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Matches 1 - 50 out of 8,711

Document Document Title
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...  
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...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
WO/2020/161486A1
A rotary servo valve comprising a housing portion (105) defining a cylindrical cavity (107) and a first layer of ports. The rotary servo valve further comprises two opposing indented sides and two opposing sides having an increased radiu...  
WO/2020/128634A3
A fluid substrate comprising a manifold including a circular opening, a tube stub plug coupled with the manifold at the circular opening, wherein an anti -rotation feature prevents the tube stub plug from rotating with respect to the man...  
WO/2020/154045A1
An example valve includes: a main piston comprising: a channel that is fluidly coupled to a first port of the valve, a pilot seat, and one or more cross-holes fluidly coupled to a second port of the valve; a pilot check member configured...  
WO/2020/148430A1
The invention relates to a valve assembly comprising: at least one directional control valve (1) with a control piston (4), which is arranged so as to be displaceable along a valve axis (X) in a valve chamber (3) of the at least one dire...  
WO/2020/146149A1
An example valve assembly includes a first workport fluidly coupled to a first actuator; a second workport fluidly coupled to the first actuator; a third workport fluidly coupled to a second actuator, wherein the third workport is fluidl...  
WO/2020/132934A1
A hydraulic variable pump set, comprising a pump body assembly (1) and an oil supplement assembly (2), wherein the pump body assembly (1) comprises pump bodies (11), first slide valves (12), and first control valves (13); the first slide...  
WO/2020/032881A3
Invention valve; Directional control valve with three conical populations. Three conicalpopicles (Pt) connected to each other within the valve body (Pt) open two flow paths with the righ taxi almovement of the left (M) (Pt) and close the...  
WO/2020/127445A1
Hydraulic arrangement (1) for distributing a fluid in pressure coming from a source (2) of fluid in pressure among a plurality of hydraulic units (3, 5, 6) of a work vehicle, said hydraulic arrangement (1) comprising a priority valve (7)...  
WO/2020/119668A1
An impact control hydraulic system for a rock drilling trolley, comprising a hydraulic pump (2), a rock drilling machine (22), and a multi-way directional valve (3), wherein two working oil ports of the multi-way directional valve (3) co...  
WO/2020/123040A1
An example valve includes: a piston movable between a neutral position and an actuated position, wherein in the neutral position: a second port of the valve is fluidly coupled to a first port, and a third port is fluidly decoupled from t...  
WO/2020/119691A1
Disclosed is an advancing hydraulic control system for a drilling jumbo, the system comprising a hydraulic pump (2), an advancing oil cylinder (16), and a multi-way reversing value (3) used for controlling the reversing of the advancing ...  
WO/2020/123041A1
An example valve includes: a piston movable between a neutral position and an actuated position, wherein in the neutral position: a second port of the valve is fluidly coupled to a first port, and a third port is fluidly decoupled from t...  
WO/2020/113952A1
A pumping mechanical hydraulic system, comprising an oil tank (33), a pressure oil source (3), a pumping hydraulic execution component (4), and at least two reversing valve sets (2). The pressure oil source (3) is used for outputting hyd...  
WO/2020/114909A1
The invention relates to a tool for adjusting high-pressure hydraulic circuits on hydraulic heavy equipment, such as wheel loaders, dump trucks, excavators and shovels, wherein the tool (10) can be remote-controlled.  
WO/2020/118302A1
A system for a log splitter that is configured to automatically remove power to a pump and motor assembly for a hydraulic actuator when a valve assembly is in a position other than a first position causing the splitting assembly to advan...  
WO/2020/117999A1
A fluid pump for a linear actuator causes a rod in the actuator to extend or retract by controlling fluid flow to and from portions of a fluid chamber on either side of a piston disposed within the fluid chamber and supporting the rod. T...  
WO/2020/116301A1
A flow controller (12) that changes the flow rate of air exhausted from an air cylinder (100) in mid-stroke includes a first switching valve (20) displaced from a first position to a second position under the effect of pilot air, and cau...  
WO/2020/109374A1
The invention relates to a switching unit for connecting a first pneumatic unit and a second pneumatic unit of a pneumatic system together, the switching unit comprising a main body having: a duct structure which extends through the main...  
WO/2020/093869A1
A water base proportional valve for a hydraulic support electrohydraulic control system. The water base proportional valve comprises a water base proportional valve structure and a testing control portion; the water base proportional val...  
WO/2020/082271A1
A location tracking type pilot-operated proportional hydraulic valve, wherein the main structure only consists of a drive motor (1), a pilot valve (4), and a main valve (8). The pilot valve (4) is provided with a cylindrical pilot valve ...  
WO/2020/086325A1
A stiffness control and systems for the same are disclosed herein. A first plate and a second plate can be connected with rigid support, a hydraulic actuator and a high roughness surface. Upon actuation, the actuator can force the high r...  
WO/2020/076391A1
An example valve includes: (i) a valve body comprising a supply port and an operating port; (ii) a sleeve comprising a first opening fluidly coupled to the supply port, a second opening fluidly coupled to the operating port, and a seat; ...  
WO/2020/061343A1
A hydraulic control valve can be one type of a variable characteristic (e.g., coil voltage). A visual identification system is provided to permit the visual identification of the specific type of the variable characteristic that the cont...  
WO/2020/057072A1
Disclosed is a threaded insertion type rotary direct-drive electro-hydraulic servo valve with a harmonic speed reducer. A direct-current brushless servo motor (1) and a harmonic speed reducer (3) are used as an electromechanical conversi...  

Matches 1 - 50 out of 8,711