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WO/2017/156111A1 |
An injector control system for a coiled tubing unit includes a programmable logic controller arranged to receive a signal related to sensed parameters of a coiled tubing injection operation; a traction pressure control hydraulic circuit ...
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WO/2017/151618A1 |
A servovalve comprising a motor, a motor bias mechanism, a first stage valve having a first position, a second stage valve movable with movement of the first valve, a reference member in fluid communication with the second valve, a trans...
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WO/2017/148779A1 |
The invention relates to a device (100) for maintaining a hydraulic pressure (p), which can be set by a pressure generator (50). Said device comprises an inlet (110) for coupling to the pressure generator (50); an outlet (120) for provid...
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WO/2017/140499A1 |
The invention relates to a synchronizing cylinder (1), preferably for an extrusion plant, comprising an outer cylinder (10), an inner cylinder (20) accommodated therein and arranged concentrically thereto, a double-acting working piston ...
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WO/2017/137544A1 |
The invention relates to a proportional valve (1), having a pilot control valve (2) that can be controlled by means of a control signal and having a booster valve (3) that can be actuated by means of the pilot control valve (2). The prop...
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WO/2017/135919A1 |
Hydraulic workover system having at least two sets of hydraulic cylinders coupled with a single load. A plurality of control valves transitionable between a closed position and an open position, the plurality of control valves having at ...
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WO/2017/136644A1 |
The present invention relates to a hydraulic component (2) comprising a piston (4) and a cylinder (6) with a piston receiving space (8) in which the piston (4) is displaceably arranged while defining a chamber (22), via which a pressure ...
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WO/2017/130404A1 |
The purpose of the present invention is to provide a spool valve device for a pneumatic cylinder, which is capable of adjusting the dead band during switching back and forth between an extension direction operation and retraction directi...
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WO/2017/132433A1 |
Hydraulic circuits for controlling a movable component use one or more of a plurality of fluid supplies. Pressurized fluid flowing from one supply is routed toward the component and is not inadvertently vented into another fluid supply, ...
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WO/2017/127718A1 |
An energy-saving charge/discharge method controls the repeated charging and discharging of a working vessel in a manner that enables the storage and subsequent reuse of compressed gas during the repeated charge and discharge cycle. In co...
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WO/2017/121037A1 |
An improved structure for a rotary hydraulic valve, comprising a valve body (10) and a valve core (20a) rotatably and axially provided in the rotation space of the valve body. When a hydraulic oil of an oil pressure source flows from an ...
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WO/2017/122836A1 |
The present invention provides a hydraulic system for construction equipment, the system comprising: a first spool installed on a fluid channel that connects a hydraulic pump and an optional device and connects the hydraulic pump and an ...
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WO/2017/114442A1 |
A brake control oil circuit comprising at least one actuating component (1), one proportional valve component (3), and a control component (5). The actuating component (1) comprises an actuating mechanism (11) and a valve body (12). The ...
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WO/2017/114524A1 |
The invention relates to a hydraulic control system comprising a load-sensing (LS) valve (3) having a valve slide (4) as a valve element, wherein the LS valve (3) has a high-pressure connection P, a low-pressure connection T, a load-sens...
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WO/2017/108183A1 |
The invention relates to a valve, in particular a 4/2-way slide valve (60), comprising a valve piston (67), which is guided in a longitudinally movable manner in a valve housing (25), for selectively connecting and disconnecting fluid co...
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WO/2017/102331A1 |
A valve arrangement for hydraulic control of a piston-cylinder of a power switch (7) contains a main stage having a first main valve (31) and a second main valve (32), and a pilot stage having at least one pilot valve (3, 4). In order to...
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WO/2017/105675A1 |
A rail maintenance vehicle includes a frame, a workhead, an actuator, a pilot valve, and a throttling valve. The frame includes wheels that travel along rails. The actuator extends and retracts the workhead with respect to the frame. The...
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WO/2017/099265A1 |
The present invention provides a hydraulic system for a construction machine, comprising: a hydraulic actuator connected to a hydraulic pump and driven by hydraulic oil, which is discharged and supplied from the hydraulic pump and fed ba...
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WO/2017/097470A1 |
A hydraulic arrangement (10) for a motor-vehicle drivetrain (40) which has a first hydraulic consumer (16; 52) and a second hydraulic consumer (18; 44), wherein the first consumer (16; 52) is provided for being supplied with a first flui...
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WO/2017/100272A1 |
A ladder assembly for a work vehicle comprises a deck affixed horizontally just below an entry door of the cab. A yoke is pivotally joined to a support member of the deck for rotation about a vertical axis below the deck surface. The yok...
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WO/2017/092855A1 |
Valve device consisting of at least one valve piston (1) which is arranged in a valve housing (3) in such a way as to be longitudinally movable along a movement axis (5) by an electric motor (23) and which at least partially connects or ...
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WO/2017/090754A1 |
This fluid control valve device comprises: a spool valve provided with an introduction port through which a fluid can be introduced into a supply pressure chamber, a discharge port through which the fluid can be discharged from the suppl...
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WO/2017/089067A1 |
The invention relates to a volume flow regulating valve for controlling the volume flow of a fluid medium in two outflow ducts. The volume flow regulating valve is composed of a cylinder with a dual piston mounted axially displaceably in...
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WO/2017/083839A1 |
A hydraulic pump system includes a pump control system operable to reduce electric current required at the start of the pump and reduce starting torque for the pump. The pump control system can include a gap between a spring seat and a v...
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WO/2017/080230A1 |
Disclosed is a hydraulic control valve assembly of an automatic steering system for agricultural machinery, comprising a proportional reversal valve (3). A balance valve (1) is provided between the proportional reversal valve (3) and a s...
