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WO/2014/009977A1 |
A valve unit (1,100) for controlling the fluid supply of an actuator (2) of a mobile device (3) comprises a unit body (10), at least two valve seats (12) with an axial extension made in said unit body, and at least two valves (14a, b) ho...
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WO/2014/009543A1 |
The invention relates to a control device (16) that includes a valve (26) including a body (30) connected to the first chamber (22) of a cylinder (6) via a first hydraulic connection (32) and to the second chamber (24) of the cylinder (6...
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WO/2014/005396A1 |
A hydraulic system and excavator comprising same, the hydraulic system comprising a proportional directional valve assembly for controlling a first movement mechanism requiring speed regulation to work, and a switching directional valve ...
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WO/2014/004829A1 |
A rotary fluid pressure device includes a housing section defining an inlet port and a return port. A valving assembly is in fluid communication with the inlet port and the return port. A first fluid meter defines a plurality of volume c...
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WO/2014/004389A1 |
A fluid system includes a loading arm connected to a swivel joint. A counterbalance mechanism is connected between the loading arm and the swivel joint. An adjustment mechanism adjusts the counterbalance force applied by the counterbalan...
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WO/2013/192003A1 |
A solenoid valve is provided having a hydraulic body with an undulated expansion artery to prevent an exchange of fluid between an interior of the hydraulic body and the exterior of the solenoid valve.
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WO/2013/188035A1 |
A hydraulic system for an access arrangement having a platform configured for movement between a deployed position and a stowed position, the hydraulic system including: at least one hydraulic power unit configured to urge hydraulic flui...
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WO/2013/184539A1 |
A hydraulic system (50) includes a hydraulic actuator (30), a pump (54) configured to supply fluid to the hydraulic actuator (30), and a first accumulator (72) fluidly connected to the hydraulic actuator (30). The first accumulator (72) ...
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WO/2013/180428A1 |
The present invention relates to a pressure-control-type independent flow control hydraulic system for excavators, and the aim is to provide a pressure-control-type independent flow control hydraulic system for excavators wherein electro...
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WO/2013/174489A1 |
The invention relates to a valve (18) for a valve assembly (10) for regulating the pressure of a fluid guided in a hydraulic system for supplying pressure to at least one hydraulic consumer (12a, 12b), comprising a pilot control stage (4...
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WO/2013/176003A1 |
This control device is provided for use in industrial vehicles that are equipped with: a cargo loading platform; an actuator for driving the cargo loading platform; a hydraulic circuit that supplies hydraulic fluid to the actuator and th...
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WO/2013/176298A1 |
Disclosed is a hydraulic system for performing land preparation works by means of a simultaneous boom-up and arm-in operation. The hydraulic system according to the present invention includes: an arm cylinder and a boom cylinder that are...
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WO/2013/172520A1 |
A solenoid valve includes a valve configured to control a flow of a fluid; and a solenoid configured to operate the valve. The valve includes a pipe-like holder; a supply chamber, a control chamber and an exhaust chamber formed in the ho...
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WO/2013/171193A1 |
In order to facilitate side extraction of the roller holder cartridge (3) in a rolling mill stand (100), the strokes of the hydraulic capsules needed to take the pistons of the same clear from the trajectory traveled by the roller holder...
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WO/2013/168834A1 |
Disclosed is a hydraulic system which can convert a quantity of the fluid discharged from a pilot pump into a pilot signal pressure or return same directly to a hydraulic tank by operating a manipulation lever or not. The present inventi...
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WO/2013/168723A1 |
In a solenoid valve system (10, 10a, 100, 200, 300, 300a), a plurality of first through third solenoid valve units (14a to 14d, 16a to 16d, 18a to 18d) are divided into a plurality of first through third groups (14, 16, 18). In this case...
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WO/2013/160188A1 |
A method for manufacturing a fluid-leading component comprises the positioning of a base element (2) machined by means of a material-removing method with a planar upper face (8) in a mounting support and the multiple carrying out of proc...
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WO/2013/158079A1 |
In general, systems and methods for controlling work machine implements are described. In one embodiment, a system for controlling a hydraulically-powered third-party work machine implement includes a microcontroller-based conversion mod...
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WO/2013/157672A1 |
Disclosed is a hydraulic system provided with pressure compensating valves to improve controllability during combined operation of controlling both pivot motion and work equipment. A hydraulic system for construction equipment according ...
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WO/2013/143269A1 |
Disclosed is a valve bank (1), having a pressure oil port (1P), an oil returning port (1T), a first working oil port (1A), and a second working oil port (1B), and comprising a four-way reversing valve (11) and a two-position two-way reve...
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WO/2013/143799A1 |
The invention relates to a gas regulating unit (100) of modular construction, in particular for regulating the amount of gas to be supplied to a gas burner, and to a gas regulating valve (1) which, as a whole, is in the form of a module ...
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WO/2013/145819A1 |
A servo regulator which moves a servo piston on the basis of operating fluid pressures in two pressure chambers is provided with: a sleeve which is inserted in an insertion hole formed in a case and which has a supply port capable of sup...
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WO/2013/148474A1 |
Methods and apparatus for shared gas panel for supplying a process gas to a plurality of process modules are disclosed. The shared gas panel includes a plurality of mixing valves and at least two mixing manifolds for a given mixing valve...
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WO/2013/143520A1 |
The present invention relates to a valve for a hydraulically operated percussion mechanism having a main valve (2, 102) which is in the form of a rotary slide valve having a rotary slide. In order to reduce the installation space and the...
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WO/2013/126105A1 |
The improved servovalve broadly (20) includes: a body (21) having an axis of elongation (y-y), a portion of the body defining a cylinder (43) having an axis (x-x) substantially perpendicular to the body axis; a valve member (44) movably ...
