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WO/2024/113948A1 |
A hydraulic system, a water supply and drainage vehicle, and a hydraulic system control method. The hydraulic system comprises an oil tank (1); a first hydraulic water pump (130) comprising a first hydraulic motor (31), a second hydrauli...
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WO/2024/113059A1 |
An electrohydraulic valve includes a valve housing having a common chamber and a metering port in communication with the common chamber. The valve housing is coupled to a valve manifold having an inlet port and an outlet port. A first no...
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WO/2024/113770A1 |
A hydraulic control system, comprising: a boom cylinder (100), an energy accumulator (200), an explosion-proof device (300), a main oil source (401), a control oil source, a damping control valve group (500) and an oil tank (402), wherei...
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WO/2024/108543A1 |
An energy recovery and reuse system for a loader-digger and a control method therefor, and a loader-digger. The system comprises: an actuation mechanism (2), which is configured to drive a working device to perform actions using hydrauli...
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WO/2024/110571A1 |
A bistable directional control valve (1) is proposed, having a valve member (13) which extends within a valve member-receiving chamber (8) of a valve housing (3) and, at opposite end portions (17a, 17b) of the valve member, has in each c...
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WO/2024/103489A1 |
A fin stabilizer closed-type hydraulic system having a flushing loop, comprising a flushing loop, a motor (6), a fin-rotation plunger pump (7), an oil supplementing pump (8), an oil supplementing overflow valve (9), a fin-rotation overfl...
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WO/2024/105551A1 |
A modular valve manifold device includes a manifold (130) with a plurality of port/mounting positions and a plurality of adapter plates (145) for detachable fixing to the port/mounting positions. The adapter plates (145) are adapted to b...
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WO/2024/099298A1 |
Provided in the present utility model are a combination valve, and an oil circuit system for an air compressor unit. The present utility model belongs to the technical field of air compressors. The combination valve comprises a valve sea...
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WO/2024/098057A1 |
A balanced pneumatic regulator includes a body, an inlet seat element, a piston, and a piston plunger. The body includes a central axis extending through the body. The inlet seat element is fixedly positioned within the body, and the inl...
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WO/2024/096153A1 |
This charging system comprises a charging machine for charging an electric vehicle, wherein the charging machine comprises: a base; a charger having a contact-type charging terminal in contact with or separated from a charging terminal a...
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WO/2024/087819A1 |
A hydraulic system of a hybrid power rotary drilling rig. The hydraulic system comprises an engine, a generator, an electric motor set, a main pump, an auxiliary pump, a main hydraulic system, an auxiliary hydraulic system, a main winch,...
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WO/2024/091570A1 |
A drive system includes: a remote drive configured for being driven by an electrical motor; and an actuator spaced apart from and fluidically coupled with the remote drive and configured for being fluidically powered by the remote drive.
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WO/2024/086379A1 |
A valve system is configured to provide thermal pressure relief for an actuator, which is controlled by a first control valve that is operated by a smaller pilot valve. The valve system includes a third valve configured to relief pressur...
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WO/2024/086378A1 |
A control valve includes a poppet assembly with an integral relief valve function. The control valve includes a valve body defining a first port and a second port in communication with a first bore. A main poppet is moveable within the f...
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WO/2024/076971A1 |
A valve assembly includes a conduit comprising a first end and a second end and two control valves. Each valve comprises three ports and a spool for selectively adjusting a proportion of fluid flows through two of the ports. First ports ...
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WO/2024/066127A1 |
A high-pressure large-flow high-water-based cartridge-type digital throttle valve and a control method, the throttle valve comprising a main valve and pilot valves. The main valve uses a symmetrical cylinder type structure and is provide...
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WO/2024/063178A1 |
An embodiment of the present invention relates to a fire extinguishing system of a ship using an automatic long jet monitor, wherein: a camera module detects a fire in real time and a controller operates a jet monitor unit according to f...
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WO/2024/051798A1 |
Provided are a hydraulic system for a hybrid gearbox and an automobile. The hydraulic system comprises a first drive pump (1), a second drive pump (2), a high-pressure oil passage (3), a low-pressure oil passage (4) and a control valve s...
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WO/2024/046523A1 |
The invention relates to a hydraulic control (1) of plate-form design, having a control plate arrangement (2) which comprises at least two control plates (3, 4), between which an intermediate element (5) is arranged, which has apertures ...
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WO/2024/048813A1 |
A hydraulic machine comprising: an actuator; a high pressure accumulator; a high pressure line that supplies pressure oil to the actuator and to which the high pressure accumulator is connected; a pump that supplies pressure oil to the h...
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WO/2024/039904A1 |
A modular hydraulic valve can be used to operatively couple one or more pumps to one or more consumers without the need for spacing elements between adjacent valve sections. The modular valve can include a valve stack secured between two...
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WO/2024/027913A1 |
The invention relates to a valve assembly for controlling at least one connection of a hydraulic load, comprising a valve housing with at least one valve integrated therein, said valve preferably being in the form of a proportional valve...
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WO/2024/023809A1 |
The present invention relates to an elevatable chamber and a method for operating same and, specifically, to an elevatable chamber including a chamber body, a chamber frame, an air cylinder, and a control unit as elements thereof, and a ...
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WO/2024/016529A1 |
A leveling hydraulic control system and an aerial work platform. The leveling hydraulic control system comprises: a main oil path (100); a leveling oil path (200), the leveling oil path (200) comprising a first leveling oil cylinder (210...
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WO/2024/011762A1 |
Provided is a hydraulic monitoring system, which comprises: an injection pump, an injection head motor and an oil tank, the injection pump being connected to the oil tank, and the injection head motor being connected to the injection pum...
