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WO/2016/121185A1 |
Provided is a rotation control device having a simplified structure, the rotation control device being capable of independently controlling a meter-in flow rate and a meter-out opening area and being configured so that the characteristic...
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WO/2016/122010A1 |
The present invention provides a hydraulic control system comprising: a flow rate control valve; a variable displacement hydraulic pump which is connected to the flow rate control valve and discharges hydraulic pressure to the flow rate ...
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WO/2016/123302A1 |
A portable workstation includes a frame, a plurality of wheels coupled to the frame, a handle coupled to the frame, a pneumatic inlet port coupled to the frame and a pump coupled to the frame and pneumatically coupled to the pneumatic in...
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WO/2016/121075A1 |
The present invention provides a vacuum processing device provided with a gas supply means having a hard interlock for a pair of gas valves. The present invention is a vacuum processing device provided with a gas supply unit for supplyin...
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WO/2016/117547A1 |
According to the present invention, a motor-generator (27) is mechanically linked to an engine (21) and a hydraulic pump (23). The hydraulic pump (23) supplies pressurized oil to cylinders (12D)-(12F) of a work device (12), to a travelin...
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WO/2016/113236A1 |
A hydraulic apparatus for a construction equipment, such as an excavator, comprising a support structure connected or connectable to a movable arm of the construction equipment and a pair or rotating drums comprising a plurality of teeth...
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WO/2016/111205A1 |
[Problem] To provide a construction apparatus in which decrease in workability can be suppressed even in work where great reaction force is exerted on a point of application. [Solution] A hydraulic cylinder drives a work component. A hyd...
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WO/2016/098549A1 |
Provided is a rotary valve for controlling the flow rate of hydraulic oil supplied to and discharged from a hydraulic cylinder (20) for rotating a wing (2, 3) about a rotating shaft (5). The rotary valve is provided with: a rotor (60) wh...
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WO/2016/098185A1 |
A hydraulic pressure control device (100) for a construction machine, said control device equipped with: a first circuit system (10) connected to a first pump (P1); a second circuit system (20) connected to a second pump (P2); a changeov...
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WO/2016/098380A1 |
An intermittent air discharge device 10 having a main valve 11 and a pilot valve 12, the main valve 11 being operated to a discharge state and a discharge-stopped state. The pilot valve 12 is operated to an air supply state for supplying...
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WO/2016/096436A1 |
The invention is directed to a valve actuating device (20) comprising a body (22) with a bore (221) and a bottom (222), an actuating element (24) sealingly housed in the bore (221) of the body (22) and forming a first chamber (25) with t...
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WO/2016/098335A1 |
In the present invention, a hydraulic drive system for construction machinery is provided with: a first pump having a first rotational shaft and supplying hydraulic oil to a swing motor; a second pump having a second rotational shaft cou...
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WO/2016/098182A1 |
This control valve is provided with: a housing having a high-pressure passage which is in communication with a hydraulic pressure supply source, a low-pressure passage which is in communication with a tank for storing hydraulic fluid, a ...
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WO/2016/096221A1 |
The invention relates to an actuating drive for a control valve, in particular a steam turbine control valve, comprising a working cylinder, which has a piston and a piston rod, which is connected to the piston and which forms an actuato...
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WO/2016/091528A1 |
The invention relates to a hydraulic valve arrangement for supplying a pressure medium to a hydraulic load, having two working connections for connecting to the load. The valve arrangement comprises a first inlet flow measuring diaphragm...
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WO/2016/091359A1 |
The invention relates to a three-position cylinder (11), especially as a transmission actuator. According to the invention, a series-connected auxiliary cylinder (12) having an auxiliary piston (15) is provided.
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WO/2016/091358A1 |
The invention relates to a linear drive, in particular for moving a gearshift lever in a transmission, comprising a pneumatically or hydraulically movable push rod (11) with which a first piston (14) having at least one pneumatically or ...
