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WO/2023/014537A1 |
A spool (120) for a spool valve assembly (100) defines a spool longitudinal axis (122) and includes a first land module (130) defining a first land module circumferential surface (132), a second land module (140) defining a second land m...
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WO/2023/005475A1 |
A falling control method and system, and a crane. The falling control system is connected to a variable amplitude cylinder (610) of the crane, and a rod cavity of the variable amplitude cylinder (610) is connected to an electrical propor...
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WO/2023/005732A1 |
A power system and a travelling power station, relating to the technical field of engineering machinery. The power system comprises a first main pump, a second main pump, an auxiliary pump, a first switching unit, a first logic unit, a s...
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WO/2023/006216A1 |
Electric drive arrangement for a vehicle, comprising a housing, an electric machine with a stator connected to the housing and a rotor with a rotor shaft rotatably supported in the housing, a transmission to transmit a rotary movement fr...
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WO/2023/006218A1 |
Electric drive for a vehicle, comprising a housing, an electric machine with a stator connected to the housing and including stator end-windings, a rotor rotatable relative to the stator, and a driveshaft connected to the rotor and rotat...
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WO/2023/004999A1 |
A method and system for controlling machine tool descent stability, and a tractor. An outlet of a main pump (2) is connected to inlets of a main relief valve (3), fixed-difference relief valve (5), and machine tool control valve (6) resp...
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WO/2023/008659A1 |
A structure assembly-shaped all-in-one volume booster of the present invention comprises: a housing comprising an input port receiving inflow of a fluid, an output port which allows the fluid to flow in an actuator, an exhaust port disch...
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WO/2023/006207A1 |
The invention relates to a safety valve (100) for a pneumatic conduit (798), in particular in a pneumatic actuator (800), the safety valve (100) comprising: - a valve body (120), arranged in the pneumatic conduit (798), the valve body co...
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WO/2023/006206A1 |
The invention relates to a safety valve (100) for a pneumatic conduit (798), in particular in a pneumatic actuator (800), the safety valve (100) comprising: • a valve body (120), arranged in the pneumatic conduit (798), the valve body ...
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WO/2023/000919A1 |
A mobile pump station and a control method. The mobile pump station comprises: a power mechanism; an oil supply and return mechanism, the power mechanism providing driving force to the oil supply and return mechanism; a fixing frame (12)...
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WO/2023/000931A1 |
A rotary hydraulic system, engineering machinery, and a rotary control method. The rotary hydraulic system comprises: a first pipeline used for conveying hydraulic oil; a second pipeline used for conveying hydraulic oil; a motor (5), the...
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WO/2023/274210A1 |
A hydraulic system capable of multi-stage pressure control and pressure speed regulation, and a working machine. The hydraulic system comprises a load-sensitive pump device (1), an electromagnetic reversing valve (3), and a regulation an...
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WO/2023/273165A1 |
A rapid forming method and forming mechanism for an automobile steering wheel sheath. The forming method comprises oil suction, holding, oil filling, and oil drainage. The forming mechanism comprises a lower mold base (5), a main oil cyl...
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WO/2023/272515A1 |
A welding oil jack. The inside of an auxiliary oil path in the jack is connected, one end thereof is connected to a second cavity (152), and the other end thereof is connected to a lifting oil path by means of a steering valve. The steer...
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WO/2023/277470A1 |
The present invention pertains to an assembly structure without a back head, the structure having a block built as a polyhedron. To this end, the present invention, pertaining to an assembly structure without a back head, fills a compres...
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WO/2022/258589A1 |
The invention relates to a valve, in particular a proportional pressure regulating valve, comprising a valve housing (10) and a valve piston (12) which is arranged in the valve housing in a longitudinal a movable manner and which can be ...
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WO/2022/261165A1 |
An example valve includes: a seat member; a spool configured to be seated on the seat member to block fluid flow from a first port to a second port when the valve is in a closed state, wherein fluid at the first port applies a fluid forc...
