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WO/2020/097699A1 |
The present patent relates to a hydraulic unit (U) that is compact and multifunctional since it is composed of two hydraulic pumps (1 and 2) positioned in parallel, with an interposed pneumatic cylinder (3), the shaft of which is coupled...
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WO/2020/097700A1 |
The invention comprises a smart system that provides a machine or item of equipment with just the quantity of oil that will be used to perform one particular movement or more than one movement, thereby dispensing with supplying excess oi...
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WO/2020/087139A1 |
The invention comprises a system containing a multipurpose hydraulic unit that can be used in machines and equipment, driven by low-pressure compressed air or other gases, comprising two hydraulic pumps that work together with a hydrauli...
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WO/2020/087140A1 |
The present invention patent relates to a hydraulic unit (U) with a pneumatic cylinder (15) that works in conjunction with a servomotor (M), together with a ball screw (29) to together move a hydraulic piston pump (8) made up of a hydrau...
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WO/2020/084947A1 |
This accumulator structure comprises a spool hole (90) that has an opening (902a) and a spool (92) that is inserted through the opening (902a). The spool (92) has a second land portion (922) and a first land portion (921) having a larger...
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WO/2020/078586A1 |
[PROBLEM] To provide a drift-prevention valve device, a blade device, and a working machine capable of operating an actuated unit and preventing the machine body from drifting with a simple configuration. [SOLUTION] The drift-prevention ...
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WO/2020/078555A1 |
The invention relates to a hydraulic energy handling system (16) for a working machine (10). The hydraulic energy handling system (16) comprises a high-pressure side (54); a low-pressure side (56); a hydraulic machine (58) for mechanical...
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WO/2020/071977A1 |
A system (1) for condition monitoring of at least one component of a pressurized fluid system, said pressurized fluid system comprising at least one first tank (3) and at least one first pressurizing device for pressurized fluid (4) such...
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WO/2020/067084A1 |
Provided is a fluid circuit that uses a load sensing system and has high energy efficiency. The fluid circuit comprises: a pressure fluid source 2 for supplying a pressure fluid; a plurality of actuators 8, 9 connected to the pressure fl...
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WO/2020/065662A1 |
The present disclosure relates to a miniature pressure compensating device (10), for balancing pressure fluctuations in a hydraulic system, comprising at least one shell (12), at least one hollow hydraulic cylinder (16), at least one rec...
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WO/2020/055720A1 |
A facility for generating electricity, including a water source and a plurality of penstocks adapted for selective flow communication with the water source for delivering water from the water source to a turbine electricity generator. An...
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WO/2020/053113A1 |
A bellows accumulator, consisting of at least one accumulator housing (2) and comprising a separation bellows (20) which: is movably disposed in the accumulator housing (2); has a number of bellows convolutions; separates two media chamb...
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WO/2020/053123A1 |
A bellows accumulator, consisting of at least two housing parts (4, 6), which form an accumulator housing (2), and comprising a separation bellows (20) which: is movably disposed in the accumulator housing (2); separates two media chambe...
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WO/2020/050995A1 |
The present disclosure is directed towards apparatuses (20) for operating a work tool (12) of a machine (10). The apparatus (20) comprises a cylinder (21) and a piston (22) comprising a piston head (36), the piston head (36) being mounte...
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WO/2020/035398A1 |
An electrohydrostatic actuator system comprising: a volume- and/or speed-variable hydraulic machine which is driven by an electric motor, for providing a volumetric flow of a hydraulic fluid; a differential cylinder with a piston side an...
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WO/2020/035304A1 |
The invention relates to a system for charging and discharging at least one hydraulic accumulator (10), which hydraulic accumulator can be connected to a valve control device (12), the valve control device (12) having at least one logic ...
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WO/2020/022331A1 |
This hydraulic damper comprises a core and a bladder. The core has a base and a first outer peripheral surface that protrudes in a first direction from the base and that is smooth from a side part to a tip end. The bladder is configured ...
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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/2020/015383A1 |
An oil-electric hybrid servo hydraulic press machine, comprising a sliding block (1). The top of the sliding block (1) is connected below a sliding block cylinder; the sliding block cylinder comprises a servo electric cylinder (1b) locat...
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WO/2020/002004A1 |
The invention relates to a hydraulic accumulator, particularly in the form of a piston accumulator, having an accumulator housing (10) and a separating element (20) arranged therein, particularly in the form of a piston, which separates ...
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WO/2020/005771A1 |
A gas charged cartridge 300A, 300B, 300C, 300D, 400 for use with a cylinder 302, 402 to form a pulsation control product 225, 235 is provided. The cylinder receives a fluid for the pulsation control product. The gas charged cartridge can...
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WO/2019/239208A1 |
This disclosure relates to a hydraulic system for a hydro-mechanical machine comprising a rotary mechanism 102. The hydraulic system includes a primary accumulator 114 configured to receive and store high-pressure fluid in response to st...
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WO/2019/238534A1 |
A control device for controlling a hydraulic consumer (2), such as a working cylinder, consisting of at least one control valve (18) having a control slide (20), which is guided in a longitudinal displaceable manner in a valve housing (2...