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WO/2016/092809A1 |
A hydraulic drive system for construction machinery, comprising: a variable-capacity pump having a changeable tilt angle; a pair of rotation supply lines that connect a rotation control valve and a swing motor; a pair of electromagnetic ...
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WO/2016/091150A1 |
Disclosed is a hydraulic system for a three-dimensional garage, comprising a power unit (1), a control unit (2), an execution unit (3) and an energy storage unit (4). The power unit (1) comprises two motor oil pumps (11) in parallel. The...
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WO/2016/086027A1 |
A synchronous lifting or lowering system with hydraulic cylinders controlled by parallel-connected lift valves having two fluid passages. Hydraulic fluid for extending or retracting the actuators is delivered by a hydraulic supply system...
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WO/2016/084793A1 |
This hydraulic drive device for steam valve is provided with a plurality of hydraulic actuators which generate a driving force transmitted to the valve body via a valve shaft of the steam valve, and each of the plurality of hydraulic act...
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WO/2016/084421A1 |
A hybrid construction machinery control system (100, 200) comprises a hydraulic pump (26, 27), a regenerative motor (46), a rotating electrical device (48) that is connected to the regenerative motor (46), a storage battery (24) that acc...
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WO/2016/078512A1 |
Disclosed is a gear-shifting control system of an automatic transmission, comprising a main pump (11), four gear-shifting oil cylinders (41, 42, 43, 44), a gear-shifting control valve (12), a first gear shifting valve (13), a second gear...
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WO/2016/080874A1 |
The present invention regards an elongated fluid actuator arrangement comprising a first and second cylinder housing (3, 5) extending in a longitudinal direction (X), respective housing (3, 5) encompasses a first respective a second pist...
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WO/2016/080893A1 |
The present invention regards an elongated fluid actuator arrangement comprising a first and second cylinder housing (3, 5) extending in a longitudinal direction (X), respective housing (3, 5) encompasses a first respective a second pist...
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WO/2016/076288A1 |
A work machine comprises: a grapple (6); an arm (5) to support the grapple (6); a boom (4) to support the arm (5); an upper rotating body (3) to support the boom (4); a lower traveling body (1) on which the upper rotating body (3) is mou...
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WO/2016/072333A1 |
This control valve device is provided with: a valve main body (B) in which is formed an actuator port (1) for connection to an actuator; a communication path (8) formed in the valve main body (B), for communication between the actuator p...
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WO/2016/072135A1 |
Provided is an energy-saving hydraulic control device for an operating machine, equipped with a specific actuator capable of supplying hydraulic fluid from a plurality of hydraulic fluid pumps. The hydraulic control device for an operati...
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WO/2016/071411A1 |
A method of operating a variable displacement pump in a pressurised fluid supply system for an agricultural vehicle, comprising maintaining a constant displacement of the pump as rotational speed of the input drive to the pump increases ...
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WO/2016/072322A1 |
A compensator spool (CS) of a load-sensing valve device (100) has a pressure chamber (21), a compensator throttle part (a), a pressure introduction chamber (29), a pressure introduction port (32), a maximum load pressure introduction cha...
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WO/2016/066126A1 |
Disclosed are a crane hydraulic system and a control method based on the system. The crane hydraulic system comprises a load sensing sub-system, said sub-system comprising a variable pump (1-1), a variable pump oil inlet path (1-2), a lo...
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WO/2016/067887A1 |
A compensator valve spool (CS) for a load-sensing valve device (100) comprises a pressure chamber (21), a compensating throttle (a), a pressure introducing chamber (25), a pressure introducing port (24), a maximum load pressure introduci...
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WO/2016/063499A1 |
[Problem] To provide an intermittent air generation device excelling in applicability using a simple structure, without the need for a pilot pressure-type on-off valve using a complicated structure. [Solution] A passage switching valve (...