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WO/2022/255737A1 |
The present invention relates to a hydraulic apparatus for an agricultural vehicle, comprising: an oil tank for storing hydraulic oil; a hydraulic pump for pressurizing the hydraulic oil so as to supply same to a hydraulic flow path; an ...
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WO/2022/248836A1 |
A hydraulic demultiplexer or multiplexer for providing hydraulic actuation of a plurality of robotic components wherein the hydraulic demultiplexer or multiplexer comprising an arrangement of hydraulically-controlled and hydraulically-op...
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WO/2022/247957A1 |
Disclosed are a hydraulic lifting apparatus, a hydraulic lifting system having same, and a lifting cargo carrying platform. The hydraulic lifting apparatus comprises a double-acting hydraulic cylinder, a lower support base disposed at a ...
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WO/2022/248249A1 |
A fluid control system for supplying fluid to a fluid consumer, comprising a valve module including a channel body to which a fluid switching valve, a fluid pressure regulator and a vacuum switching valve are attached, the channel body h...
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WO/2022/237768A1 |
A brake rocker arm assembly, relating to the technical field of engine braking. The brake rocker arm assembly comprises an exhaust rocker arm (2), a one-way mechanism (27), and an execution mechanism (28), wherein the one-way mechanism (...
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WO/2022/233242A1 |
An adaptive seawater hydraulic system applied to a pendulum-type wave energy power generation device, which is sequentially provided with a seawater pump (1), a flow regulating valve (2), a high-pressure hose (3), a manual reversing valv...
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WO/2022/234926A1 |
The present invention relates to an electrohydraulic system for heavy equipment and, more specifically, to an electrohydraulic system comprising: a hydraulic pump which is operated by a battery and a motor; a supply line which supplies w...
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WO/2022/229396A1 |
An electromagnetic drive for a 3/2-way valve (100), for example, is proposed, the drive comprising a housing (103), a movable armature (115) made of a magnetically soft material, coils (133, 136), which are arranged radially outside the ...
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WO/2022/228257A1 |
An integrated hydraulic system and a tire vulcanizing machine. The integrated hydraulic system comprises a hydraulic pump source, a control valve block and an execution mechanism. The execution mechanism comprises an integrated oil cylin...
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WO/2022/232455A1 |
An apparatus comprises a mounting panel including a top plate having multiple vias and multiple orifices. An internal face of the top plate includes a first cut-out region and channels through which to flow a process fluid. The first cut...
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WO/2022/227621A1 |
A hybrid power hydraulic system and an aerial platform truck. The hybrid power hydraulic system comprises an engine, a motor, and a gear pump, the engine being separated from and connected to the motor, and the gear pump being connected ...
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WO/2022/222574A1 |
A radial plunger hydraulic device using hydraulic control one-way valves for flow distribution, and a working method thereof. The radial plunger hydraulic device comprises a housing (200), several plunger assemblies, a spindle (300), fir...
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WO/2022/218230A1 |
A vehicle, a hydraulic system (100) for a powertrain of a vehicle, and a control method therefor, the hydraulic system (100) for a powertrain for a vehicle comprising: an oil tank (10), a main cooling oil circuit (m), and a plurality of ...
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WO/2022/205815A1 |
A pilot proportional control valve apparatus, an automatic calibration method, engineering machinery and a storage medium. The pilot proportional control valve apparatus comprising a hydraulic system and a controller (81). The hydraulic ...
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WO/2022/199609A1 |
A flow distribution control method for a hydraulic system, the hydraulic system comprising N loops L1-LN. The flow distribution control method comprises the following steps: S1: comparing pressures P1-PN at an inlet of an execution eleme...
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WO/2022/204553A1 |
A return manifold includes a housing having a first workport, a second workport, a third workport, and a fourth workport, and defining a first chamber and a second chamber. The return manifold includes a back-pressure disk arranged betwe...
