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Matches 1 - 50 out of 1,280

Document Document Title
WO/2018/132806A1
An asymmetric linear actuator is provided which integrates a hydraulic dissipater and an electric motor and power screw which generates small forces. The actuator is configured so that an electric motor drives a power screw which drives ...  
WO/2018/119326A1
An automobile or other wheeled vehicle includes various hydraulic components, including a hydraulic gearbox, transmission, clutch, and brake energy recovery system. Such hydraulic components supplement or replace traditional mechanical c...  
WO/2018/111388A1
The active water hydroelectric system 18 uses a hydraulic ram pump 46 to increase pressure to turbine blades 47 using water 16 from a low head water source 1, the system 18 comprising a housing 18, drive pipe 2, delivery pipe 6, pressure...  
WO/2018/014905A1
The invention relates to a method for maintaining a pressure level of a hydraulic fluid in a hydraulic actuator assembly (100), in particular for maintaining a pressure level above a target pressure value associated with an operating poi...  
WO/2018/002201A1
The present invention relates to a hydraulic coupling device for coupling a first shaft (10) with a second shaft (20) which shafts are coaxial with one another. The device comprises a device forming a positive-displacement pump operating...  
WO/2017/058027A1
The invention relates to a downhole tool (100) for use in a petroleum well. The downhole tool (100) comprises a first part (110) comprising a driving unit (8), and second part (120) comprising a driven unit (9), wherein the driving unit ...  
WO/2017/007509A3
This invention relates to a kinetic energy recovery system under braking designed for use in any type of motor vehicle or towed vehicle to partially eliminate the need for a conventional hydraulic, pneumatic or electric conventional brak...  
WO/2017/007509A8
This invention relates to a kinetic energy recovery system under braking designed for use in any type of motor vehicle or towed vehicle to partially eliminate the need for a conventional hydraulic, pneumatic or electric conventional brak...  
WO/2016/166746A1
A hydrostatic transmission which utilizes a combination of a multiple planetary gear pump and a multiple planetary gear motor encased within one compact unit sealed so as to direct passage of hydraulic fluid between the combination there...  
WO/2016/146039A1
A load-sensitive electro-hydrostatic actuator (EHA) comprises a variable-displacement hydraulic pump (2), a symmetrical hydraulic cylinder (5), a feedback module (4), a pressure follow-up servo valve (3) and an execution mechanism (7). T...  
WO/2016/141935A1
The invention relates to a method for adjusting and adapting an operating point of a hydraulic actuator arrangement, in which invention a volume flow source (3) is connected to a hydraulic cylinder (5) via a pressure line (4) which is fi...  
WO/2016/090057A4
Various embodiments of an apparatus and method for extracting useful work from a fluid stream are disclosed. Some embodiments comprise balanced hydrofoils comprising upper and lower semifoils joined by a member. Some embodiments comprise...  
WO/2016/090057A1
Various embodiments of an apparatus and method for extracting useful work from a fluid stream are disclosed. Some embodiments comprise balanced hydrofoils comprising upper and lower semifoils joined by a member. Some embodiments comprise...  
WO/2015/190946A1
A controllable connection for two coaxial shafts comprises a hollow end of a transmitting shaft and a substantially profiled end of a receiving shaft, positioned inside the hollow end of the transmitting shaft. The hollow end of the tran...  
WO/2015/144155A1
The invention relates to an actuating device (1) for actuating a clutch (3) and/or a transmission (4) of a motor vehicle, comprising a pump (10) having two fluid connections (8, 9) and comprising a movable actuating element (11) fluidica...  
WO/2015/138602A1
Disclosed is a compact portable compressed air energy storage (CAES) system that works with renewable energy sources and utilizes batteries to store energies instead of using turbine generators to store energies like traditional CAES sys...  
WO/2015/125239A1
The purpose of the present invention is to provide a rotation system which is capable of maintaining a distance between two rotating machines, and suppressing vibration generated in an intermediate shaft that connects rotation shafts of ...  
WO/2015/070860A1
The invention relates to a step-by-step mechanism, in particular for a seat adjustment of a motor vehicle seat having a rotatable adjusting ring (20) which is coupled to a rotation element (26) to be coupled to a component to be placed, ...  
WO/2015/027157A1
The present disclosure relates to a limited-slip clutch system and method. In one aspect, the limited-slip clutch actuation system can include a hydraulic pump operated by a variable speed drive wherein the pump can be configured to gene...  
WO/2015/010700A1
The invention concerns a fluid system having a fluidic displacement unit which, in a drivetrain between a drive unit and an output, forms a switchable torque-transmission component with an internal control system for a working pressure. ...  
