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WO/2021/109649A1 |
A liquid supply system for an emulsion pump station comprises a bottom support component (1). An accumulator (2), a liquid supply component (3), and a liquid collection component (4) are disposed on the bottom support component (10). A f...
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WO/2021/108306A1 |
Provided is a tank including a polymeric upper dome having a neck with a through passage, a polymeric lower dome having a neck with a through passage, a polymeric shell having a first end connected to the upper dome and a second end conn...
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WO/2021/097699A1 |
A hydraulic system, which comprises: an accumulator (7), a hydraulic cylinder (6) including a rod cavity (62) and a rodless cavity (61), a hydraulic pump (5), an oil tank (4), a first valve assembly (1) and a second valve assembly (2). T...
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WO/2021/095066A1 |
An hydraulic apparatus (100) for energy recovery in an operating machine comprising an hydro-pneumatic accumulator (14) able to accumulate, during the operation of lowering of an operative load (111) by an operating machine (1), a volume...
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WO/2021/093301A1 |
An energy recycling device, comprising a three-position seven-way reversing valve (7), a dual-oil source coupler (8), and an energy accumulator (6). The three-position seven-way reversing valve (7) comprises a middle position, an energy ...
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WO/2021/092101A1 |
A hydraulic tank (150) for a machine (10) is disclosed herein. The hydraulic tank (150) includes a casing (155) defining an interior space and having an outer surface (156), an inner surface (157) opposite the inner surface (157), and a ...
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WO/2021/089397A1 |
The invention relates to a piston accumulator comprising an accumulator housing (4) and a separating piston (10) which is guided therein in a longitudinally displaceable manner, which separates two media chambers (12, 14) from one anothe...
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WO/2021/078727A1 |
The invention relates to a hydrostatic cylinder with a gas pressure accumulator, which is preferably designed as a piston accumulator, and which is arranged concentrically on the outer circumference of the cylinder. According to the inve...
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WO/2021/077229A1 |
A hydraulic device having: a plurality of main piston-cylinder arrangements, each of the respective pistons having a fixed stroke length and configured for axial reciprocation within their respective cylinder; a plurality of flow control...
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WO/2021/071687A1 |
The present disclosure provides a method of operating a machine comprising a work tool and an apparatus mounted thereto. The apparatus comprises a gas spring arrangement comprising a first gas chamber defined by a piston head moveably mo...
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WO/2021/056659A1 |
An open hydraulic pump-controlled motor-driven rotary forging press machine, mainly comprising: pinions (1), racks (2), stop wheels (3), balance cylinders (4), a sliding block (5), guide rails (6), a main frame (7), and an electrohydraul...
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WO/2021/052682A1 |
The invention relates to a piston accumulator (10) for storing a fluid, having: an outer housing (12), which has an accommodation space (14); an inner tubular element (18), which is formed separately from the housing (12), is situated in...
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WO/2021/052729A1 |
The invention relates to a piston accumulator having a piston-cylinder unit, the hydraulic chamber (5) of which can be connected to a hydraulic line (15). A pressure piston (3), preloaded with a preloading force (Fv), acts on the hydraul...
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WO/2021/052549A1 |
The invention is a metal sleeve having an elastomer sheath that temporarily transforms into an air cushion in order to reduce the shock wave of a liquid by using the energy generated by transient phenomena during interruptions to the flo...
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WO/2021/041190A1 |
An accumulator piston configured to be situated within an accumulator bore of a housing for use in vehicle transmissions. The accumulator piston including a casing, the casing including a top surface, a bottom surface opposite the top su...
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WO/2021/031436A1 |
A differential control mold opening and closing control loop of a vulcanizing machine. The mold opening and closing control loop comprises a proportional valve (1), a balance valve (2), a mold opening and closing oil cylinder (3), and an...