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WO/2022/201131A1 |
A device (100) for controlling a fluid flow comprising an inner chamber (105) where a pressure P/ is present, a first channel (110) fluidically connected to a first opening (111) arranged to allow the passage of the fluid flow between th...
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WO/2022/204599A1 |
A hydraulic system includes a poppet control valve having an inlet workport, a function workport, a control chamber, and a poppet arranged between the inlet workport and the control chamber. The poppet is movable between an open position...
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WO/2022/203457A1 |
The present invention relates to a pneumatic control module. More specifically, the present invention relates to a pneumatic control module and an element handler having same, the pneumatic control module controlling air pressure for a p...
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WO/2022/193770A1 |
A floating device for an aerial work platform, comprising a pressure oil source (100), a controller (200), a left floating device, and a right floating device, a chassis (700), and a swing axle (600). The left floating device comprises a...
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WO/2022/198023A1 |
A valve may include an inlet, an outlet, and a plunger located at least partially within a central passage of the valve, where the plunger is movable between an open state and a closed state, and where the inlet is in fluid communication...
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WO/2022/193769A1 |
A double-acting floating oil cylinder control loop, comprising a double-acting hydraulic cylinder, a first balance valve, a second balance valve, and a locking device. One end of the first balance valve is connected to a rodless cavity o...
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WO/2022/182252A1 |
An agricultural wagon having a plurality of load sensors between a tow bar and a chassis. The load sensors are configured to sense the load of the wagon. The load sensors may sense the load of the wagon when it is supported on a tow coup...
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WO/2022/171478A1 |
A valve device, consisting of at least one valve piston (2) which is arranged in a valve housing (4) so as to be able to move longitudinally and which, when moved by means of a drive (34) with an associated drivetrain (32), ensures that ...
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WO/2022/161190A1 |
A slide valve type hydraulic reversing valve having a special sealing valve core structure, comprising a reversing valve body (1), return springs (6), linear rolling bearings (5), a slide valve core (2) and sealing rings (12, 15); the re...
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WO/2022/165116A1 |
A valve for controlling a hydraulic cylinder on a work machine may include a raising position configured for placing a pump in fluid communication with a cap end of the hydraulic cylinder. The valve may also include closed center positio...
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WO/2022/164416A1 |
A fluid valve manifold has an electrical conduit for receiving a circuit board assembly that actuates a plurality of valve units. The circuit board assembly is reversibly and rotatably mountable to a first position or second position in ...
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WO/2022/156085A1 |
An anchor drilling rig, comprising a top plate (100), a first telescopic device (400), a sliding frame (300), a drill box (200), and a second telescopic device (500); the first telescopic device comprises a first body (410) and a first t...
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WO/2022/143357A1 |
A bidirectional speed-adjustment hydraulic valve group, comprising a proportional speed-adjustment valve (2); an inlet of the proportional speed-adjustment valve (2) is connected to an inlet of an electromagnetic proportional overflow va...
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WO/2022/142220A1 |
An emergency pumping control packet, a hydraulic system, and a pumping device. The emergency pumping control packet (1) comprises an emergency operation module (11) and a power supply interface module (12); the emergency operation module...
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WO/2022/144862A1 |
A pilot operated hydraulic directional control valve. The hydraulic directional control valve comprises a valve body, a spool, a spring and a control piston. The valve body comprises four top ports and four bottom ports. When a spring fo...
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WO/2022/143430A1 |
A hydraulic multi-way valve with oil ports controlled independently, and a control method therefor. The hydraulic multi-way valve comprises: a multi-way valve body (1), an A oil port (2) and a B oil port (3) being provided on the multi-w...
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WO/2022/134865A1 |
An integrated apparatus for implementing flow rate control of oxygen, which is applicable to a control system for delivering gas and supplying a gas flow in the field of respiratory therapy. The integrated apparatus at least comprises a ...
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