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WO/2012/060331 |
[Problem] The present invention is configured in such a manner that, even if a filter disposed in an oil path for connecting a valve and a relief valve clogs, high-pressure oil in a portion of the oil path, the portion connecting the val...
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WO/2012/055486 |
The invention relates to a hydraulic control block comprising a plurality of valve segments (2, 2',2") lying one on top of another, wherein a control piston (14) is arranged in each valve segment (2, 2', 2") and controls the inflow of hy...
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WO/2012/055872 |
The invention relates to a hydraulically-driven plastics processing machine, particularly an injection moulding machine, with means being provided by means of which heat can be removed from and fed to the hydraulic oil. According to the ...
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WO/2012/047258 |
Disclosed embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conduct...
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WO/2012/047260 |
Disclosed embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conduct...
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WO/2012/047261 |
Disclosed embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conduct...
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WO/2012/047259 |
Disclosed embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conduct...
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WO/2012/048179 |
A fluid mover includes a first dynamic armature attached to a flexible member and a second dynamic armature attached to a second flexible member. The fluid mover also includes a housing and first and second flexible members being attache...
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WO/2012/047256 |
Disclosed embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conduct...
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WO/2012/041487 |
The invention relates to a fluid actuator (10) for influencing the flow along a flow surface by election of a fluid. By means of a like fluid actuator a continuous flow is distributed to at least two outlet openings (24a, 24b) in order t...
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WO/2012/035964 |
A hybrid hydraulic device is provided with: a hydraulic motor (1) for rotation which rotates a rotating body (8); a 6-port 3-position direction-switching valve (2) which switches the rotation direction of the rotating body (8); a hydraul...
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WO/2012/037516 |
A valve actuator control system for use with a valve actuator may include two pump assemblies, two control valve assemblies, two transducers, a fluid reservoir, and a controller assembly. The controller assembly may actuate the pump asse...
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WO/2012/034451 |
A piston lubrication system for concrete cylinders, comprising a hydraulic pump (1), main cylinders (2), concrete cylinders (3), cylinder pistons located within the main cylinders (4), concrete pistons located within the concrete cylinde...
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WO/2012/032254 |
The subject of the invention is a purge system (22) comprising an open passage (24) and, upstream, a control that allows the hydraulic fluid to flow towards said open passage (24) or prevents it from flowing thereto, said control having ...
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WO/2012/033064 |
On the basis of a drive torque of a hydraulic pump (3) which is detected by a torque sensor (34), in the case where an actuator drive torque is smaller than a switch torque τ0, a controller (35) closes an electromagnetic switch valve (1...
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WO/2012/033233 |
The present invention pertains to a hydraulic pressure control device of a variable displacement type hydraulic pump for construction equipment, wherein operable sections of operation systems are formed in a wide manner while the hydraul...
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WO/2012/030003 |
Disclosed is a hydraulic circuit that supplements and uses a hydraulic fluid of a hydraulic pump for a cooling fan and a hydraulic fluid of a main hydraulic pump as a hydraulic power unit of RCV to supply a signal pressure to a control v...
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WO/2012/029307 |
Disclosed are an object movement mechanism and object movement method capable of moving an object by thermal energy utilizing liquid-liquid crystal phase transition. The disclosed mechanism is provided with a substance (M) capable of ass...
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WO/2012/030495 |
A semi-closed hydraulic system for use with heavy equipment includes a double-acting cylinder, a reservoir, first and second electric motors, first and second electric pumps, a pressure sensor, and a controller. The double-acting cylinde...
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WO/2012/030495 |
A semi-closed hydraulic system for use with heavy equipment includes a double-acting cylinder, a reservoir, first and second electric motors, first and second electric pumps, a pressure sensor, and a controller. The double-acting cylinde...
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WO/2012/029308 |
Disclosed are an object movement mechanism and object movement method capable of moving an object with thermal energy by utilizing liquid-liquid crystal phase transition. The disclosed mechanism is provided with a substance (M) capable o...
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WO/2012/026633 |
Provided is a device for controlling construction equipment for controlling the spool of an MCV, which is bidirectionally controllable, to control working fluid which is supplied to a hydraulic actuator. According to the present inventio...
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WO/2012/023229 |
A device is provided to detect clogging of a filter (6) provided onto a construction machinery. This device can maintain a high detection accuracy under normal temperatures while ensuring the required frequency of detection even when col...
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WO/2012/023231 |
Disclosed is an electro-hydraulic drive system for a work machine, allowing efficient operation by means of oil pressure and electricity. Said drive system, which adjusts the flow rate of a hydraulic fluid by means of a control valve (6)...
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WO/2012/021101 |
The invention relates to a hydraulic system comprising a source of high pressure (A), a consumer (C) connectable to the source of high pressure (A) via a flow control valve (21 ), and a solenoid valve (22) arranged to control the flow co...
