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Matches 51 - 100 out of 1,194

Document Document Title
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)...  
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...  
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) ...  
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...  
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...  
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...  
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 ...  
WO/2015/006190A3
A fastener installation tool (10) includes ing a cylinder assembly (12), a handle/sleeve assembly (14), and a tool head (16). The handle/ sleeve assembly (14) includes a handle (40) having a bore (46) and a sleeve (60) positioned within ...  
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 ...  
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 ...  
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.  
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...  
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...  
WO/2014/001881A3
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2013/140042A3
The invention relates to an adaptive hydraulic pressure generator (10) for systems in which the mechanical force producing energy varies significantly, especially for wave energy systems. The pressure generator comprises at least two flu...  
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...  
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...  
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...  
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...  
WO/2013/087593A1
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...  
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...  
WO/2012/171519A3
The invention relates to a hydraulic transformer comprising a plurality of displacement spaces (12) and a control disk (20) which can rotate about an axis of rotation to adjust a pumping action/motor action of the hydraulic transformer (...  
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...  
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...  
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...  
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...  
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 (...  
WO/2012/140178A1
The invention discloses a system and method for controlling a wellbore. The method comprises the steps of: providing a capping stack comprising a number of releasable modules, each module having a size and weight within predetermined lim...  
WO/2012/064017A3
The present invention relates to an intensifier for discharging a constant flow. The intensifier of the present invention comprises a hydraulic pump, a hydraulic motor, a supply passage, first control means, and second control means. The...  
WO/2012/064017A2
The present invention relates to an intensifier for discharging a constant flow. The intensifier of the present invention comprises a hydraulic pump, a hydraulic motor, a supply passage, first control means, and second control means. The...  
WO/2012/059478A1
A hydraulic intensifier (1) comprises a reciprocating differential piston arrangement (3, 4, 4') and control means for controlling the supply of low pressure hydraulic fluid to the intensifier, said control means comprising at least one ...  
WO/2012/057672A1
A method and an arrangement for opening a valve (11) that is arranged for communicating with a space (10) with excess gas pressure phases, especially a cylinder space in an internal combustion engine. An opening movement is imparted to t...  
WO/2012/034165A1
An ultra high pressure pump comprising a servo motor coupled to a piston having a head arranged within a cylinder to define a pumping chamber, whereby the servo motor rotation causes reciprocal displacement of the piston to pressurise fl...  
WO/2011/104662A1
The invention relates to a linear hydraulic actuator which incorporates inside it a piston which can be reciprocally actuated by means of a distributor and a feedback positioning and reversing device. If during its uniform linear travel ...  
WO/2010/089769A3
A device for transferring energy between fluids incorporates energy from one of the high energy fluid to raise pressure of other low energy fluid by preventing mixing or direct contact of fluids with high efficiency. Said device consist ...  
WO/2011/056245A1
A compact force multiplying actuator 10 and its associated valve 20 are disclosed. The actuator 10 and valve 20 include piston heads 31 and 32 and force multiplying load beams 52 and 53. Belleville springs 81 and 82 are disposed axially ...  
WO/2011/048213A2
A system to pressurize barrier fluid of a submersible installation to provide a differential pressure between the ambient pressure surrounding the submersible installation and the pressure of the barrier fluid internally in the submersib...  
WO/2011/048271A1
The invention relates to a method for transforming the pressures of a system operating with pressure medium to optimise the travel speeds and/or forces of tasks utilising pressure, area and flow ratios, employing valve structures and oth...  
WO/2011/012193A1
The invention relates to a pressure intensifier (1) with a pressure inlet (IN) on a primary side of the pressure intensifier (1) for receiving a primary-side fluid pressure (pΪN), a pressure outlet (H) on a secondary side of the pressur...  
WO/2011/008158A1
The present invention relates to a pressure transducer (40) for transforming a pressure of a fluid from one pressure level to another, comprising at least one pair of hydraulic rotating machines that are mutually mechanically interconnec...  
WO/2010/124708A1
The invention relates to an apparatus for hydraulically actuating processing machines like metal forming machines (72 to 77) and method, control and application of an apparatus for actuating said metal forming machines. The processing ma...  
WO/2010/106350A1
A high pressure intensifier system comprises a high pressure intensifier (3) for receiving hydraulic fluid from an input (1) and providing the fluid to an output (8) at a higher pressure than at the input; means (7) for monitoring the pr...  

Matches 51 - 100 out of 1,194