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WO/2017/182511A3 |
The invention relates to an electronic execution unit (124) for controlling and regulating a pneumatic valve assembly (VS, V, VI, WV) for a pneumatic movement, said invention being characterised in that an application (A) for controlling...
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WO/2017/219876A1 |
Provided is a differential pressure unloading safety valve, comprising a valve body (1), a valve core (2), and a valve spindle (3). The valve body (1) is provided with a liquid inlet hole (17), a first cavity (1a) and a second cavity (1b...
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WO/2017/220193A1 |
A valve apparatus for influencing a flow of medium between a supply port (38) and a pressure port (40), having a valve device (10) which, in at least one closed position, blocks the connection between the supply port (38) and the pressur...
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WO/2017/218991A1 |
A servovalve system comprising a pilot stage valve in communication with an hydraulic stage valve, the hydraulic stage valve comprising a valve member movably mounted in a valve chamber to selectively meter fluid flow in a flow path from...
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WO/2017/215631A1 |
A hydraulic cushioning device is disclosed pertaining to the field of hydraulic parts. A signal device (X) is installed at a position close to an end of a cylinder stroke to control movement of slide valves (12, 18, 12a, 12b, 12c, 12d, 1...
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WO/2017/210386A1 |
A valve assembly has a port selection assembly with an inlet fluid path and a plurality of outlet fluid paths and a servo-driven barrel. The barrel includes a slot that is aligned with the inlet fluid path. The barrel also includes multi...
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WO/2017/207130A1 |
The invention relates to an electromagnetic valve device, comprising armature elements (12, 14), which can be moved in an axial direction in response to energization of stationary coil elements (16) in order to actuate a valve slide asse...
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WO/2017/202485A1 |
The invention relates to a valve device with a pressure reducing function, consisting of at least one logic valve (V1), a blocking vale (V2) and a pressure reducing valve (V3).
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WO/2017/200450A1 |
A operator supporting electrohydraulic drive and control system based on, position sensors (8) (9), a electronic control unite ECU (2), a recovery, storing and re-use system for energy, and with actuator (3) (4) and the drive control val...
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WO/2017/193207A1 |
A pneumatic engine includes a plurality of pneumatic motors and an engine drive shaft. Each motor has a motor gas inlet, a motor gas outlet, and a rotor driven by gas flow between the motor gas inlet and the motor gas outlet. The engine ...
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WO/2017/191380A1 |
The security unit (9) ensures, by blocking the hydraulic flow, that the rod of a cylinder is held in position. It comprises two preferably twinned isolation devices (13), each mounted on one of the hydraulic lines supplying fluid to a ch...
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WO/2017/191855A1 |
The present invention provides an electrohydraulic valve apparatus for construction machinery, comprising: a valve block which comprises a first cylinder port connected to a large chamber of a cylinder and a second cylinder port connecte...
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WO/2017/186914A1 |
The invention relates to a hydraulic control module having at least two layers which are arranged on top of one another, at least one of the layers thereof having an offset. In this case, the offset layer is connected at least in some ar...
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WO/2017/186933A1 |
The invention relates to a mechatronic unit having a plurality of superimposed layers, in which at least one channel extends in a region, in which said channel runs parallel to the layers, in at least two of the layers.
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WO/2017/189551A1 |
An attachment for a tractor is disclosed, the attachment includes a rotary reducing component that includes a plurality of cutters and a hydraulic system having an activated state and a deactivated state. The hydraulic system includes an...
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WO/2017/185885A1 |
An energy-saving temperature difference energy-driven ocean profile dynamic system includes: a phase change chamber (1); a phase change hydraulic oil sac (3) disposed in the phase change chamber (1); an accumulator (16) connected with th...
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WO/2017/186930A1 |
The invention relates to a hydraulic system control plate having at least three layers, wherein an inner layer of the three layers is provided with at least one through-hole which is limited over at least a portion of its surface in the ...
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WO/2017/184651A1 |
Presented herein are systems and methods for attenuating flow ripple generated by a hydraulic pump. In certain aspects, a method and system for operating a hydraulic positive displacement pump according to a stabilized command profile ar...
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WO/2017/178272A1 |
An electropneumatic valve assembly (1) comprises an electropneumatic pilot stage with at least one pilot valve (P1) and comprises a pneumatic power stage which is actuated by the pilot stage. Here, each pilot valve switches at least two ...
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WO/2017/178546A1 |
In a load sensing hydraulic control circuit, a pressure compensator elaborates both a load sensing pressure signal to control a pump unit and a pressure compensated power flow for actuators, the power flow being either split or alternati...
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WO/2017/178347A1 |
An electrohydraulic control circuit (1) for actuating a hydraulically activated drive assembly (2), by means of which a mast segment of a manipulator, in particular of a large-scale manipulator for truck-mounted concrete pumps, can be ad...
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WO/2017/172746A1 |
A valve member having a supply pressure and a method of controlling the supply pressure in the valve member includes a valve body having a fluid inlet, a fluid outlet, and a controlled port. The valve member includes a spool moveable wit...
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WO/2017/167435A1 |
A control device is disclosed for at least one hydraulic working section (A, B), which can be connected to a pressure supply source (P) and a return flow (T) via a hydraulic supply circuit and a control valve (34) supplied with a pilot p...
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WO/2017/168049A1 |
A fluid valve assembly (60) comprises a central bore (202) and a stem (203) axially-movable within the central bore and actuated by an axial pilot force (F_pil) and an axial counter force (F_sup). An inner supply pressure chamber (202E) ...
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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/2016/128104A8 |
A pressure-limiting valve with feed function, comprising a valve housing (20) having at least two connection points, in particular in the form of a working connection (A) and a tank connection (T), and having a spring-loaded pressure-lim...
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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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