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WO/2021/086201A1 |
Disclosed is a spool valve to valve a fluid between at least one inlet port and at least one outlet port, having a bore with a spool operably associated therein. The bore has one or more inlet ports and at least one outlet port. Located ...
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WO/2021/082275A1 |
The present application provides a leveling control system and method for a working bucket of an aerial lift truck, and an aerial lift truck. The leveling control system comprises: an inclination measurement device, which measures the in...
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WO/2021/081119A1 |
The subject matter of this specification can be embodied in, among other things, a fluid valve assembly that includes a first fluid port, a second fluid port, a third fluid port, a valve spool configured to be positioned at a first posit...
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WO/2021/077229A1 |
A hydraulic device having: a plurality of main piston-cylinder arrangements, each of the respective pistons having a fixed stroke length and configured for axial reciprocation within their respective cylinder; a plurality of flow control...
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WO/2021/073067A1 |
An oil circuit control device and a street sweeping vehicle, comprising a first overflow valve (221), a first three-position four-way directional reversing valve (11), and a second three-position four-way directional reversing valve (12)...
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WO/2021/072402A1 |
A conversion kit creates a redundant hydraulic, pneumatic, or mechanical control Functionality for low-torque, quarter-turn plug valves in remote production environments (i.e., rural or subsea pipelines). The conversion kit comprises at ...
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WO/2021/060603A1 |
The objective of the present invention is to provide a hydraulic cylinder rod having a rod eye firmly coupled to a hybrid round bar in order to reduce weight. To this end, the present invention is characterized in that a hydraulic cylind...
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WO/2021/061316A1 |
A method and apparatus for dithering hydraulic valves to mitigate static friction ("stiction") associated with the hydraulic valves. A first hydraulic valve and a second hydraulic valve are dithered to mitigate stiction associated with t...
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WO/2021/060604A1 |
The purpose of the present invention is to provide a method of manufacturing a hydraulic cylinder rod, the method comprising a step for deriving an optimum ratio between a metal tube and a composite round bar when providing a hybrid roun...
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WO/2021/057414A1 |
A quadrilateral connecting rod structure, comprising a first connecting rod (1), an upper connecting rod (4), a second connecting rod (9), and a lower connecting rod which are successively movably connected end-to-end to form a quadrilat...
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WO/2021/056659A1 |
An open hydraulic pump-controlled motor-driven rotary forging press machine, mainly comprising: pinions (1), racks (2), stop wheels (3), balance cylinders (4), a sliding block (5), guide rails (6), a main frame (7), and an electrohydraul...
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WO/2021/052632A1 |
The present invention relates to a header configuration block (1) for a hydrocarbon well comprising a header configuration block housing (9) having a plurality of transversal bores (6a-6c) each in fluid connection with a discrete longitu...
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WO/2021/054966A1 |
A hydraulic control module includes a valve housing defining a hydraulic circuit, and a bore extending along a bore axis. The hydraulic control module also includes a solenoid-actuated valve including a solenoid portion. The solenoid por...
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WO/2021/052623A1 |
A hydraulic valve module (2000) for a vehicle (10) is configured to receive hydraulic pressure from a first pump (61) via a first pump inlet (2205) in a first interface surface when connected to a first adjacent module (1000), and from a...
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WO/2021/053599A1 |
A control device is disclosed comprising a pressure reducing valve provided with a tappet end, movable means provided with a first end connected integrally to a cursor of a hydraulic distributor of an operating fluid of a hydraulic actua...
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WO/2021/037249A1 |
A hydraulic control one-way valve, comprising a threaded sleeve (1), a valve rod (2), a valve seat (4), a valve element (3), a fastening spring (6), and a control piston (7), wherein the threaded sleeve (1) is provided with a first conta...
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WO/2021/037938A1 |
The invention relates to a fluid device comprising a plurality of functional fluid modules each fixed on an individual base comprising: - two parallel lateral faces, by which the bases are able to be attached to one another in such a way...
