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WO/2023/078925A1 |
The invention discloses an electronic control unit of a hydraulic drive or for a hydraulic drive which has at least one power source and at least one subscriber which can be supplied with a physical variable by said power source and has ...
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WO/2023/070969A1 |
A hydraulic control valve group, a hydraulic system, and an operation machine. The hydraulic control valve group comprises a proportional valve (1) and a pressure regulating valve (2), wherein the pressure regulating valve (2) comprises ...
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WO/2023/065625A1 |
An engineering machine electro-hydraulic composite energy storage driving system and a control method of the system. The system comprises: a plurality of pressure sensors, a generator controller (19) and an operating electric motor contr...
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WO/2023/067018A1 |
The invention relates to a hydraulic controller (2) for a motor vehicle (1), comprising a multiplicity of lines (3, 4), wherein at least one first line (3, 4) is connected to at least one second line (3, 4), wherein the at least one firs...
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WO/2023/064167A1 |
A rinsing system includes: a pump control module configured to, when a hydraulic line is connected to a port that is fluidly connected to a hydraulic line of a suspension system, selectively operate a hydraulic fluid pump of the suspensi...
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WO/2023/064169A1 |
A system for grading filling of a suspension system includes: a pump control module configured to, during first and second periods, operate an electric pump of the suspension system in first and second directions and decreasing and incre...
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WO/2023/061522A1 |
The invention relates to a cylinder degassing unit, comprising a basic body, an inner discharge portion, an annular chamber and an outer discharge portion, wherein the basic body is designed to be arranged in a positionally fixed manner ...
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WO/2023/062164A1 |
The invention relates to an electrohydraulic actuating device (10) comprising an electric motor (1) and a pump (2) driven thereby for operating a hydraulic unit (3) comprising a control cylinder (4), a piston (5), and a piston rod (6) wh...
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WO/2023/063770A1 |
Disclosed is a concentric type pneumatic motor comprising: a case having a cylindrical inner space; and a rotor having a rotational center shaft, which is concentric with respect to the rotational center axis of the case, being provided ...
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WO/2023/057678A1 |
The invention relates to a refrigerated mechanical drying device consisting of a cylindrical container or jacket (1) having a pair of upper (2') and lower (2") covers or heads (2), to which a pressurised air system is connected, the lowe...
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WO/2023/057176A1 |
The invention relates to a hydraulic compact axle (10) comprising an actuator assembly (40), a pump assembly (50; 50'), a motor assembly (80), and a volume compensation assembly (90), which are each arranged concentrically with respect t...
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WO/2023/056222A1 |
A water-mediated thermal conditioning system. The thermal conditioning system includes a first thermal fluid circulation system and a heat exchanger. The circulation system includes a dispersed fluid region through which the heat exchang...
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WO/2023/053736A1 |
A hydraulic system that comprises: a main hydraulic circuit comprising an open circuit that has a main pump, a work machine cylinder, a main valve that controls the inflow of hydraulic oil from the main pump to the work machine cylinder,...
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WO/2023/043354A1 |
A method (100) of operating a compressed air system (1) of a vehicle (2) is disclosed. The compressed air system (1) comprises a purge valve (55) controllable to an open state to vent air from the compressed air system (1) at a location ...
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WO/2023/041473A1 |
The invention relates to a hydraulic drive system for operating a hydraulic cylinder in a first movement profile and in a second movement profile. The hydraulic drive system has a hydraulic cylinder comprising a first cylinder chamber an...
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WO/2023/041476A1 |
The invention relates to a hydraulic drive system for operating a hydraulic cylinder in a first movement profile and in a second movement profile. The hydraulic drive system contains: a hydraulic cylinder comprising a first cylinder cham...
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WO/2023/036683A1 |
The invention relates to a hydraulic drive (1) for a mobile working machine, preferably an excavator with a swingable hydraulic machine (4) which is hydraulically connected to first load cylinders (44), drives same, and can regenerate po...
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WO/2023/037759A1 |
A hydraulic unit (1) comprising an oil tank (10) that stores a hydraulic oil, a hydraulic pump (30) that supplies the hydraulic oil inside the oil tank (10) to an actuator, a first return pipe (L1, L2) that returns the hydraulic oil to t...
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WO/2023/020715A1 |
PROBLEM: To provide a relief pressure control device in which a relief pressure can be set easily, and further power consumption is suppressed. SOLUTION: A relief pressure control device (8) is equipped with a relief valve (5) in which a...
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WO/2023/018125A1 |
A hydraulic system according to an embodiment of the present invention comprises: a main hydraulic pump for discharging a hydraulic fluid; a plurality of driving apparatuses operating by receiving the hydraulic fluid; a parallel flow pat...