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WO/2017/076430A1 |
The invention relates to an electronic valve controller (1) for the open-loop and closed-loop control of a valve island (VI), which comprises four or eight valve disks (VS) having pneumatic valves for performing a motion task. According ...
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WO/2017/078186A1 |
The present invention relates to a flow rate control device and, more particularly, to a flow rate control device which enables a simultaneously smooth operation of a boom lift of a construction machine and an optional device at a comple...
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WO/2017/072257A1 |
The invention relates to a valve module for mounting on a fluid distribution device (2), comprising a main body (34) having two opposing interface surfaces (33, 43) designed to be connected to a valve module (3) or a fluid distribution d...
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WO/2017/071584A1 |
An axle-locking hydraulic system of a two-way driving shuttle vehicle, comprising an axle-locking fluid tank (11), an axle-locking circuit, an axle-locking solenoid reversing valve (21), and a burst pipe emergency apparatus. The axle-loc...
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WO/2017/071753A1 |
The invention relates to a fluid control device comprising a valve arrangement (4) comprising an air inlet valve (5) for providing a working fluid to a working connection (40) of a fluid consumer (3) and comprising an air outlet valve (6...
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WO/2017/063707A1 |
The invention relates to a valve device for influencing a fluid stream, comprising a main body (2) which has a valve recess (40) to receive a movably mounted valve body (41) and through which at least two fluid channels (10, 11, 12, 13) ...
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WO/2017/061647A1 |
The present invention relates to a control system of construction equipment and, more specifically, to a control system of construction equipment in which an electronic HRV controlled by an ECU is connected to a hydraulic circuit for ope...
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WO/2017/062299A1 |
A product that may include a clutch. A multi-chamber hydraulic unit may define a first chamber, a second chamber and a third chamber, each within the multi-chamber hydraulic unit. A first piston may separate the first chamber from the se...
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WO/2017/061648A1 |
The present invention provides a spool valve, comprising: a valve block; a first spool, which is mounted onto one side on the inside of the valve block so as to be moved forward and backward in the lengthwise direction and comprises a fi...
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WO/2017/060079A1 |
The invention relates to a pressure distributor (100) for a motor vehicle, in particular for pneumatic actuators in seats, wherein a pressure generator and a plurality of pneumatic actuators can be connected to the pressure distributor, ...
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WO/2017/058238A1 |
A valve assembly has a valve housing with a hole therein. A valve spool is slidably received directly into the hole of the valve housing with no sleeves or seals interposed therebetween. Preferably, the valve housing and valve spool may ...
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WO/2017/049033A1 |
A gas-over-oil actuator system for use with a valve in a natural gas pipeline. The system includes a gas-over-oil actuator and a wireless position monitor operatively coupled to the gas-over-oil actuator. The wireless position monitor in...
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WO/2017/045701A1 |
The invention relates to a valve control means for electrical actuation of at least one valve drive (51a to 51h; 16), having a control circuit (28; 89; 109) which is configured to influence an electric energy flow between an electric sou...
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WO/2017/043681A1 |
A pilot check valve comprises: a valve body which forms a flow path for connecting a first main port and a second main port and has a valve seat formed on the flow path; and a closing part for closing/opening the flow path as the closing...
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WO/2017/042741A1 |
A load-sensing control device (1) for priority valves, comprising: a body (2) inside which is formed at least a first seat (3) communicating with a supply line (4), connectable to pumping means of a working fluid, with an output line (5,...
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WO/2017/041848A1 |
The invention relates to a fluid system with a safety-related valve assembly (3) which has a first fluid connection (29) for fluidically connecting to a fluid connection of a fluid source (13) or of a control valve (2; 62), a second flui...
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WO/2017/039766A1 |
A poppet valve includes an inlet port, a first outlet port, a second outlet port, a first exhaust port, a second exhaust port, and a spindle. A first poppet element and a second poppet element each float relative to the spindle. A first ...
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WO/2017/030476A1 |
The invention provides a hydraulic system for moving an implement (5) of a working machine, - the hydraulic system comprising a hydraulic cylinder (701, 721) with a cylinder and a piston which is adapted to move in the cylinder to thereb...
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WO/2017/023669A1 |
The present utility model relates to a valve assembly comprising a first directional valve configured to be in fluid connection with a working pump so as to receive hydraulic fluid pumped by the working pump, and selectively guide the re...
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WO/2017/017653A1 |
Modular command device (30) for electrovalve islands comprising an input module (40, 50) of the parallel type (40) or of the serial type (50) comprising input connectors (41, 51) to receive the command signals of a user and output connec...
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WO/2017/017656A1 |
A solenoid valve system (10) is described comprising at least one solenoid valve (12) and at least one base (14A; 14B) operatively connected to the at least one solenoid valve. Each solenoid valve comprises at least one compressed air su...
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WO/2017/016626A1 |
A distribution device for at least one fluid that can be conducted in a fluid duct (35) via at least two distribution units (3, 4, 5) is characterized in that at least two of the distribution units (3, 5, 6) that are adjacent to each oth...
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WO/2017/018557A1 |
Disclosed is a hydraulic circuit for controlling operation oil, which is supplied from a hydraulic pump to a hydraulic cylinder, and operation oil, which is returned from the hydraulic cylinder to an operation oil tank. The present inven...
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WO/2017/012911A2 |
A valve assembly includes a first spool valve that directs fluid to a working object. A second spool valve directs fluid to the exhaust.
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WO/2017/012807A1 |
The invention relates to an electric linear drive (1) for a gear rack (3), comprising a stepping motor (4), a holding plate (8), a motor output gear (7), and a gearbox (9), wherein the holding plate (8), the stepping motor (4) having a m...
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