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WO/2021/037339A1 |
A hydraulic system, mining machine and method of controlling a hydraulic actuator. The hydraulic system (HS) is provided with a control valve (23) for controlling movement direction and speed of a hydraulic actuator (HA) connected to the...
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WO/2021/035199A1 |
A pneumatic trip valve that may include a valve structure, a switch plate air path and an internal check valve. In various aspects, the pneumatic trip valve may be connected to a valve positioner, an actuator, or a combination thereof to...
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WO/2021/031621A1 |
A magnetic control material-based, magnetorheological, pilot operated safety valve for a hydraulic support, and a use therefor. The magnetorheological pilot operated safety valve comprises a valve body, a valve core, a return spring (24)...
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WO/2021/031639A1 |
A winch potential energy real-time recycling system and a control method therefor. Said system comprises a main pump (2), an auxiliary pump (18), a main reversing valve (4), a potential energy recovery reversing valve (13) and a balance ...
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WO/2021/023072A1 |
Disclosed are a make-up and break-out device, a rotary hydraulic driving device, and a hydraulic cylinder synchronous positioning device, belonging to the field of oil and gas development. The make-up and break-out device comprises: a ba...
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WO/2021/016885A1 |
A hydraulic control system for a fully hydraulic wheel rock drill comprises: an oil tank (1), a first oil pump (2), a second oil pump (3), a first priority valve (4), a first manual selector valve (5), a second priority valve (6), a firs...
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WO/2021/012101A1 |
A constant-pressure propulsion system for a rock drill rig, comprising a hydraulic motor, a propulsion hydraulic cylinder, an impactor hydraulic cylinder, a rotation pressure sensor, a propulsion pressure sensor, a rotary oil line electr...
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WO/2021/004397A1 |
A large flow valve-pump joint control emulsion pump station and a control method therefor, particularly suitable for use in the field of coal electromechanical equipment hydraulic systems. A valve-controlled liquid supply system is added...
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WO/2021/004419A1 |
A multi-power source composite control device. At least four control portions (111, 112, 113, 114) and at least two load flow channels (115, 116) are provided in a main body (1), the control portions (111, 112, 113, 114) each are provide...
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WO/2021/005321A1 |
The present disclosure provides a linear actuator assembly (100) comprising a plurality of hydraulic cylinders (110); a manifold block(120) in fluid communication with at least one of said plurality of hydraulic cylinders (110); a contro...
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WO/2021/004657A1 |
The present disclosure relates to systems that use a single proportional valve to control raising and lowering of a load. The present disclosure also relates to proportional valves that provide proportional flow control in first and seco...
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WO/2021/003761A1 |
A hydraulic tension system of a direct-pulling cold/warm rolling tester, relating to the technical field of hydraulic control. The hydraulic tension system comprises a constant-pressure oil source system (45), a left tension control unit...
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WO/2020/260124A1 |
The invention relates to a hydraulic control block for controlling a pressure medium supply of a hydraulic cylinder of a hydraulic spindle. The invention also relates to a hydraulic spindle comprising said control block.
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WO/2020/260146A1 |
Disclosed is a hydraulic control block for controlling a pressure medium supply of a hydro-cylinder of an electro- or servo-hydraulic axle, having interior hydraulic interfaces via which piston surfaces of the hydro-cylinder can be fluid...
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WO/2020/249430A1 |
The invention relates to a control device (10) for a distribution network for liquid and/or gaseous media, in particular for a roll stand. The invention also relates to a media module (1) and to a roll stand (2). The control device compr...
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WO/2020/249421A1 |
A hydraulic unit (100) for a dock leveler (200), wherein said hydraulic unit (100) comprises an hydraulic pump (106) driven by an electric motor (102), a hydraulic oil reservoir (101), at least one oil conduit (108, 110) being configured...
