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WO/2012/104046A1 |
The invention relates to a hydraulic actuating assembly for valves for controlling process fluid flows, comprising a valve that is operated by an actuator and that is pre-tensioned in the direction of a closing position. The actuator has...
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WO/2012/106415A1 |
A mesofluidic scale digital valve system is disclosed. The mesofluidic scale digital valve system includes a first mesofluidic scale valve having a valve body (502) including a bore, wherein the valve body is configured to cooperate with...
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WO/2012/106285A1 |
A mesofluidic valve including a cylindrical body (102) having a bore formed there though, the cylindrical body including an inlet port (104) disposed at a first end (200) and an outlet port (204) disposed distal to the inlet port and sub...
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WO/2012/104047A1 |
The invention relates to a hydraulic actuating assembly comprising a regulating valve that is designed with a safety actuator. The safety actuator can be triggered electrically and hydraulically. The invention also relates to an actuatin...
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WO/2012/102986A2 |
A pneumatic manifold for a braking system of a railway vehicle includes a first manifold section and a second manifold section, each having an interior surface thereon and a plurality of ports and passageways extending therethrough, and ...
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WO/2012/102488A2 |
The present invention pertains to a hydraulic system for a construction machine having an electronic hydraulic pump. More specifically, the hydraulic system temporarily drives the construction machine when the operation of the electronic...
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WO/2012/096526A2 |
The present invention relates to a method for controlling a hydraulic pump of a wheel loader, in which the flow rate of the hydraulic pump is reduced to improve the acceleration performance of the wheel loader when there is a request for...
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WO/2012/094991A1 |
The present invention relates to the technical field of the hydraulic circuit apparatus. Disclosed is an apparatus for improving excavating operation characteristic and grading work characteristic of an excavator comprises a solenoid val...
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WO/2012/094012A1 |
A fluid container usable with an image forming apparatus is disclosed. The fluid container includes a housing unit, a free-fluid chamber disposed in the housing unit and configured to store fluid, and a regulated chamber disposed in the ...
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WO/2012/093240A1 |
The present invention relates to a pressure regulating device (1), in particular a hand- or foot-operated hydraulic controller for a heavy construction machine, characterised in that it comprises an electrical or electronic means (20) fo...
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WO/2012/091184A1 |
An energy recycling system is disclosed. When a construction apparatus performs a combined operation of a boom down operation and an arm out operation, hydraulic energy returned in the boom down operation is recycled for the arm out oper...
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WO/2012/091194A1 |
The present invention relates to a holding valve that is used for a hydraulic circuit for controlling a working device actuator of construction equipment, and to a holding valve for construction equipment in which a double nut and a slee...
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WO/2012/091182A1 |
Disclosed is a hydraulic pump for construction machinery for controlling to inhibit one-way driving when compound-operating two-way driving and work devices, such as a boom, to enhance operation efficiency. The hydraulic system for the c...
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WO/2012/088892A1 |
Disclosed are a rotating valve and a rotating control loop using the same. The rotating valve comprises a main valve (1) and a control valve (2), the main valve comprises a main valve rod (1h), the control valve comprises a control valve...
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WO/2012/091187A1 |
Disclosed is a hydraulic control system for matching the drive speed of a boom up and a swing device according to the operation environment when compound-driving for manipulating boom and swing for excavation compensating error operation...
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WO/2012/091192A1 |
Disclosed is a method of controlling the flow rate of a hydraulic pump, which controls the discharge flow rate in proportion to a manipulated amount of a manipulation lever operated by a user even when the discharge pressure of the hydra...
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WO/2012/085416A1 |
The invention relates to a device having a casing (9), an electronic control circuit (14) for the device, produced on at least one support (15) fixed to the device, and a cover (40) intended to protect said electronic circuit (14), chara...
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WO/2012/085417A1 |
The invention relates to the production of electromechanical actuators and in particular the protection of the electronic control circuits of these actuators in harsh environments. For this purpose, the invention relates to a device comp...
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WO/2012/087012A2 |
The present invention relates to a hydraulic system for a construction machine which uses an electric hydraulic pump, and more particularly, to a hydraulic system including an emergency control unit for temporarily operating the construc...
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WO/2012/083577A1 |
A compressed air single-action actuator includes an actuator body (113), two ends of which are provided with a piston (102) respectively. A rack (103) is provided on the piston (102), and a center shaft (104) is provided between the two ...
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WO/2012/085460A1 |
The invention relates to compact actuators that can be used, for example, in a motor vehicle. According to the invention, the electromagnetic actuator (3) comprises a casing (9) having multiple surfaces (20, 21) and an electronic control...
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WO/2012/087081A2 |
The present invention relates to an oil pressure system for a wheel loader, and more particularly to a wheel loader which includes an oil pressure system having a confluent circuit and reduces the occurrence of impact during a loading wo...
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WO/2012/085411A1 |
The invention relates to the production of electromagnetic actuators and, in particular, the protection of said actuators in harsh environments. More specifically, the invention relates to a device including a case (9) and a covering (40...
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WO/2012/087571A1 |
A pressure protection valve (40) is provided which provides a fluid short circuit between a fluid pressure inlet (16) of a hydraulic tool (10) such as a hydraulic hammer (10) and a low pressure region (20) when the pressure at the fluid ...
