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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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) ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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WO/2016/079251A1 |
A fluid flow rate multiplier is described, comprising a pair of a first (1) and at least one second (2) watertight modules, each one comprising a first (3) and at least one second (4) chamber, both the chambers comprising a piston (5, 6)...
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WO/2016/051169A1 |
A pressure intensifier (10) for morphing tubulars downhole. An elongate mandrel (22) defines an inner bore, being co-axially located within an elongate hollow outer cylindrical body (12) to form a co¬ axial annular bore (20) therebetwee...
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WO/2016/034770A1 |
A pressure converter (7) that comprises at least one pressure medium-operated converter cylinder (1) and at least one first converter valve (3) and that is adaptable to convert the pressure supplied to one or more external actuators (2) ...
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WO/2016/014838A1 |
The present disclosure relates, according to some embodiments, to fluid pump apparatuses. A fluid pump apparatus may comprise a suction compensator, a housing compensator, and a pump. A suction compensator may comprise an ambient fluid c...
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WO/2015/173495A1 |
The end-of-stroke expander (1) for a piston-type pressure converter (2) of which the emitter cylinder (3) and the receiver cylinder (4) respectively define an emitter chamber (9) and a receiver chamber (10), comprises an expansion emitte...
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WO/2015/171708A1 |
An air-to-hydraulic fluid pressure amplifier comprising m air cylinder having an internal reciprocating air piston; a first hydraulic cylinder having a first valve fitting and a first internal hydraulic ram that is slidably positioned wi...
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WO/2015/040572A1 |
A hydraulic pressure generation unit with pneumatic actuation, in particular a multifunctional unit actuated by air under a low pressure, is formed by at least one pump (1), preferably two automated pneumatic pumps (1 and 2), comprising ...
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WO/2015/027391A1 |
A fluid pressurizer with filtering function comprises an inlet part (1), a first pressurization part (2), a filtering part (3), a second pressurization part (4) and an outlet part (5). After the fluid flows through the fluid pressurizer ...
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WO/2015/025094A1 |
The reversible hydraulic pressure converter with tubular valves (1) comprises a medium-pressure stage (44) consisting of a medium-pressure cylinder (2) and a medium-pressure double-acting piston (3), the position of which is transmitted ...
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WO/2015/009289A1 |
A disclosed embodiment of a downhole tool includes a pump that is powered by rotation of the drill string to increase fluid pressure during downhole circulation.
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WO/2014/183204A1 |
A method and system is provided for pressure balancing one or more seals in machines such as expanders and/or compressors using the process fluid which is being expanded or compressed to provide the pressure for pressure balancing the ot...
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WO/2014/178980A1 |
A pump including a cylinder body having first and second ends and a cylinder bore, a plug shaft including first and second ends and a plug shaft bore, wherein the first end of the plug shaft is fixed relative to the cylinder body, and wh...
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WO/2014/144676A1 |
To achieve flow demands for high flow services, a hydraulic system shares a flow between a hydraulic transformer and one or more hydraulic pumps. The hydraulic transformer is in selective fluid communication with the pumps and actuates a...
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WO/2014/090400A1 |
A method for the production of hydraulic and electric energy from the rolling motion generated by vehicular and non-vehicular traffic, which envisages the establishment of a flow of fluid moving between at least two tanks, the first of w...
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WO/2014/019272A1 |
A membrane seawater desalination pressurization and energy recovery integrated method. Piston rods of single-rod piston-type seawater cylinders are connected with single-rod piston-type hydraulic cylinders to form two or more than two wo...
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WO/2014/015903A1 |
A subsea hydraulic power unit comprising an electrically powered rotodynamically operated pump (13) for powering a lower pressure first hydraulic circuit. A pressure amplifier(17) is also provided that amplifies the lower pressure provid...
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WO/2014/001881A2 |
A device and a method for exploiting hydrostatic energy, wherein the device comprises at least a first chamber and a second chamber, wherein the first chamber and the second chamber are at least partially filled with a fluid is suggested...
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WO/2014/000858A1 |
In a machine press with a lower and an upper tool support, a closed hydraulic drive system acts upon the upper tool support. This system has at least one hydraulic drive unit (1), which for its part comprises at least one hydraulic cylin...
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WO/2014/005051A1 |
A hybrid hydraulic drivetrain is configured to propel a vehicle (50) and regenerate propulsion energy. The drivetrain includes a prime mover (250), an accumulator (130), an axle (210), a first rotating group (120), a second rotating grou...
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WO/2013/188263A1 |
A valve assembly (10) includes a first piston member (20) displaceably disposed within a first chamber (32). A second piston member (28) is coupled to a valve closure element, such as a diaphragm (26), and the second piston member is dis...
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WO/2013/087593A9 |
The invention relates to a pressure intensifier (10), having a pressure-intensifier housing (11), in which a low-pressure piston (15) with a first pressure surface (18) is arranged in the pressure-intensifier housing (11), which low-pres...
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WO/2013/150256A1 |
A pneumatically powered fastener installation tool (2) comprising floating pull (24) and return (26) pistons which are free to move axially within the main channel (22), thereby providing compliance when transmitting pressure from a doub...
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WO/2013/148707A1 |
A method of compressing gas includes maintaining a volume of gas at a first pressure within a first chamber. Pressurized liquid is forced into the first chamber through a nozzle having a curved profile. Based on the Coanda effect, the li...
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WO/2013/140879A1 |
A machine for raising/reducing hydraulic pressure (100) capable of continuously supplying an output pressure is provided with: at least one input-pressure chamber to which is applied an input pressure from a head-side pressure chamber (1...
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WO/2013/064748A1 |
The invention relates to a compressing device, a method for compressing a gas, and a use of the compressing device. The compressing device (1) comprises a first compressing unit (7a) and a second compressing unit (7b) that are arranged o...
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WO/2013/011349A1 |
The invention relates to an assembly and to a device for obtaining monochromatic neutron radiation, which is characterized in that, in order to realize the nuclear synthesis reaction, the starting material is introduced into a pressure b...
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WO/2013/007909A1 |
Suction ram device 21 for a fluid circuit having, on either side of a removable load 2: an upstream pipe 13 and a downstream pipe 14, a feed pipe 11 and a discharge pipe 12, a shutoff valve 17 designed to isolate the upstream pipe from t...
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WO/2012/171519A2 |
The invention relates to a hydraulic transformer comprising a plurality of displacement spaces and a control disk which can rotate about an axis of rotation to adjust a pumping action/motor action of the hydraulic transformer and which h...
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WO/2012/166022A1 |
As such, the present invention relates to a hydraulic system (10) for a working machine (101). The hydraulic system (10) comprises a hydraulic actuator (12) and a first hydraulic machine (14) for supplying fluid to the hydraulic actuator...
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WO/2012/153059A1 |
The system of the invention includes: a main hydraulic pump motor (4) having an inlet connected to a high-pressure system and an inlet connected to a low-pressure system; and a pressure amplifier consisting of two hydraulic pump motors (...
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