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WO/2024/079503A1 |
An apparatus for generating an ultra-high pressure fluid jet during drilling comprises a drilling motor; a housing structure connected with the drilling motor; and a drill bit assembly connected at the downstream end of the housing struc...
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WO/2024/056545A1 |
The invention relates to a pneumohydraulic pressure intensifier comprising at least one pneumatic piston coupled to a hydraulic pump. The pressure intensifier includes a regulator that can be used to adjust the hydraulic output pressure....
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WO/2024/052287A1 |
The invention relates to a position controller (1) for a pneumatic actuator for actuating a control fitting, such as a control valve, of a process plant, said position controller comprising: an electro-pneumatic converter (3), such as an...
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WO/2024/036216A1 |
A fluid control system (100; 200) for controlling flow of a process fluid can include an actuator (104; 204) and an energy storage system (102; 202). The actuator can be configured to actuate a valve (120) to control the flow of the proc...
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WO/2023/243704A1 |
Provided is a pressurization device capable of pressurizing an object at a substantially constant force with a compact structure. This pressurization device comprises a pressure accumulator 10, a piston 4 having a small-diameter part 4...
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WO/2023/241413A1 |
A pressurizing container, comprising the following segments sequentially distributed from upstream to downstream: a first straight line segment (11) having a length-to-diameter ratio of greater than 5; a second arc segment (12) that is a...
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WO/2023/243703A1 |
The objective of the present invention is to provide a pressure applying device capable of applying pressure to a workpiece with a substantially constant force, using a compact structure. The pressure applying device comprises a pressu...
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WO/2023/183622A1 |
A pressure exchanger includes a rotor configured to exchange pressure between a first fluid at a first pressure and a second fluid at a second pressure. The rotor forms ducts that are routed from a first distal end to a second distal end...
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WO/2023/142892A1 |
A liquid pressure calibration apparatus, a first liquid path (200) and a second liquid path (300) having different pressure output ranges being arranged in parallel between a liquid pressure introduction port (A) and a liquid pressure ou...
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WO/2023/123631A1 |
Disclosed in the present invention is an intelligent stepping pressurized cylinder, comprising a plurality of mounting plates and a spindle. The plurality of mounting plates are uniformly distributed around the circumference of the spind...
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WO/2023/106037A1 |
Provided is a small and low-cost hydraulic transmission. When a fluid pressure is applied to a left driving pressure chamber 36, an internal piston 31 moves right, an operational fluid L2 in a right pressure chamber 35 is pushed out to...
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WO/2023/093961A1 |
The present invention relates inter alia to a hydraulic device which may be used as a hydraulic transformer. The hydraulic device comprising a housing, a first tubular cavity and a second tubular cavity both being provided within the hou...
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WO/2023/048044A1 |
Provided is a fluid circuit that makes it possible to continuously drive an amplification device by means of a simple configuration. A plurality of amplification devices 10, 10A are connected in parallel in a fluid supply device 6 that...
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WO/2023/283454A2 |
A system includes a pressure exchanger (PX) configured to receive a first fluid via a first inlet and a second fluid via a second inlet. The PX is to exchange pressure between the first fluid and the second fluid and provide the first fl...
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WO/2022/254262A1 |
A pressure multiplier (1) comprises a cylinder assembly, a command device (20; 200), and an electronic control unit (30). The electronic control unit is configured to obtain the switching signal to be provided to the command device (20; ...
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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/2022/209968A1 |
Provided is a fluid circuit capable of continuously driving an amplifier with a simple configuration. The present invention comprises: a first switching valve 8 for switching between flow paths 70, 80 and first flow paths 80, 81 in acc...
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WO/2022/209969A1 |
Provided is a fluid circuit that can continuously drive an amplifying device with a simple configuration. The fluid circuit comprises a first selector valve 8 and a second selector valve 130. According to a change in a fluid pressure t...
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WO/2022/187879A1 |
The invention relates to a device for controlled supply of high-pressure fluid. In order to minimise the disadvantages of the prior art with regard to a complicated structure, notable wear and complex controllability at low speed and to ...
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WO/2022/089855A1 |
The invention relates to a cleaning device (100) for a vehicle (1000) for providing a liquid cleaning pulse (FRI) and/or a compressed-air cleaning pulse (DRI) for at least one cleaning nozzle (320), having a pressure cylinder (220) with ...
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WO/2022/008803A1 |
A balancing arrangement (1) for a hydraulic system (2) com-prises a first rotating unit (3) configured to be connectable to high-pressure line (4) of a hydraulic system, and a second ro-tating unit (5) mechanically coupled to the first r...
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WO/2021/138679A1 |
The invention of the present disclosure, comprises a system including at least one hydraulic intensifier circuit accepting a supply pressure and returning a boosted pressure that is higher than the supply pressure, and at least one regul...