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WO/2021/031484A1 |
A high-capacity bladder type constant pressure accumulator and an application thereof. The accumulator comprises a housing (1), as well as a bladder (2), a variable-area piston (4), a floating piston (5), a piston (8) and a flange (11) p...
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WO/2021/031639A1 |
A winch potential energy real-time recycling system and a control method therefor. Said system comprises a main pump (2), an auxiliary pump (18), a main reversing valve (4), a potential energy recovery reversing valve (13) and a balance ...
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WO/2021/027996A1 |
A system for storing and releasing energy, comprising at least one potential energy store (1) and at least one chemical energy store (2, 3), wherein the potential energy store (1) and the chemical energy store (2, 3) are operatively conn...
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WO/2021/023072A1 |
Disclosed are a make-up and break-out device, a rotary hydraulic driving device, and a hydraulic cylinder synchronous positioning device, belonging to the field of oil and gas development. The make-up and break-out device comprises: a ba...
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WO/2021/010057A1 |
Provided is an intermittent coating apparatus that can perform intermittent coating without using a recovery valve, increase conveying speed of a substrate, and effectively reduce protuberances and hollows at a coating start end and a co...
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WO/2021/004397A1 |
A large flow valve-pump joint control emulsion pump station and a control method therefor, particularly suitable for use in the field of coal electromechanical equipment hydraulic systems. A valve-controlled liquid supply system is added...
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WO/2021/005321A1 |
The present disclosure provides a linear actuator assembly (100) comprising a plurality of hydraulic cylinders (110); a manifold block(120) in fluid communication with at least one of said plurality of hydraulic cylinders (110); a contro...
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WO/2021/003761A1 |
A hydraulic tension system of a direct-pulling cold/warm rolling tester, relating to the technical field of hydraulic control. The hydraulic tension system comprises a constant-pressure oil source system (45), a left tension control unit...
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WO/2020/260129A1 |
The invention relates to a hydraulic control block for controlling the supply of a pressure medium to an actuator of a hydraulic or servo-hydraulic axle, comprising a main part through which pressure medium channels pass and comprising a...
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WO/2020/249421A1 |
A hydraulic unit (100) for a dock leveler (200), wherein said hydraulic unit (100) comprises an hydraulic pump (106) driven by an electric motor (102), a hydraulic oil reservoir (101), at least one oil conduit (108, 110) being configured...
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WO/2020/249267A1 |
An energy storage system is provided. The system comprises an energy storage device comprising: a pressure vessel configured to store pressurised fluid; and one or more resilient elements, wherein the resilient elements comprise a plural...
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WO/2020/248406A1 |
A constant decelerating hydraulic system for the safe shifting braking of a hoister, comprising an oil tank (1), a motor (2), a variable displacement pump (3), an electromagnetic proportional overflow valve (4), a check valve, an energy ...
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WO/2020/249542A1 |
The invention relates to a device (1) for preparing and conditioning a multi-component mixture, having a mixing chamber (2) with an outlet (15), wherein the device (1) has a closure element (10), which can be displaced in the direction o...
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WO/2020/245789A1 |
A hydraulic driving system (1) for a press die (50) comprises a hydraulic cylinder (20) having a first piston (21) forming a first thrust chamber (22) and associated with an operating element (2) of the die; a first hydraulic accumulator...
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WO/2020/237455A1 |
An air-liquid pressure conversion control device. The device uses a combination of a large-diameter air cylinder and a small-diameter hydraulic cylinder, and drives a piston of the hydraulic cylinder to reciprocate by utilizing the push-...
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WO/2020/229405A1 |
The invention relates to a hydraulic drive system consisting of at least two individual units (2), each of which has a hydraulic pump (14) that can be actuated by means of a drive (12) and that feeds pressurised fluid on the output side ...
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WO/2020/232043A1 |
A damper including a pressure tube, a piston, and a reserve tube is provided. The piston is arranged inside the pressure tube and divides the pressure tube into first and second working chambers. The reserve tube extends about the pressu...
