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WO/2020/043245A1 |
The invention relates to a hydraulic circuit comprising a pump (2) which is driven by a motor (4), and which pumps hydraulic fluid from a storage container (6) to a consumer (7) via a hydraulic connection (10), and comprising a return fl...
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WO/2020/039757A1 |
This clutch control apparatus is provided with: an engine (13); a transmission (21); a clutch device (26) which engages and disengages power transmission between the engine (13) and the transmission (21); a clutch actuator (50) which var...
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WO/2020/035391A1 |
According to one embodiment of the invention the digital pump axis control system is a circuit being at least partially open. The circuit comprises: an electric engine, powering a first and a second hydraulic machine, wherein the first a...
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WO/2020/027135A1 |
In the present invention, a hydraulic oil filter is determined to be clogged in a case where: a pump flow rate discharged from a hydraulic pump and/or a flow rate that flows into the hydraulic oil filter is less than a pump flow rate thr...
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WO/2020/025766A1 |
The present invention relates to an air supply unit (1) for high pressure applications, comprising an integrated air treatment unit (18) with an air inlet (20), an air outlet (22), and an exhaust port (70). The air supply unit further co...
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WO/2020/023766A1 |
Disclosed embodiments include power machines (100; 200; 300), and hydraulic systems for power machines, in which a machine controller (340) is configured to detect high temperature conditions of the hydraulic oil and to responsively cont...
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WO/2020/020314A1 |
An inertial energy storage apparatus having the function of regulating the pressure of a fluid and an energy storage method. The apparatus comprises a vacuum container (1), a pressure regulation container, a pressure transmission compone...
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WO/2020/010635A1 |
Disclosed are a hydraulic control system and method for a large-angle slewing mechanism. The large-angle slewing mechanism comprises multiple hydraulic cylinders, with output ends of the multiple hydraulic cylinders being pivotally conne...
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WO/2020/011971A1 |
A method for monitoring the condition of a hydraulic system of a metal forming plant (1) is presented, wherein the hydraulic system is coupled to or provided with a pump (2) which can be driven by a drive motor (3) for providing a workin...
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WO/2020/011959A1 |
A hydraulic system (1, 50) for a load handling vehicle comprises lifting actuator (2, C1) that operates in a load lifting mode in which a load is induced on the actuator, and a load lowering mode in which the actuator provides hydraulic ...
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WO/2020/003190A1 |
The present invention concerns an attenuation device (1) of the fluid flow pulsation along a duct of a hydraulic circuit connected with a hydraulic machine, comprising at least an attenuation module (3) passed through by a pass-through d...
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WO/2019/237190A1 |
An automatic door opening and/or closing system for automatically opening and/or closing a door in response to motion towards or away from the door is provided. Momentum of the body moving toward or away from the door may power the openi...
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WO/2019/238946A1 |
The present disclosure relates to a hydraulic circuit (100), comprising: a hydraulic displacement unit (1) for driving an implement; a hydraulic machine (9) fluidly connected or selectively fluidly connected with the hydraulic displaceme...
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WO/2019/240133A1 |
Provided is a work machine with which the responsiveness of a hydraulic actuator can be improved when driving the hydraulic actuator via an electric lever-type operation device. In the present invention, a controller 100 further has: an ...
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WO/2019/235940A1 |
The invention broadly relates to a pneumatic pumping system to pump at least one fluid from one location to another and, in some forms, to mix fluids together. The system comprises a programmable electronic controller, a data source, a p...
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WO/2019/231356A1 |
The technical solution relates to shut-off valve devices and is intended for starting and shutting off a fluid medium flow in a pipeline. The solution can be used industrially in pipeline transport systems, and domestically. A gate valve...
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WO/2019/224360A1 |
A ripple damper (10) for an aircraft hydraulic system is disclosed. The ripple damper (10) comprises a hollow, substantially spherical body (20) formed of first (34) and second (36) body portions the adjoining surfaces of which are conne...
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WO/2019/219801A1 |
This method is used to manage a pressure accumulator (1) as a component of an energy storage system, consisting of a work machine (4), a collecting tank (7), a displacement apparatus (6) and a pressure accumulator (1) for storing a press...
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WO/2019/214903A1 |
A damping device, in particular for damping or avoiding pressure surges, such as pulses, in hydraulic supply circuits, preferably in the form of a silencer, having a damping housing (2) which surrounds a damping chamber (10) and has at l...
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WO/2019/210341A1 |
The invention relates to a hydraulic system, more particularly for a lifting device, comprising: - at least one piston-cylinder assembly (1) for applying a force to at least one movable component, the at least one piston-cylinder assembl...
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WO/2019/211084A1 |
The invention relates to a damping device for fluids affected by pressure pulsations, comprising at least one hydraulic reservoir (2), the reservoir housing (4, 6) of which contains a movable separating element (18), which separates a ga...
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WO/2019/202998A1 |
The purpose of the present invention is to quantitatively or qualitatively monitor bubbles included in hydraulic oil. This system for monitoring hydraulic oil is provided with: an image data obtainment unit (51) which obtains image data ...
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WO/2019/201374A1 |
The invention relates to a clutch slave cylinder (1) having a line (2) for supplying hydraulic medium from a clutch master cylinder or a pump, having a venting valve (3) in one of the components, wherein the venting valve (3) is held in ...
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WO/2019/198579A1 |
Provided is a low cost fluid pressure circuit which can, using a fixed displacement pump, smoothly control a fluid pressure actuator in response to an operation command, and which can effectively use energy. A fluid circuit (130) is prov...
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WO/2019/195351A1 |
A linear actuator system includes a linear actuator including an outer body, an inner body disposed within the outer body, a fluid chamber at least partially extending between the inner body and the outer body, a piston chamber extending...