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WO/2020/248406A1 |
A constant decelerating hydraulic system for the safe shifting braking of a hoister, comprising an oil tank (1), a motor (2), a variable displacement pump (3), an electromagnetic proportional overflow valve (4), a check valve, an energy ...
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WO/2020/241936A1 |
A spool valve. A valve housing has a pilot fluid passage, and a first portion and a second portion lengthwisely spaced apart from each other. A spool is movably inserted in the valve housing, and includes a plug able to enter the pilot f...
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WO/2020/229033A1 |
The present invention relates to a device (4) for supplying to and/or controlling hydraulically operated components of a die casting machine (1), comprising a base block (5) with a main inlet opening (5a) and a main outlet opening (5b) f...
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WO/2020/229405A1 |
The invention relates to a hydraulic drive system consisting of at least two individual units (2), each of which has a hydraulic pump (14) that can be actuated by means of a drive (12) and that feeds pressurised fluid on the output side ...
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WO/2020/230936A1 |
A glove for transmitting tactility, according to an embodiment of the present invention, comprises a finger tactile unit for providing pneumatic tactility to a finger part, a fingertip stimulation unit for providing a stimulus, and a rea...
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WO/2020/231765A1 |
The present disclosure provides: at least one component of a rotary valve subassembly (800); a rotary valve assembly (900) including the rotary valve subassembly; a hydraulic circuit (1000) including the rotary valve assembly; an assembl...
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WO/2020/227351A1 |
In accordance with one embodiment of the present disclosure, a material moving machine comprises a pilot hydraulic switching system. The pilot hydraulic switching system comprises a control unit, a first directional valve, and a second d...
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WO/2020/221584A1 |
Solenoid valve block (1) for a vehicle sensor cleaning installation, comprising at least two solenoid valves (2) and a support (3) of the solenoid valves (2), the support (3) comprising at least one housing (4) and a cover (5) which toge...
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WO/2020/208600A1 |
A control apparatus for actuating hydraulic valve systems comprising an actuating section including a tilting control member and a plurality of control rods provided with a pusher susceptible to interaction with the control member so as ...
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WO/2020/208601A1 |
A modular control apparatus for actuating hydraulic valve systems comprising an actuating section including a tilting control member and a plurality of control rods provided with a pusher susceptible to interaction with the control membe...
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WO/2020/193114A1 |
The invention relates to a pneumatic control device (1) comprising a bus node (2) which is equipped with a first communication interface (6) and a first supply interface (8); a coupling module (11) which is equipped with the first commun...
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WO/2020/190446A1 |
A regeneration valve (70) includes a housing (72) defining a first port (74), a second port (75), a third port (76), and a chamber fluidly communicating with the first, second, and third ports (74, 75, 76). The chamber has a valve elemen...
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WO/2020/186841A1 |
A hydraulic control emergency operation device for a screw hoist, comprising: a hydraulic control device, which is arranged on a mobile vehicle, and is connected with a hydraulic driving device (25) through a high-pressure hose provided ...
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WO/2020/180085A1 |
The present invention relates to a hydraulic line-less hydraulic cylinder module and a medical bed using same, more specifically to a hydraulic line-less hydraulic cylinder module which has a compact and simple structure and which can be...
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WO/2020/172679A1 |
A hydraulic assembly (700) for an extendable lift arm assembly (230) can include an extension cylinder (712), a levelling cylinder (710), a main control valve (704), a flow combiner/divider (718), and one or more flow-blocking arrangemen...
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WO/2020/170193A1 |
A valve (10, 10') for hydraulic control of flu- id flow rate, comprising: a body (12) provided with an inlet opening (14), an outlet opening (14') and an actuating opening (16); a rotating hollow shutter (20) rotatively housed inside sai...
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WO/2020/161213A1 |
A hydraulic valve arrangement (500) for a dock leveller comprising a movable platform and a hydraulic operating arrangement, arranged to control the position of a movable platform. The hydraulic valve arrangement (500) comprises at least...
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