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WO/2021/132569A1 |
A first piston (114) of a first cylinder (110) and a second piston (134) of a second cylinder (130) are connected so as to achieve the same amount of displacement. One pressure-receiving area of the first piston (114) is the smallest, an...
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WO/2021/118064A1 |
A non-powered fluid pressure-intensifying apparatus according to the present invention, which can itself intensify the pressure of introduced fluid and discharge same without a separate external power supply or adjustment device, may com...
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WO/2021/118771A1 |
Devices, systems, and methods for detecting properties of motion of at least one component of fluid exchange devices, such as, for example, a pressure exchange device or system.
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WO/2021/092001A1 |
Aspects of the disclosure relate to a hydraulic amplifier (100). The hydraulic amplifier may include a piston body (110) having a movable piston (210) that divides an interior of the piston body into a first chamber (222) and a second ch...
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WO/2021/068931A1 |
Provided is a pressurization method for a fluid (1). The method uses a fluid pressure regulating device, the fluid pressure regulating device comprising a containing cavity (20) used for regulating the pressure of the fluid (1) and a mec...
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WO/2021/014330A1 |
A gas-hydraulic system (100) for pressurizing a working fluid comprising a main tank (7) containing a working fluid and comprising a maximum level switch ( 10) and a minimum level switch (11), a secondary tank (6) containing the same wor...
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WO/2020/263479A1 |
A power transfer unit includes a first hydraulic circuit, a second hydraulic circuit fluidly connected to the first hydraulic circuit, a pump and motor assembly fluidly connected between the first hydraulic circuit and the second hydraul...
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WO/2020/235430A2 |
A pressure booster (10) is provided with a pilot switching valve (78) that can be brought into contact alternately with a first piston (42) and a second piston (46). The pilot switching valve includes a movable valve element (88) inserte...
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WO/2020/205689A1 |
A compressor system for receiving a gas fluid and discharging the gas fluid at a higher pressure. The system comprises at least one compressor and at least one piston intensifier associated with each compressor. Each piston intensifier h...
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WO/2020/192857A1 |
The present invention relatesto a energyrecovery unit in desalination plants or other applications as (oil & gas), wherein the energy of the pressure exchanger PE is provided by the exchange of pressure between the 1st fluid, which can b...
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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/2020/177611A1 |
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/2020/107812A1 |
A pressure energy recovery-based flow rate doubling system, consisting of a pump (1), a pressure energy exchanger (2), a fluid temporary storage tank (3), and a back pressure valve (4). A high-pressure fluid is obtained by means of press...
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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/2020/097565A1 |
Pistons and related methods may be configured to separate fluids and to at least partially prohibit one fluid from traveling to one side of the piston from another side of the piston. Pressure exchange devices and systems may include suc...
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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/2020/036046A1 |
A pressure booster (10) in which drive cylinders (14, 16) are arranged at both sides of a boost cylinder (12), and which is equipped with: a pair of pilot valves (72, 74) equipped with knock pins (90) that come into contact with pistons ...
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WO/2019/205471A1 |
Provided is a multi-stage multipurpose hydraulic pressurizer with a variable pressurization rate, comprising a multi-stage pressurizing structure part, a hydraulic oil loop, a control part of the hydraulic oil loop, a pressurizing fluid ...
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WO/2019/200598A1 |
A multi-section staged pressure-reduction water injection apparatus based on fracture observation and an observation method thereof. The apparatus comprises a testing probe, a propulsion system, and a control system, the testing probe co...
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WO/2019/179663A1 |
In a hydraulic shield support system (100), a plurality of pressure intensifiers (21) are respectively provided for a plurality of hydraulic props (8). Each pressure intensifier (21) is operated to increase a system pressure (P) to an in...
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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/2019/121770A1 |
The present invention concerns a hydraulic pressure amplifier device comprising a casing (10) having two chambers (12, 14) of different cross-sections which house a staged piston (20) comprising two piston sections (22, 24) with cross-se...
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WO/2019/044047A1 |
This pressure booster (10) having arranged therein drive cylinders (14, 16) on both sides of a boosting cylinder (12) is provided with: a pair of pilot valves (72, 74) that are actuated when pistons (36, 38) of the drive cylinders abut a...
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WO/2018/198535A1 |
A pressure booster (10) constituting a cylinder apparatus (12) is provided with a first piston (90) and a second piston (94) that are coupled to each other by a rod (96). A connection member (160) provided to the second piston (94) is co...
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WO/2018/191920A1 |
An electro-hydraulic servo booster cylinder, comprising: an electro-hydraulic servo booster cylinder body, a thrust oil chamber (6) and a second pressurization oil chamber being provided in sequence on the pressurization oil circuit of t...
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WO/2018/186048A1 |
A pressure booster (10) is equipped with a pair of cylinders (12a, 12b) provided on both sides of a center unit (20), pistons (14a, 14b) each disposed inside the pair of cylinders, and a piston rod (26) connecting the pistons, wherein ea...
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