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WO/2020/227269A1 |
The present disclosure pertains to a system configured to protect flows in piping systems using minimal spare components. Some embodiments may provide: a first piping subsystem configured to receive a portion of the input flow; a second ...
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WO/2020/206931A1 |
A double-rope winding ultra-deep vertical shaft hoisting system hoisting container pose control method, comprising the following steps: step 1, building a double-rope winding ultra-deep vertical shaft hoisting subsystem mathematical mode...
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WO/2020/191372A1 |
Methods and systems are provided for improving storage of electrical power. A closed compressed gas storage system uses excess electrical power to drive a motor/generator which transfers hydraulic fluid via a hydraulic pump from a low-pr...
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WO/2020/185732A1 |
The present invention is a sensor system for a dual bottle accumulator utilized with a subsea blowout preventer that monitors piston position with a position sensor in the hydraulic bottle, the gas pressure in the associated gas bottle w...
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WO/2020/179762A1 |
This variable valve device for an internal combustion engine is provided with a variable mechanism that can be switched to a first state J1 and a second state, and an oil pressure control device for controlling an oil pressure supplied t...
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WO/2020/180227A1 |
The present invention relates to a pressure fluid handling system (37) comprising a closed pressure fluid circuit, wherein the pressure fluid circuit comprises, connected in series with each other, a compressor (31) and a pressure sink (...
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WO/2020/178832A1 |
A power drive for a passenger and/or cargo elevator—or any conveyance— using stored high pressure compressed air as a primary source, producing high pressure hydraulic fluid energy to move a servo-controlled hydraulic motor, mechanic...
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WO/2020/177611A1 |
Disclosed is an energy-saving gas-liquid booster control device. By means of an air cylinder driving two oil cylinders to act in a staggered manner, oil suction and oil discharge are performed at the same time, thereby avoiding the defec...
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WO/2020/173637A1 |
The invention relates to a method for determining a storage pressure on a media side (14) of a hydraulic accumulator (6), which is separated from a further media side (18) thereof by means of a separating element (10) using a status moni...
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WO/2020/173833A1 |
The invention relates to a refilling unit for refilling hydraulic oil into a hydraulic system pre-pressurized by a low-pressure accumulator, characterized by a reservoir, in which a reservoir chamber having hydraulic oil is disposed and ...
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WO/2020/162787A1 |
The well-water supply device contains a base (5), an elastic sealing ring (6) of elastic material and a clamping flange (7), tightened by connecting elements (30), for the installation on the casing pipe (16) of the well, a hydraulic ...
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WO/2020/160635A1 |
A method of processing a stream of compressed air travelling between a gas compressor/expander subsystem and an underground accumulator in a compressed air energy storage system may include directing a thermal storage liquid through the ...
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WO/2020/159999A1 |
An exemplary hybrid accumulator includes a piston slidably disposed in a cylinder and separating a reservoir from a pressure chamber, in use, a hydraulic fluid disposed in the reservoir and a spring disposed in the pressure chamber to ac...
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WO/2020/148667A1 |
The present invention provides an underwater-based accumulator system comprising at least one accumulator unit adapted to extract energy from a driving medium in the form of a liquid received in an inlet (13) at a pressure approximately ...
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WO/2020/142078A1 |
An active accumulator system which automatically adjusts or adapts the charge pressure or volume of an accumulator to maintain an optimal charge pressure or volume of the accumulator may provide optimal operation of a pump. An active acc...
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WO/2020/106163A1 |
Multi ratio accumulator system, comprising an accumulator (1) with a hydraulic fluid chamber (10) with a first displaceable piston (12) and at least a first gas chamber (20) with a second displaceable piston (22), and the first piston (1...
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WO/2020/099060A1 |
The electro-hydrostatic actuator system according to the invention comprises a volume-variable and/or rotational-speed-variable hydro machine, which is driven by an electric motor, for providing a volume flow of an hydraulic fluid, and a...
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