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WO/2016/061797A1 |
A hydraulic drive system for an operating table, the system comprising an oil supplying device for providing hydraulic oil, an oil returning device and an oil returning circuit assembly; the oil returning circuit assembly comprises two o...
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WO/2016/060066A1 |
A cylinder device (C1) is provided with: a recess (2a) provided in either a piston (2) or a cylinder (1) and facing the other of the piston (2) and the cylinder (1); an extension-side discharge passage (6) for only allowing liquid to flo...
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WO/2016/061539A1 |
An apparatus includes a housing, a piston, an input cavity, a first actuating shaft, a first output cavity, and a second output cavity. The housing comprise an input port, a first output port, a second output port, a first end, a second ...
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WO/2016/056334A1 |
The present invention is provided with: a control valve (31) for controlling the supply and discharge of pressurized oil to an arm cylinder (4); an operation lever (6) that controls a spool position of the control valve (31); a meter-out...
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WO/2016/056564A1 |
A switching valve (22) of a fluid pressure control device (100) is provided with: a pilot chamber (22a) into which pilot pressure is guided through a pilot valve (10); a spool (36) which moves in the valve-opening direction in response t...
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WO/2016/056244A1 |
This hydraulic drive system for construction machinery is provided with: a bidirectional pump connected to a revolving motor through a pair of supply/discharge lines; a regulator for changing the tilt angle of the bidirectional pump; and...
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WO/2016/056675A1 |
A drive device for construction equipment according to the present invention comprises: a first pump flow path that is connected to a first hydraulic pump; a first supply flow path and second supply flow path that are connected to the fi...
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WO/2016/054047A2 |
Exemplary control valves that may be configured as a load sense, closed-center, and/or open-center valve. The control valve may include optional individual valve force sensing to potentially allow an operator to smoothly operate devices ...
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WO/2016/052209A1 |
[Problem] To provide a work vehicle hydraulic drive system that ensures good operability when hydraulic fluid that has been discharged from a hydraulic actuator is regenerated to drive another actuator. [Solution] This work vehicle hydra...
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WO/2016/051815A1 |
The purpose of the present invention is to improve responsiveness to an operation (gear shift operation or the like) that accompanies switching of a hydraulic switching valve. Another purpose of the present invention is to prevent the oc...
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WO/2016/052541A1 |
Provided is a hydraulic drive system of an industrial machine configured with a single electromagnetic proportional valve for a reproducing circuit, in which the same actuator speed can be ensured irrespective of whether or not pressure ...
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WO/2016/051253A1 |
A pressure compensator, particularly for oleodynamic applications, comprising two cylinders: a compensator cylinder (2) in which is slidingly engaged a first piston (21) comprising a first piston rod, and a reducing cylinder (3), in whic...
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WO/2016/047322A1 |
A switching valve is provided with: a valve body (B); a spool (S) mounted in the valve body (B) in a slidable manner; and two pilot chambers (1, 2) toward which the ends of the spool (S) face. The position of the spool (S) is changed by ...
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WO/2016/041799A1 |
The invention relates to a device (2, 17) for driving a stator blade (3) into a blade groove (1) which is mounted on a stator blade carrier (4) of a turbine and contains at least one caulking element (5), comprising at least one linear d...
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WO/2016/043206A1 |
A shovel according to an embodiment of the present invention has a main pump 14L for supplying working oil to hydraulic actuators 1A, 2A, 8, control valves 171L to 175L for controlling the flow of working oil between the main pump 14L an...
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WO/2016/038921A1 |
The present invention mitigates the reduction in hydraulic actuator speed due to linked operation while reducing loss due to split flow. A hydraulic control device for a work machine having a first hydraulic actuator (6), a hydraulic pum...
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WO/2016/040484A1 |
A hydraulic system (14) is disclosed for assisting starting of a machine (10) having an engine (59). The hydraulic system may include a work tool (16), a pump (58) driven by the engine to pressurize fluid, and an actuator (49) configured...
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