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WO/2019/226536A1 |
An accumulator charging system and method of use of an accumulator charging system are described wherein a valve system and installation tool provide for an installer fault proof connection to a blow out preventer.
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WO/2019/226937A1 |
A system and method for providing redundancy in hydraulic circuits in multi-cycle hydraulic tools is described. The problems of dysfunctional hydraulic tool due to the failure of electromechanical actuators are addressed by providing red...
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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/2019/211084A1 |
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/2019/206434A1 |
The invention relates to a hydraulic system (100) for a work machine. The system comprising: a main hydraulic machine (102) connected to an output shaft (104) of an engine (106) of the work machine for providing power to working hydrauli...
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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/2019/203688A1 |
The water supply device contains the base (1) with the distribution manifold (3) with longitudinal channels (23, 24) and transverse channels (25, 26) the accumulator (5), the inlet and outlet pipes (15, 16) the attached to the base (1) f...
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WO/2019/189375A1 |
An outer shell member (10) constituting an accumulator (100) comprising: a cover member (30); the outer shell member (10), which has a tubular section (11), an opening section (13) formed at one end of the tubular section (11) and welded...
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WO/2019/184098A1 |
The present disclosure relates to a high-efficiency transmission free forging hydraulic machine and an operation method therefor, the machine comprising: a hydraulic cylinder, a hydraulic pump and pressurized energy storage devices. The ...
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WO/2019/179800A1 |
The invention relates to a pressure accumulator comprising an accumulator housing (10) in which a movable separating element (16) separates a gas chamber (12) filled with a working gas from a fluid chamber (14) in a fluid-tight manner. A...
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WO/2019/166695A1 |
The invention relates to a power unit (10) for controlling a pressure medium for load control. In connection with it is arranged a supply circuit (50) for supplying pressure medium under pressure into the power unit (10) and a drive circ...
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WO/2019/164869A1 |
A spray nozzle assembly (10) for producing an oscillating spray discharge is provided. The spray nozzle assembly (10) includes a nozzle body (14) with a liquid inlet passage (18) that converges via an inwardly converging conical section ...
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WO/2019/154607A1 |
A piston accumulator, comprising an accumulator housing and a separator piston (8) which is guided such that it can move longitudinally in said housing and which separates a liquid side (4) from a gas side (10) in the accumulator housing...
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WO/2019/145664A1 |
The present invention relates to an auxiliary system for starting or restarting the flow of gelled fluid contained in a pipeline (12) wherein the system comprises: at least one relief tank (13) fluidly connected (11) to the pipeline (12)...
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WO/2019/145800A1 |
A pneumatic actuator (240), comprising: a pressure reducer (270) for delivering gas under a reduced pressure to a control valve; the control valve (280) selectively supplying gas to a pneumatic cylinder (290) or discharging gas from the ...
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WO/2019/125628A1 |
This invention provides output gain by rotating a solid wheel from the center of mass as an input and connecting a lever to the edge of the same wheel at 180 degrees apart to each other. Each lever is connected at 180 degrees apart at th...
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WO/2019/125123A1 |
The invention relates to a fluid pressuriser having a design which makes it possible to manipulate fluids at high temperatures, obtaining high pressures with great precision, which has many applications in residential and industrial syst...
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WO/2019/086769A1 |
The invention relates to a multi-process machine including a base machine, a boom assembly and a felling head for felling and further processing trees. The system is provided with at least one pressure accumulator (2.1) for increasing th...
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WO/2019/085491A1 |
A return cylinder for a hydraulic machine and an operating method thereof. The return cylinder for a hydraulic machine comprises multiple single-rod return hydraulic cylinders (5) symmetrically arranged at two sides of a main hydraulic c...
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WO/2019/083564A1 |
An apparatus includes a bootstrap accumulator (100) having multiple fluid expansion volumes each configured to receive fluid. The bootstrap accumulator also includes a piston assembly (116) configured to move within the fluid expansion v...
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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/2019/072728A1 |
The invention relates to an electrohydraulic system having an adjustment apparatus (1) for a valve (2), having a drive device (3), an actuating device (4) and a pre-tensioning device (5), wherein, in the event of a malfunction, the energ...
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WO/2019/073114A1 |
A hydraulic system comprising: a pressure line (40); a pump (12); an actuator (22); a valve device (38) configured to control the flow of pressurized hydraulic fluid to the actuator (22); an electronic control unit (30) configured to con...
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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/2019/074419A1 |
Herein a hydrodynamic retarder device (1) is disclosed. The retarder device (1) comprises a shovel-equipped stator (11) and shovel-equipped rotor (13), which together forms a workspace (17). The shovel-equipped rotor (13) is connectable ...
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WO/2019/048455A1 |
The invention relates to a valve, in particular for use as a pressure balance (38) in lifting devices (2) that can be actuated hydraulically, comprising a valve housing (54) which has a control connection (40) and a fluid inlet (64) and ...
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WO/2019/049436A1 |
According to the present invention, a controller (45) is provided with: an elapsed time measurement unit (47A) which, by means of a reset signal from a reset switch (44), measures the time (tx) elapsed since the initial use of an accumul...
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