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WO/2015/045891A1 |
A control system of a hybrid construction machine is provided with a regeneration motor that rotates through a working fluid introduced from a turning circuit, a pressure detector that detects turning pressure of the turning motor or bra...
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WO/2015/043747A1 |
According to a method for the combined pump water pressure-compressed air energy storage at a constant turbine water pressure, the energy to be stored is used to pump a liquid medium, especially water, into a pressure-tight, air-tight ho...
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WO/2015/040132A1 |
The invention relates to a hydraulically controlled device comprising a double-acting cylinder (VR1) applying a force in one direction to an external element in one operational phase, and receiving a force in an opposite direction in ano...
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WO/2015/041975A1 |
A cyclone reservoir for separation of an aerated portion of a hydraulic fluid and a related method of making the cyclone reservoir. The cyclone reservoir includes a lower chamber having a generally cylindrical side wall, a return port, a...
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WO/2015/039957A1 |
An implement carrier comprises an implement hydraulic system (44) adapted to supply hydraulic fluid to an implement (12). The implement hydraulic system (44) comprises an implement circuit (106) via which hydraulic fluid may be pumped to...
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WO/2015/038961A1 |
A magneto-cryogenic valve (100), comprising:a connector (150) for connecting the magneto-cryogenic valve to a conduit through which a fluid flows; a heat transfer system (130); a first injector device (110) for injecting magnetically sus...
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WO/2015/036005A1 |
The hydraulic energy converter (4) can be connected to a hydraulic system. The converter (4) comprises a manifold device (1) for controlling hydraulic fluid flow, a controller (3) for controlling the manifold device (1), and at least one...
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WO/2015/032236A1 |
Disclosed are a reach stacker potential energy recovery system and a reach stacker, said reach stacker potential energy recovery system comprising a frame body (1), a boom base section (2) articulated to the frame body (1), and a flexibl...
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WO/2015/027391A1 |
A fluid pressurizer with filtering function comprises an inlet part (1), a first pressurization part (2), a filtering part (3), a second pressurization part (4) and an outlet part (5). After the fluid flows through the fluid pressurizer ...
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WO/2015/028534A1 |
The invention relates to a method and to a device for regenerating the drying agent of an adsorption air dryer connected downstream of a compressor, which drying agent is accommodated in at least one drying container, through which dryin...
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WO/2015/031821A1 |
A hydraulic system (600) and method for reducing boom dynamics of a boom (30), while providing counter-balance valve protection, includes a hydraulic cylinder (110), first and second counter-balance valves (300, 400), and first and secon...
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WO/2015/028533A1 |
A method and device for the regeneration of an adsorption-type air dryer (4) having at least two desiccant-filled drying vessels (3a, 3b) connected in parallel with one another, wherein a humid compressed-air stream generated by a compre...
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WO/2015/026558A1 |
A hydraulic power unit comprising a rear face and a front face spaced from one another includes an air inlet configured to receive air into the unit, and an air outlet configured to expel the air received into the unit. The hydraulic pow...
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WO/2015/025602A1 |
Provided is a working vehicle configured so that, when starting up the working vehicle, the temperature of operating oil for a clutch can be increased without using a torque converter. A working vehicle is provided with a transmission, a...
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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...
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WO/2015/019594A1 |
An energy regeneration device (11) for construction machines, provided in a construction machine (15) and comprising a movable weight (16) movable in the vertical direction and a hydraulic circuit for force transmission. The hydraulic ci...
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WO/2015/019839A1 |
This shovel comprises a main pump (14), a hydraulic actuator (1A, 1B, 7, 8, 9, 21) that is driven by hydraulic fluid delivered by the main pump (14), and an accumulator (41) that accumulates the hydraulic fluid discharged from the hydrau...
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WO/2015/017334A1 |
In order to avoid cavitation in a boom cylinder (108) head end (152) at the beginning of a dig cycle, fluid from an alternate source (148, 188) is supplied to the head end (152) before or in addition to fluid supplied by the main boom-up...
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WO/2015/017377A1 |
A vent system (10) for an enclosure (16) containing a liquid, the system comprising a vent module (12) including a housing (24) defining a passageway (30), a membrane (20) maintained in the passageway, and a sorbent (22) maintained in th...
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WO/2015/012340A1 |
The present invention improves energy regeneration efficiency by allowing the actuator oil paths and the regenerative hydraulic motor to communicate with little pressure loss during regeneration without affecting the operation of the hyd...
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WO/2015/004982A1 |
This hydraulic circuit (C) that controls a continuously variable transmission is provided with: a lubrication line (13) to which a lubrication pump (11) is provided and that supplies oil (OL) from an oil tank (3) to a lubrication subject...
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WO/2014/209295A1 |
Devices having programmable flexibility are disclosed, as well as methods for their preparation and operation. A device may include a plurality of flexible hollow tubes filled with a magnetorheological fluid, a plurality of permanent mag...
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WO/2014/197900A1 |
A vented pressurized gas-powered actuator (10) includes a housing (12) having a central longitudinal axis (L1) and an inner surface (12w). The inner surface (12w) has a constant radius between first and second planes (s1, s2) extending p...
