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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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WO/2023/179803A1 |
A hydraulic load hierarchical control system and method for an indirect wave energy apparatus. The system comprises a first hydraulic cylinder group (1), a second hydraulic cylinder group (2), a third hydraulic cylinder group (3), a high...
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WO/2023/174725A1 |
The invention relates to a valve module system (1) for providing a compressed-air consumer (82) with compressed air, wherein valve modules (4) can be provided with differently configured channel plates (5) for the purpose of fluidic comm...
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WO/2023/174643A1 |
The invention relates to a valve module system (1) for providing a compressed-air consumer (82) with compressed air, wherein valve modules (4) are provided with differently configured channel plates (5) for the purpose of fluidic communi...
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WO/2023/165745A1 |
The invention relates to a valve, in particular a proportional valve, comprising a main plunger for controlling a main volume flow and comprising a pilot-control plunger (12) for controlling a pilot-control volume flow, wherein the main ...
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WO/2023/166075A1 |
The invention relates to a valve, in particular a proportional valve, comprising a main piston (10) for actuating a main volumetric flow and a pilot piston (12) for actuating a pilot volumetric flow. The main piston (10) and the pilot pi...
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WO/2023/166073A1 |
The invention relates to a valve, in particular a proportional valve, comprising a main piston (10) for actuating a main volumetric flow and a pilot piston (12) for actuating a pilot volumetric flow. The main piston (10) and the pilot pi...
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WO/2023/162691A1 |
A solenoid valve manifold (10) comprises a connector member (70) constituted by integrating, with a base (71): a first connector part (80) configured so as to electrically connect a first conductive member (52) and a circuit board (41) t...
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WO/2023/160239A1 |
A descending hydraulic-control method, a descending hydraulic-control system and engineering machinery. The descending hydraulic-control method comprises: acquiring a pressure value of a rodless cavity of a luffing cylinder; when the pre...
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WO/2023/160245A1 |
A throttling control-based pressure stabilization system for a hydraulic excavator and a use method therefor. A primary pump (1) is connected to a pump-controlled proportional valve YI (15); a connecting end of a selector valve (11) is c...
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WO/2023/159905A1 |
A rod head connecting assembly, a hydraulic cylinder, and an operation machine. The rod head connecting assembly comprises: a rod head body (100), a rod head flange (200), and an oil pipe (301). The rod head body (100) is provided with a...
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WO/2023/156185A1 |
Throttle valve arrangement for hydrostatic units, comprising a valve housing with a through hole in which a cylindrical bushing is inserted, whose axial openings form a discharge port and a charge port of the throttle valve. An undercut ...
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WO/2023/155406A1 |
The present application discloses a valve control device applied to a waste gas treatment system, comprising a gas input end (A1), a control module (10), a first valve (11), a second valve (12), an execution module (13), and a control va...
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WO/2023/151196A1 |
A hydraulic system and a rotary drilling rig. The hydraulic system comprises: a main pump (10); an auxiliary valve group (20), an inlet (21) thereof being in communication with the main pump; a winch motor (30), a working oil port (22) o...
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WO/2023/152634A1 |
A hydraulic-mechatronic system, for a vehicle that is connected to a target system, includes a housing with a fluid reservoir containing fluid, a communication port, a hydraulic pump, an electric motor for driving the hydraulic pump, at ...
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