna assembly (1) for use with a piston accumulator (2) configured for supplying fluid to a hydraulic cylinder, the antenna assembly (1) comprises; -a hollow manifold (3) for flow of fluid, and -an antenna (4) connected ...  
WO/2014/035647A1
Fluid delivery system comprising a syringe-like injector (332) for injecting a fluid through a delivery catheter (334), the system comprising a fluid dampening chamber or fluid accumulator (330a, 330b) being connected between the injecto...  
WO/2014/036235A1
A hydraulic control system (50) is disclosed for use in a machine (10). The hydraulic control system may have a work tool (16), a motor (49) configured to swing the work tool, a tank (60), a pump (58) configured to draw fluid from the ta...  
WO/2014/036115A1
In accordance with the present invention a method is provided for recharging or topping-off refrigerant. The method comprises adding a second refrigerant to a refrigeration, air conditioning, heat pump or power cycle system containing HC...  
WO/2014/036232A1
A hydraulic control system (150) for a machine (10) is disclosed. The hydraulic control system may have a tank (64), a pump (53) configured to draw fluid from the tank and pressurize the fluid, an actuator (49), and a control valve (63) ...  
WO/2014/036229A1
A hydraulic control system (50) is disclosed for use with a machine (10). The hydraulic control system may have a tank (60), a pump (58), a swing motor (49), and at least one control valve (56) configured to control fluid flow between th...  

Matches 251 - 300 out of 7,904