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WO/2012/082357A2 |
A hydraulic system (76) for a machine (10) is disclosed. The hydraulic system may have a tank (78) configured to hold a supply of fluid, a pump (80) configured to draw fluid from the tank and pressurize the fluid, a first cylinder (34) o...
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WO/2012/082354A2 |
An independent metering valve (24) (IMV) assembly is disclosed that includes a metering stem (21) including an inlet (29). The IMV assembly also includes a hydro-mechanical control valve (37) in communication with a fluid source and the ...
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WO/2012/082355A2 |
A load lock valve (72) for a hydraulic system (44) is disclosed. The load lock valve may have a block (63) with a first bore (88), and a body (90) disposed within the first bore. The body may have a second bore (82), and first and second...
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WO/2012/076035A1 |
The invention relates to an electrofluidic control device (1), which has a modularly constructed control unit (2). The control unit (2) contains an electrical assembly (5) and a fluidic assembly (6), between which a diagnostic module (7)...
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WO/2012/078255A2 |
An integrated manifold system maximizes space for the circuit board while enabling efficient control of one or more pneumatic devices. The manifold system includes a manifold block, a solenoid valve attached to the manifold block, and a ...
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WO/2012/074145A1 |
Disclosed is a hydraulic pump control system for minimising flow loss by optimally limiting the discharge flow volume of the hydraulic pump when an upper swivel body is made to swivel abruptly. The hydraulic pump control system according...
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WO/2012/073110A2 |
A hydraulic fan circuit (10) is disclosed. The hydraulic fan circuit may have a primary pump (14), a high-pressure passage (26) fluidly connected to the primary pump, and a low-pressure passage (24) fluidly connected to the primary pump....
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WO/2012/071204A1 |
A hydraulic fan circuit (10) is disclosed. The hydraulic fan circuit may have a primary pump (14), a motor (18), a fan (20) connected to and driven by the motor, and a flywheel (28) connected to and driven by one of the motor and the fan...
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WO/2012/070703A1 |
Disclosed is a flow control valve for a construction machine, wherein a flow rate supplied to a hydraulic actuator is uniformly controlled by a flow rate control spool in a spool. According to the present invention, a flow control valve ...
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WO/2012/067276A1 |
Disclosed is a hydraulic cylinder with a variable cushion orifice, wherein the size of an orifice hole, which is provided for cushioning so as to reduce a shock generated at a stroke end of a cylinder rod, may be simply controlled from t...
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WO/2012/065692A1 |
The invention relates to a hydraulic valve device (1) having a fluid connection arrangement (3) extending at least partially in a valve housing (2) and containing connections such as a pressure medium supply connection (P), a return conn...
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WO/2012/064017A2 |
The present invention relates to an intensifier for discharging a constant flow. The intensifier of the present invention comprises a hydraulic pump, a hydraulic motor, a supply passage, first control means, and second control means. The...
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WO/2012/062493A1 |
The invention relates to a valve housing (31, 51) for a control valve of a camshaft adjuster, comprising a housing flange (33, 55) for fastening to a control unit, and a substantially cylindrical housing component (1, 53) for receiving a...
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WO/2012/057391A1 |
The present invention pertains to a flow path conversion valve, which comprises: a tubular body (3) having at least one or more inlets (13) for supplying fluid to the inside, two or more outlets (15, 16) for the selective crossover disch...
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WO/2012/055486A1 |
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/2012/053672A1 |
Disclosed is a hydraulic system for a construction machine, which makes it possible to adjust the geometric position of a working device comprising a boom and an arm by means of a single manipulation lever, thereby enabling a leveling/fl...
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WO/2012/054453A1 |
A pilot regulator system includes a housing having a fluid inflow port, a ball valve to regulate fluid flow among two fluid outflow ports, two regulator outputs each associated with one of said two fluid outflow ports, and a regulator se...
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WO/2012/048963A1 |
The invention relates to a method for producing a hydraulic device (17), in which a least one hydraulic duct (90) and at least one connection (122) are produced and/or connected hydraulically to each other, wherein the hydraulic device (...
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WO/2012/048179A2 |
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/2012/045547A1 |
Described is an apparatus (20) for controlling a hydraulic accumulator (10) of a hydraulic system (12), for example of a vehicle gearbox (14), having a valve device (26) by means of which an accumulator-side port (B) of the apparatus (20...
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WO/2012/045546A1 |
Described is an apparatus (20) for controlling a hydraulic accumulator (10) of a hydraulic system (12), for example of a vehicle gearbox (14), having a valve device by means of which an accumulator-side port (B) of the apparatus (20) can...
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WO/2012/037516A2 |
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/2012/033830A1 |
An apparatus comprises a body, a first poppet, and a second poppet. The body comprises a first fluid channel and a second fluid channel. The first fluid channel and the second fluid channel are operable to be fluidly isolated from each o...
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WO/2012/031325A1 |
A pneumatic control for activation and control of hydraulic and/or pneumatic equipment; said control combining activation and control of at least a first hydraulic device by rotation of a first control element and control of a second hyd...
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WO/2012/033721A2 |
A hydraulic system and earth-moving vehicle employing the hydraulic system are disclosed. The hydraulic system may include a first hydraulic cylinder and a second hydraulic cylinder, first and second hydraulic pumps and control valves to...
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WO/2012/033233A1 |
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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