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WO/2012/015305 |
The invention relates to an improved compacting device for compacting a granular, loosely coherent mass, such as soil-moist cement, for producing end products such as tiles, kerbstones and the like. The compacting device comprises a vibr...
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WO/2012/015850 |
The present disclosure provides embodiments directed towards a system for the control of hydraulic output by a hydraulic power source. In one embodiment, a system is provided. The system includes a hydraulic supply system having a drive,...
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WO/2012/011819 |
A method and device for treatment of liquid under high pressure in a hydraulic installation (1) comprising at least a hydraulic cylinder (4) and an accumulator (6) where the method comprises: - connecting a treatment device (2) for liqui...
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WO/2012/003939 |
The invention relates to a hydraulic arrangement, comprising a hydraulic circuit, by means of which at least one hydraulic load (36, 38, 40) can be supplied with pressure medium, and comprising a cooling circuit (4), by means of which at...
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WO/2012/000481 |
The invention relates to a method for reducing the vibrations occurring in a hydraulic system (1) and to an arrangement for carrying out the method, in which method the occurring vibrations are determined, and the occurring vibrations ar...
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WO/2012/000477 |
The invention relates to a master cylinder (1) for a hydraulic system, in particular for motor vehicles, having a cylinder housing (2), a pressure chamber (5) which can be filled with pressure medium and is delimited on one side by a pis...
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WO/2012/000584 |
The device according to the invention for removing moisture from a hydraulic medium (2) with at least one gaseous drying medium (3) is characterized in that the drying medium (3) is air and/or some other working gas with corresponding mo...
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WO/2012/000481 |
The invention relates to a method for reducing the vibrations occurring in a hydraulic system and to an arrangement for carrying out the method, in which method the occurring vibrations are determined, and the occurring vibrations are su...
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WO/2012/002439 |
Provided is a control circuit for energy regeneration intended to conserve space and reduce cost in an energy recovery system. A control circuit (40) for energy regeneration is provided with an output port (38) for a main control valve (...
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WO/2011/162429 |
Disclosed is a hydraulic pump control system which is provided on construction machinery such as excavators. The hydraulic pump control system for construction machinery according to the present invention is adapted to be able to reduce ...
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WO/2011/158695 |
A time-delay valve is provided with: an open/close valve (7) which opens/closes the flow of air between a first port (P) to which compressed air is supplied and a second port (A) which is connected to the exterior of a casing; and a dela...
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WO/2011/153003 |
A hydraulic system and a method of actively damping oscillations during actuation of a hydraulic cylinder in a hydraulic system is disclosed. The hydraulic cylinder is actuated by energizing a motor that rotatably drives a pump. The pump...
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WO/2011/153003 |
A hydraulic system and a method of actively damping oscillations during actuation of a hydraulic cylinder in a hydraulic system is disclosed. The hydraulic cylinder is actuated by energizing a motor that rotatably drives a pump. The pump...
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WO/2011/149949 |
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...
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WO/2011/149949 |
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...
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WO/2011/145891 |
The present invention relates to an electromotive forklift truck, comprising: an electronic device which operates by means of a motor when a working machine is moving upward and which operates by means of a generator when the working mac...
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WO/2011/145432 |
A controller determines whether or not an operation valve which controls the supply of pressure fluid from a main pump to an actuator is in a neutral position, detects the input power of a hydraulic motor which rotates with the return oi...
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WO/2011/146145 |
In one embodiment, a microfluidic system includes a fluidic channel coupled at each end to a reservoir. A fluid actuator is located asymmetrically within the channel to create a long side and a short side of the channel and to generate a...
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WO/2011/145947 |
An apparatus (16) and method for recuperation of hydraulic energy from an actuator (6) where a first drive (22) of a first hydraulic machine (18) and a second drive (26) of a second hydraulic machine (20) are mechanically connected, and ...
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WO/2011/140972 |
A traveling hydraulic handling machine of energy-saving type includes a driving system and a control system both for hoisting and traveling. The hydraulic handling machine converts partly potential energy of a heavy object before being l...
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WO/2011/141423 |
The present invention relates to a method for operating a hybrid drive (30) and to such a hybrid drive. The hybrid drive comprises an electric motor (1), which is coupled to a hydraulic drive (2) having a double-acting hydraulic piston (...
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WO/2011/132673 |
Disclosed is a construction machine, wherein a boom assist cylinder (7A) hydraulically assists movement of a boom (4), and an arm assist cylinder (8A) hydraulically assists movement of an arm (5). An accumulator (16) stores in a compress...
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WO/2011/133072 |
The invention relates to a start/stop arrangement in a fluid system comprising a controllable pump unit (11) for supplying fluid pressure to at least one implement; a prime mover (14) connected to a transmission device arranged to drive ...
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WO/2011/133849 |
Disclosed are hydraulic pump systems (100; 200; 300) and pump suction charging systems (102; 202; 302) which reduce or eliminate cavitation in the systems, as well as methods (400) of operating the same and work machines (10) including t...
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WO/2011/123955 |
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...
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