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WO/2019/186483A1 |
A pressure regulator comprises an outlet pressure sensor (16), a loading electromagnetic valve (18), an unloading electromagnetic valve (20) and a regulator control circuit (30) operatively connected to the loading electromagnetic valve ...
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WO/2019/177279A1 |
An electrohydraulic control device for a construction machine comprises: a control valve, installed in a hydraulic line between a hydraulic pump and an actuator, for controlling an operation of the actuator according to the amount of dis...
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WO/2019/173227A1 |
Hydraulically-amplified, self-healing, electrostatic transducers that harness electrostatic and hydraulic forces to achieve various actuation modes. Electrostatic forces between electrode pairs of the transducers generated upon applicati...
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WO/2019/171547A1 |
Provided is a work machine capable of regenerating power from return hydraulic oil from a hydraulic actuator, and capable of preventing an increase in drag loss in a hydraulic pump and a regenerative hydraulic motor, and a decrease in th...
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WO/2019/163990A1 |
This hydraulic system is provided with: a running motor; a running pump connected to the running motor to form a closed-loop and driven by an engine; a working pump that is driven by the engine, suctioning suctions hydraulic oil from a t...
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WO/2019/130451A1 |
The purpose of the invention is to allow operability to be improved by controlling speed variations of an actuator into which a reclaimed flow flows regardless of fluctuations in the reclaimed flow due to changes in the orientation of a ...
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WO/2019/126095A1 |
In an exemplary method of monitoring performance of a fluid driven actuator for a valve, pressurized fluid is supplied through an actuator supply line to an inlet port of the actuator during a first time period to operate the actuator. C...
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WO/2019/115045A1 |
The invention relates to a compressed-air system (1) for a commercial vehicle and to a method for controlling same. Electropneumatic valves (16, 18) are controlled by at least one first electrical control signal (S1) and a second electri...
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WO/2019/115028A1 |
The invention relates to a compressed-air supply system for operating a pneumatic installation in a pneumatic system of a vehicle, comprising: a compressed-air feed; a compressed-air connection point to the pneumatic installation; a vent...
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WO/2019/107602A1 |
The present invention relates to an electrohydraulic valve actuator and, more particularly, to an electrohydraulic valve actuator having a vibration reduction device, which includes a packing between a housing and a control unit board an...
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WO/2019/108628A1 |
Various implementations include a fluidic oscillator having at least one control port. The at least one control port is for introducing a control fluid into the fluidic oscillator or suctioning the fluid stream from the fluidic oscillato...
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WO/2019/101601A1 |
The invention relates to an actuator device comprising at least one solid-state actuator (130) and a hydraulic unit (120) connected mechanically to the solid-state actuator (130) in series, wherein said hydraulic unit (120) comprises a h...
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WO/2019/101603A1 |
The invention relates to a switching device which comprises at least one electrical switching contact (60) and an actuator assembly (AE) designed for clamping and having a solid-state actuator (130) and a hydraulic unit (120) that is mec...
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WO/2019/103896A1 |
The tool assembly 10 vibrates a casing string or drill string in a wellbore. The tool assembly 10 includes a housing 20, an insert 30 mounted in the housing as a fluidic agitator, and a cover 26 fitted over the insert. The insert include...
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WO/2019/098116A1 |
A drive system for construction machinery comprising a control device that controls a fuel injection valve so that the actual engine speed is a set speed, a hydraulic circuit that includes a boom cylinder to which hydraulic fluid is supp...
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WO/2019/091553A1 |
The invention relates to a hydraulic system comprising a plurality of hydraulic units (1), which each have at least one hydraulic consumer (2) in each case having a first hydraulic connection (3) and a second hydraulic connection (4); a ...
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WO/2019/089487A1 |
A technique facilitates wellbore operations and utilization of wellbore equipment, e.g. equipment comprising actuation devices for downhole tools. According to an embodiment, the system comprises a pump solution for an electrically contr...
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WO/2019/083422A1 |
Air-drying device (1) for dehumidifying air, gas, gases or the like in containers in hydraulic systems in which a variable volume of liquid and air, gas or the like is stored. The air-drying device (1) comprising at least one cooling dry...
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WO/2019/076621A1 |
The invention relates to an air preparation device (1; 1') for motor vehicles with at least a first compressed air connector (2.1) and a second compressed air connector (2.2), and a first air preparation component (3.1), and a second air...
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WO/2019/072930A1 |
This valve (1) is intended to be mounted on a base for the purpose of controlling the distribution of a fluid, and comprises a housing (2) and a plurality of orifices (0), these orifices (0) being intended for the inflow or the outflow o...
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WO/2019/072715A1 |
The invention relates to an electrohydraulic system (7) with a hydraulic load (86) and at least one closed hydraulic circuit (42). The hydraulic circuit (42) comprises at least one control means (85), a hydraulic machine (25; 55), and a ...
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WO/2019/067202A1 |
Systems and methods may be provided to digitally control both position and crossover pressure in a double-acting pneumatic actuator, in view of constraints (e.g., a deadband range comprising a set point) set on the crossover pressure. Co...
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WO/2019/060136A1 |
A closed-loop hydraulic circuit (164) associated with a swing mechanism (105) of a machine is controlled to obtain both a pressure control during acceleration and deceleration of the swing mechanism (105) and a velocity control during co...
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WO/2019/058905A1 |
Provided is a parameter estimation method by which a physical quantity affecting the dynamic characteristics of a hydraulic system is estimated as a parameter, and which can be widely applied. This method is provided with: a step for sel...
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WO/2019/052872A1 |
The invention relates to a filter assembly, in particular functioning as a portable service assembly for hydraulic applications, at least consisting of a motor-pump unit (8), which is connected to a filter element (18) by an outlet (14) ...
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