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WO/2024/007507A1 |
A hydraulic control system, a control method for a hydraulic control system, and a boom. The hydraulic control system comprises: a first proportional valve (100); a solenoid directional valve (200), a first oil port (c) of the solenoid d...
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WO/2024/010165A1 |
The present invention relates to a battery exchange apparatus for an electrically driven tractor, which connects the apparatus to a hydraulic port used in a front loader mounting unit of the tractor to supply hydraulic oil to exchange a ...
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WO/2024/000738A1 |
The present application relates to the technical field of fracturing trucks, in particular to a closed hydraulic system, a fracturing truck, and a closed hydraulic system control method. The closed hydraulic system comprises an open-loop...
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WO/2024/001133A1 |
The present invention relates to the field of engineering machinery, and provides an operating handle, a rotation control system, and an operation machine. The operating handle comprises a handle (1) and a valve seat (2); positions, corr...
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WO/2024/006555A1 |
Disclosed embodiments of power machines (10), implements (20) and hydraulic systems utilize a hydraulic flow control circuit (135; 235; 335; 435; 535) and method to implement multiple modes of operation while optimizing hydraulic fluid f...
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WO/2024/001145A1 |
A hydraulic power system and a work machine. The hydraulic power system comprises: a hydraulic oil tank (3), an engine (1), a motor (2), a first pump set, and a second pump set; the engine (1) is connected to the first pump set, and the ...
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WO/2023/241183A1 |
A multipurpose hydraulic valve body (12) of a deep-sea hydraulic submersible. The multipurpose hydraulic valve body comprises a filter (1), an overflow valve (3), a return throttle valve (4) and an oil tank (10). The multipurpose hydraul...
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WO/2023/236207A1 |
A power system, comprising: an oil tank (10); a reduction gearbox (20) having a lubricating system, wherein the lubricating system is in communication with the oil tank (10); and a hydraulic system, comprising a hydraulic actuator, where...
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WO/2023/232034A1 |
Provided are a hydraulic system and a work machine. The hydraulic system, used for controlling a hydraulic execution mechanism of the work machine, comprises a first hydraulic pump, a second hydraulic pump, a valve assembly and a control...
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WO/2023/232331A1 |
The invention relates to a valve arrangement for a mobile working machine (1), said valve arrangement comprising: a hydraulic consumer (47, 50); at least one directional control valve (30, 31, 55, 64) which is connected to a pressure lin...
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WO/2023/234641A1 |
The present invention relates to an energy regeneration function-incorporated drop-prevention hydraulic valve system for boom cylinders for construction equipment, and to an energy regeneration function-incorporated drop-prevention hydra...
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WO/2023/234643A1 |
The present invention relates to a parasitic load-reducing energy conversion system for a construction machine, which can reduce a parasitic load carried by an engine, in a state where the construction machine has no energy recovered. Th...
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WO/2023/234642A1 |
The present invention relates to a boom energy recovery system comprising a hydraulic valve assembly for falling prevention of a boom cylinder for construction equipment, including an energy regeneration function, in which a boom energy ...
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WO/2023/234630A1 |
A diagnostic device and a diagnostic method for determining the state of an accumulator are disclosed. The diagnostic device, which is installed in a construction machine provided with a cylinder operated to move up or down by the flow o...
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WO/2023/229407A1 |
The present invention relates to a boom energy and swing energy recovery system for mobile device-linked construction equipment and relates to a boom energy and swing energy recovery system for mobile device-linked construction equipment...
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WO/2023/227252A1 |
Problem: Calibration to make the correspondence relationship between the operation amount of the operator and the supply flow rate to the hydraulic actuator be a preset setting relationship is made easy. Solution: The control valve (6) t...
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WO/2023/229408A1 |
The present invention relates to a boom energy recovery hydraulic system for construction machinery and, more particularly, to a boom energy recovery hydraulic system for construction machinery for recovering boom energy discarded when a...
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WO/2023/221434A1 |
A shield construction control system, a control method, and a tunnel boring machine. The shield construction control system comprises a control assembly (100). The control assembly (100) comprises: at least two thrust cylinder groups (4)...
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WO/2023/216522A1 |
Provided are a fan yaw hydraulic brake and a braking system. The fan yaw hydraulic brake comprises an upper clamp body (9) and a lower clamp body (10), which are oppositely and vertically arranged, at least one brake piston cylinder (1, ...
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WO/2023/217633A1 |
The present invention relates to a hydraulic valve assembly (10) having a connection block (12) and at least one valve section (14.1...14. n) hydraulically connected ot the connection block (12), wherein the hydraulic valve assembly (10)...
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WO/2023/208440A1 |
The invention relates to a method for operating a fluid reservoir system (2) having at least one fluid tank (4), in which the fluid is stored under pressure; at least one valve unit (6) that is functionally paired with the fluid tank (4)...
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WO/2023/206997A1 |
Disclosed is a speed control valve (1), which can accurately control the flow of an emulsion, thereby accurately adjusting the position of a hydraulic support (7), and reducing the impact of the emulsion occurring to a straightening syst...
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WO/2023/194623A1 |
A brake system for a driving simulator, the brake system comprising a master cylinder chamber and a slave cylinder chamber which are arranged in fluid communication via a hydraulic system. The master cylinder chamber comprising a master ...
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WO/2023/193594A1 |
The present invention relates to a proportional valve, comprising: a valve core; an adjustment mechanism; and a first control handle, the first control handle being connected to the adjustment mechanism, and the adjustment mechanism movi...
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WO/2023/185080A1 |
Disclosed in the present invention are a blast furnace body jacking and sliding device, system and method. The device comprises a sliding groove, a sliding shoe and a push-pull device; the sliding shoe and the push-pull device are contro...
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