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Matches 1 - 50 out of 1,191

Document Document Title
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
WO/2020/235430A3
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2018/153824A1
The invention relates to a valve top comprising a top piece (1) that is axially penetrated by a control piston (2) via which a valve cone (5) can be axially actuated; a control cap (6) can move along the top piece (1) and allows the cont...  
WO/2018/153655A1
The invention relates to a valve top having a head piece (1), which is axially penetrated by a control piston (2), via which a valve plug (5) can be axially actuated, wherein the valve plug (5) is connected to an axially movably arranged...  
WO/2018/096739A1
When a fluid is supplied to a first pressure-boosting chamber (32a) and/or a second pressure-boosting chamber (32b) of a pressure booster (10, 10A, 10B), either a first electromagnetic valve unit (22) supplies a fluid discharged from a f...  
WO/2018/096738A1
A first position detection sensor (70a) and a second position detection sensor (70b) of a pressure booster (10) detect the position of a first piston (44) or a second piston (46). A fluid supply mechanism (48) supplies a fluid to a first...  
WO/2018/082893A1
A hydraulic actuator (1) is disclosed comprising a cylinder housing (2), a piston (5) with a piston rod (6) being displaceably arranged inside the cylinder housing (2) and a pressure amplifier (10) comprising an inlet section (18) with a...  
WO/2018/082894A1
A hydraulic actuator (1) is disclosed comprising a cylinder housing (2), a piston (5) with a piston rod (6) being displaceably arranged inside the cylinder housing (2) and a pressure amplifier (17) comprising an inlet section (18) with a...  
WO/2018/081651A1
A hydraulic propulsion system converts heat or thermal energy into hydraulic energy, and such hydraulic energy into mechanical work. The hydraulic propulsion system includes a thermal unit, a hydraulic cylinder with pistons and springs m...  
WO/2018/065672A1
A hydraulically driven intensifier (100) for increasing pressure of gas comprising a piston-driven (108) compression chamber (102) for gas, operatively connected to an adjacent hydraulic chamber (104), with lubricant coupling (124, 126) ...  
WO/2018/033708A1
A pressure intensifier (10) and method of increasing fluid pressure at a desired location in a well bore. A central mandrel (22) having a bore (26) therethough is affixed in a string. Surrounding the mandrel is a cylindrical body (18) ha...  
WO/2018/029701A1
An Internal Combustion Engine that manifests as an Internal Reciprocal Engine incorporates two different Fluid Chambers namely Fluid Chamber 1 and Fluid Chamber 2 where the Fluid Chamber 1 receives its input force from a Piston to transf...  
WO/2017/084225A1
A cable-type static-pressure setting tool comprises an annular pressure introduction module (2), an oil-source oil-return module (3), and an execution module (4). The cable-type static-pressure setting tool is characterized by further co...  
WO/2017/084792A1
The invention relates to an energy storage system (1) for temporarily storing electrical energy with an electric machine (4) which is drive-connected to a hydraulic machine (5), and with a pneumatic-hydraulic piston-cylinder arrangement ...  
WO/2017/059542A1
A switched inertance pressure converter may include a first fluid inlet connectable to a first fluid source and a switching valve provided downstream from the first fluid. An inertance conduit may extend between an inlet end having an in...  
WO/2017/023362A1
A flow responsiveness enhancer apparatus may include a stack of manifolds with at least one manifold dedicated to each of the rams of the blowout preventer. The flow responsiveness enhancer includes a shared pressure line coupled to each...  
WO/2017/009521A1
Hydraulic solutions on a to an agricultural tractor or equivalent connected stone picker (1) where the stone picker shows at least one central work unit (13, 13') and at least one with this cooperative unit (2, 2') and at least one hydra...  
WO/2017/009520A1
Hydraulic solutions on a to a tractor or equivalent connected work machine (1), where the work machine shows several hydraulic driven work units (2, 2', 5) and hydraulic motors (3, 3', 6, 6'), and where the hydraulic motors are so mounte...  
WO/2016/149249A1
The control fluid power apparatus (102) includes a first housing (226) having a first piston (228) defining a first chamber (232) and a second chamber (236), where the first chamber (232) receives a control fluid (220) and the second cha...  
WO/2016/134869A1
Electropneumatic pressure transducers, comprising an electromagnetic actuator (12), an armature (28), which can be moved by means of the actuator (12), an armature head (68), which is connected to the armature (28), a housing (10), which...  
WO/2016/128381A1
The invention relates to a pressure intensifier device for increasing the pressure in a pressurized fluid chamber of a piston/cylinder unit and to a casting unit provided therewith for a diecasting machine and also to an associated opera...  
WO/2016/083958A1
A pressure exchanger is provided with an elongation absorber (50) having a housing element (70) configured for connection to a pressure vessel stand and an inner element (60) configured for connection to a high pressure feed check valve ...  

Matches 1 - 50 out of 1,191