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WO/2014/195040A1 |
A hydraulic system (1) is provided comprising a group of at least two valves (2a, 2b, 2c) connected to a bus (8), each of said valves (2a, 2b, 2c) comprising a primary memory (9a, 9b, 9c) for storing a set of parameters of the valve (2a,...
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WO/2014/197895A1 |
A vented pressurized gas-powered actuator (10) includes a housing (12) having a central longitudinal axis (L1 ) and an inner surface (12w). The inner surface (12w) has a constant radius between first and second planes (s1, s2) extending ...
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WO/2014/195041A1 |
A control arrangement (5) of a hydraulic system (1) is provided, said control arrangement (5) comprising a supply port arrangement having a high pressure port (6) and a low pressure port (7), a working port arrangement having two working...
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WO/2014/193701A1 |
A bleed valve assembly includes a control assembly having a fluid inlet, a fluid outlet and a passageway in fluid communication with the fluid inlet and the fluid outlet. A fluid inlet air pressure is greater than a fluid outlet air pres...
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WO/2014/193829A1 |
An apparatus for driving a valve pin in an injection molding system, comprising: an actuator having a piston disposed within a master chamber, the piston being slidable upstream and downstream within the master chamber having a seal that...
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WO/2014/189062A1 |
Provided is a construction machine capable of more efficiently utilizing the energy of return operating oil from a hydraulic actuator. The present invention is provided with: an engine (11); a hydraulic pump (13) which is driven by the e...
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WO/2014/188491A1 |
When a winch control valve is in a closed state, a pilot pressure control unit supplies hydraulic oil to the pilot port of a warm-up control valve so that the warm-up control valve is in an open state. When the winch control valve is in ...
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WO/2014/184629A1 |
Device (100) for the storage and production of electric power comprising: at least one energy source, preferably a source (400) of renewable energy; at least one pump (200), supplied by said energy source (400), adapted to compress the a...
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WO/2014/183809A1 |
For generating pressure fluctuations (Δρ) in a fluid (8), the fluid is fed at a constant rate into the inlet (4) of the line (2), the line (2) is flowed through by the fluid (8) and the volume flow of the fluid (8) is throttled to vary...
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WO/2014/180092A1 |
A pressure-difference boost-type energy recycling apparatus based on a reverse osmosis system comprises: a two-position four-way solenoid valve (3), a first hydraulic cylinder (1), and a second hydraulic cylinder (2). The first hydraulic...
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WO/2014/176256A1 |
In conventional load-sense systems, there is a delay between a hydraulic function being impeded by an external force and further motion of the function. This is typically due to cavitation on the low pressure side of the pump. Electro-hy...
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WO/2014/175016A1 |
A hydraulic brake system is configured so that air in a back hydraulic control device, which is connected to a back chamber behind the pressurizing piston of a master cylinder, is capable of being vented while an air-containing hydraulic...
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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...
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WO/2014/162745A1 |
A drive control system (1) for a hydraulic shovel (2) is provided with a control device (50). The drive control device (50) is configured in such a manner that, when accelerating a rotatable body (5) to a target rotational speed, the dri...
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WO/2014/165560A2 |
A hydraulic fluid reservoir for de-aerating a hydraulic fluid received therein. The hydraulic fluid reservoir is of a type including two chambers separated by an intermediate baffle with a central opening connecting the chambers. In the ...
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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...
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WO/2014/152672A1 |
Systems and methods for controlling a fluid based engineering system are disclosed. The systems and methods may include a model processor for generating a model output, the model processor including a set state module for setting dynamic...
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WO/2014/146751A1 |
A compressed air maintenance unit (1) is proposed which has a connection element (7) which is provided with an air inlet connection (8) and an air outlet connection (9) and to which a multifunctional unit (14) is movably mounted, said mu...
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WO/2014/139613A1 |
A filter device, comprising at least one first connection (A1) to a hydraulic working circuit, with which a filter element (F1) is associated, and comprising at least one additional connection (A2), by means of which leakage oil amounts ...
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WO/2014/138998A1 |
A regulator apparatus for distributing a fluid may include a charging valve assembly and a flow multiplier assembly. In a recharge mode, a valve of the charging valve assembly is in an open position, and the fluid is received in a second...
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WO/2014/134441A1 |
A piezoelectric valve has a body with an input passage and an output passage each configured to connect to a fluid flow system, a flow control member movable with respect to the valve seat between a fully open position and a closed posit...
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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 ...
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WO/2014/130324A1 |
An energy recovery system (50) is disclosed for use with a hydraulic machine (10). The energy recovery system may have a tank (60), a pump (58) configured to draw fluid from the tank and pressurize the fluid, an actuator (28), and an act...
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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...
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WO/2014/119569A1 |
Provided is a pressure oil energy recovery device for an operating machine, wherein even if a high load is applied to a liquid pressure cylinder and pressure oil exceeding the maximum working pressure of the pressure oil energy recovery ...
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WO/2014/115645A1 |
Provided are a low-cost engine-assist device that can perform stable energy regeneration from an accumulator, and an industrial machine equipped with the engine-assist device. Directly coupled to an engine (6) are variable-capacity main ...
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WO/2014/115907A1 |
Disclosed are a device and a method for controlling a flow rate in construction machinery for stationery work for evenly leveling the ground by means of the weight of a boom, without supplying working oil to a hydraulic cylinder from a h...
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