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WO/2023/016855A1 |
The invention relates to a method for operating an electrically driven hydraulic system (10) which comprises a hydraulic machine (12) and an electric machine (13) which are in rotary drive connection with each other. The electric machine...
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WO/2023/014540A1 |
A hydraulic system may include a first actuator to control a first linkage member, a second actuator to control a second linkage member, a first primary hydraulic circuit and a first secondary hydraulic circuit that include the first act...
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WO/2023/014612A1 |
According to an embodiment of the present disclosure, there is provided a hydraulic power unit, HPU, for providing a pressurised hydraulic fluid to a material testing apparatus, the HPU comprising: a reservoir for storing a hydraulic flu...
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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/2023/007151A1 |
There is provided a controller (320) for a hydraulic machine (310), the hydraulic machine (310) in a hydraulic circuit including a hydraulic actuator, having a rotatable shaft in driven engagement with a prime mover, and defining a plura...
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WO/2023/006315A1 |
The invention relates to a rail vehicle (10) with an arrangement (12) for generating and preparing compressed air (D), in which a compressor (30) of the arrangement (12) is designed to generate the compressed air (D), a condensate-separa...
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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/2023/006238A1 |
A hydraulic system can include a hydraulic actuator including a piston rod slidably disposed within a housing having a base-side port and a rod-side port, a hydraulic pump, a hydraulic reservoir, an accumulator, a first control valve ope...
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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/2023/006454A1 |
The invention relates to a hydraulic unit (10) for providing a pressurized hydraulic fluid for driving a coupled hydraulic actuator (12), comprising: - a motor (30) which is disposed in a motor housing (28); - a hydraulic accumulator (40...
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WO/2023/006237A1 |
A hydraulic system can include a hydraulic actuator including a first port and a second port.; a hydraulic pump; a hydraulic reservoir; a first control valve operable to selectively control flow from the hydraulic pump to the first port;...
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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/2023/003769A1 |
A hoist valve assembly for a work machine cylinder includes a main control valve, a counterbalance valve and a counterbalance shutoff valve. A main control valve raise position connects a head end of the cylinder with a pressurized fluid...
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WO/2023/287272A1 |
The present invention relates to a method and an application for eliminating gaseous cavitation. The method can be used to determine the types of problems that cause cavitation, such as angular velocity (RPM), temperature, differential p...
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WO/2023/279633A1 |
A vehicle end turning angle hydraulic device and a control method therefor. The device comprises a hydraulic pump device (10) and a plurality of servo hydraulic cylinder devices (20); the hydraulic pump device (10) is used for supplying ...
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WO/2022/263372A1 |
The invention proposes a method for diagnosing feed-air pressure fluctuations and/or leaks at the outlet in a proportionally controlled double-cone air power booster, by initially measuring a downstream step change in the control setpoin...
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WO/2022/258298A1 |
The invention describes a method of operating a hydraulic system (1) of a plant to resume operation from a minimum operating temperature (Tcold) of the plant, the hydraulic system (1) comprising a plurality of electronically operated val...
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WO/2022/257780A1 |
The present application provides a deviation correction method and apparatus for traveling of a working machine. The working machine comprises: a first pump, a second pump, a first motor, and a second motor. The first pump is connected t...
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WO/2022/254403A1 |
A load sense hydraulic system includes pressure sensors that provide feedback to an electronic controller to monitor a pressure margin between a pump supply pressure and an actuator meter-in load pressure. Pre-collapse and collapse of th...
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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/2022/248249A1 |
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/2022/240673A1 |
A work machine includes a frame, a traction system supporting the frame, an implement system supported by the frame, and a hydraulic system. The hydraulic system includes a hydraulic oil tank, a control circuit, an oil cooler, and a cool...
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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/2022/233495A1 |
The invention relates to a degassing device (10) for oil-based liquids and to a method for degassing an oil-based liquid by means of a device of this type. The degassing device (10) comprises: a housing (12), in which an oil-based liquid...
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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/2022/228257A1 |
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/2022/229480A1 |
The present invention relates to a device that consists of a cylindrical sleeve (1), comprising a pair of upper (2') and lower (2'') cylinder heads (2), to which the pressurised air installation is connected; wherein the cavity inside th...
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WO/2022/231556A1 |
The invention is related to soft actuators controlled by fluid pressure. The actuators developed with the invention comprise two sacs which provide for the flexion of a structure upon pressurizing this structure that has an anisotropic f...
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WO/2022/228869A1 |
The invention relates to a compressed-air supply system (10) for a vehicle (1000), comprising: - a compressor (400) which is designed to provide compressed air (DL), and - a storage container (600) having a container wall (604), which st...
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WO/2022/218818A1 |
The invention relates to a hydraulic drive, comprising a variable-rotational-speed drive machine (2) and a hydraulic machine (4), which is coupled to said drive machine and has a displacement volume which can be adjusted to zero and both...
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