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WO/2013/126312A1 |
A hydraulic system (16) is disclosed for use with a machine (10). The hydraulic system may have a tank (28), a motor (22) with a fluid inlet and a fluid outlet, and a pump (18) configured to draw fluid from the tank and discharge the flu...
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WO/2013/123792A1 |
A hydraulic control system comprising an oil cylinder (1). A small chamber of the oil cylinder is connected to a first oil line (11); a large chamber of the oil cylinder is connected to a second oil line (12). The first oil line (11) is ...
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WO/2013/122899A1 |
- A sealed anchoring dowel for a supporting material - The anchoring dowel adapted for being introduced in a supporting material, going therethrough, comprises an axial through-hole (6, 6.1) for receiving a member for fastening a part to...
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WO/2013/119240A1 |
A valve (210) comprising a motor (221) having an output shaft (231) orientated about a motor axis (230), a hydraulic valve having a drive spool (224) configured to move from a first position to a second posi¬ tion, a mechanical linkage ...
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WO/2013/113475A1 |
The invention relates to a valve (10), comprising a valve housing (12) provided with a fluid inlet (14), a fluid outlet (16), and a throttling device (18), said throttling device forming a permanent connection between the fluid inlet (14...
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WO/2013/111948A1 |
The present invention relates to a hydraulic pressure control device for the combined operation of an optional device and a front operation device of construction machinery. The hydraulic pressure control device comprises: a plurality of...
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WO/2013/111950A1 |
The present invention relates to a hydraulic pressure control device for a swing motor for construction machinery. The hydraulic pressure control device for a swing motor according to the present invention is controlled to open a bypass ...
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WO/2013/107466A1 |
The invention relates to a method for configuring a fluid control unit (2), having the steps: provision of information about the fluid control unit (2) and about a movement device (7) and about fluid control valves (3, 4, 5, 6) to a proc...
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WO/2013/106131A1 |
A method includes energizing a solenoid valve of a hydraulic control system according to a predetermined timing schedule to move a valve member of the solenoid valve. The solenoid valve is operatively connected to the switching component...
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WO/2013/106416A1 |
Quick connect fluid connectors are described that can be used to connect a first fluid system to a second fluid system for transferring fluids between the first and second fluid systems. The connectors include an eccentric mounted roller...
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WO/2013/102270A1 |
An electro/hydraulic circuit enabling two mechanical devices to shadow each other's movements without any direct mechanically-operative linkage between the devices. The two devices incorporate matching sets of hydraulic actuators for ind...
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WO/2013/100511A1 |
The present invention relates to a hydraulic system of a construction machine. A hydraulic system of a construction machine according to the present invention includes: an EPPRV (60, Electronic Proportional Pressure Reducing Valve) for c...
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WO/2013/100458A1 |
The present invention relates to a boom cylinder control circuit for a construction machine, comprising: a boom cylinder which includes an ascending-side chamber and a descending-side chamber; a boom control unit which provides the boom ...
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WO/2013/100457A1 |
The present invention relates to a system for reducing fuel consumption in an excavator, comprising: first and second hydraulic pumps which are driven by the power of an engine and respectively discharge first and second hydraulic oils; ...
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WO/2013/097918A1 |
The invention relates to a valve unit to be mounted at a mounting point (221a) on a connection plate (200), wherein the valve unit (100) can be actuated, particularly electrically, in order to control a fluid supply to a working channel ...
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WO/2013/100509A1 |
The present invention relates to a pressure overshooting prevention system for an electronic hydraulic pump in a hydraulic system. A flow command is added (+) and a discharge flow rate is subtracted (-) to calculate a displacement flow r...
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WO/2013/098800A1 |
A valve positioner system (12) with zero bleed at steady state is disclosed. The system has a pilot valve (30), the operation of which is controlled by an electronic circuit (34) powered from a signaling and power connection of a positio...
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WO/2013/097914A1 |
The invention relates to a connection plate having a connection plate mounting surface (221) which defines a plurality of mounting points (221a) arranged next to each other in a row, each to be fitted with a valve unit (100), and a conne...
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WO/2013/096096A1 |
A hydraulic system (200) includes a fluid source (202), a metering valve (212, 286), an actuator (289), and a power reclamation assembly (222). The metering valve (212, 286) includes a standby position, and an actuation position differen...
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WO/2013/094793A1 |
Disclosed is a drive merge control system for securing a driving speed by merging low RPM and a low-capacity pump discharge flow rate when driving a wheel-type excavator at a high speed. The present invention provides the drive merge con...
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WO/2013/091760A1 |
The invention relates to a directional poppet valve (10), comprising valve pistons (16-22) arranged in a valve housing (12) for controlling a plurality of fluid connections (A, B, P, T), wherein the positions of each of the valve pistons...
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WO/2013/095926A1 |
A hydraulic system (200, 300) includes a first hydraulic circuit (201, 301) and a second hydraulic circuit (208, 308). The first hydraulic circuit (201, 301) includes a hydraulic cylinder assembly (202, 302), a pressurized fluid source (...
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WO/2013/089284A1 |
Disclosed is a hydraulic system for enhancing controllability during a combination operation, in which an actuator, such as a boom, and a swing motion can be controlled simultaneously. The hydraulic system according to the present invent...
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WO/2013/087156A2 |
Disclosed is a pressure limiting valve arrangement having a pressure limiting valve, preferably a low-pressure limiting valve, having a valve body, onto the first control surface of which a system pressure to be limited is applied in the...
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WO/2013/090458A1 |
A hydraulic circuit for supplying reduced pressure includes a valve (6) having an inlet and an outlet, the valve having a first position defining an open fluid path and a second position defining a closed fluid path, and the valve being ...
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