WO/2014/164408A1
A clutch system comprises a hydraulic control circuit for controlling a hydraulic system. The hydraulic control circuit comprises processor-executable control instructions to perform a method for controlling hydraulic pressure. The metho...  
WO/2014/158070A1
A hydraulic pump assembly comprises a rotatable piston drum (20) with at least one centrifugal lever (23) pivotally attached thereto for radial movements between radial flanges (20') under the action of centrifugal force at rotation of t...  
WO/2014/023744A1
The invention relates to a pumping device (1) comprising a drive device (2) for driving a feed element (3) of the pumping device (1) and a hydrostatic coupling (5), by means of which a torque transmission between the drive device (2) and...  
WO/2014/022228A1
A zero turn mower vehicle (10) includes left and right hydrostatic transmissions (11a, 11b) driving wheels (15a, 15b). The transmissions (11a, 11b) each include a swashplate type axial piston hydraulic pump (17) having a swashplate (22)....  
WO/2014/021965A2
The present invention provides closed-cycle hydro-jet thruster (CCHJT) used for the direct conversion of torque into thrust and/or lift force. In a preferred embodiment, the CCHJT includes an outer casing; two inner-members; an intermedi...  
WO/2014/021965A3
The present invention provides closed-cycle hydro-jet thruster (CCHJT) used for the direct conversion of torque into thrust and/or lift force. In a preferred embodiment, the CCHJT includes an outer casing; two inner-members; an intermedi...  
WO/2013/155076A1
In some embodiments, systems are provided in which electric power generated from a renewable energy source such as a solar or wind power system during low demand periods is used to drive an electric motor which turns an air hybrid split-...  
WO/2013/117105A1
A driveshaft structure comprises driveshafts (11, 12) and a hydraulic overload protection device (21, 22, 23), wherein driveshafts (11, 12) comprises a first shaft (11) and a second shaft (12) coaxially mounted, and the hydraulic overloa...  
WO/2013/107197A1
A transmission device comprises a planetary gear train, a housing (1), multiple fillers (2), and a hydraulic control device. The planetary gear train has a gear chamber. Gears of the planetary gear train are mounted in the gear chamber, ...  
WO/2013/096300A2
A system has a variable displacement pump that supplies pressurized fluid to power a plurality of hydraulic functions. Each hydraulic function has a control valve with a variable source orifice controlling fluid flow between the pump and...  
WO/2013/070641A1
A hydrostatic drive (200) including a hydrostatic pump (202) configured to supply a transmission fluid. The hydrostatic drive (200) further includes an axle motor (210) and a drum motor (208). The axle motor (210) is configured to drive ...  
WO/2013/066837A1
A drive system (14) is disclosed. The drive system may have an engine-driven pump (38), and a motor (40) connected to the pump. The drive system may also have a speed input (18) to select a maximum allowable engine speed, a throttle inpu...  
WO/2013/040338A2
Provided are various devices and processes that harness the inherent kinetic energy of a flowing pressurized fluid to drive a compressor to compress a fluid without any need for electrical or chemical energy. The flowing fluid flows over...  
WO/2012/161601A8
The subject of this invention is a clutch with a locking key (wedge) intended primarily for use as a locking element of differential mechanisms, as well as an inter- axle clutch used in wheeled vehicles, proposed in two design solutions ...  
WO/2012/161601A1
The subject of this invention is a clutch with a locking key (wedge) intended primarily for use as a locking element of differential mechanisms, as well as an inter- axle clutch used in wheeled vehicles, proposed in two design solutions ...  
WO/2012/145401A1
A power distribution system includes a prime mover and a hydraulic drive system. The hydraulic drive system includes an accumulator to store energy and supplement that available from the prime mover. A control monitors torque imposed on ...  
WO/2012/138314A1
The present disclosure describes a hydroelectric control valve (HCV) for a fluid pipeline including an inlet and outlet (or input and output) section attached to the same pipeline wherein fluid flows into and out of the HCV comprising a ...  
WO/2012/125792A3
A hydraulic system includes a first pump and a plurality of valves that control fluid flow from the first pump to several actuators. Variable source orifices in the control valves are connected in parallel between the first pump and a no...  
WO/2012/120094A3
A gerotor pump (1) comprising; ·a housing (2) which comprises a first and a second supply socket (18a,18b;19a,19b), ·an inner rotor (4); and ·an outer rotor (5) rotatably located relative the housing (2); wherein the inner rotor (4) i...  
WO/2012/120094A2
A gerotor pump (1) comprising; ·a housing (2) which comprises a first and a second supply socket (18a,18b;19a,19b), ·an inner rotor (4); and ·an outer rotor (5) rotatably located relative the housing (2); wherein the inner rotor (4) i...  
WO/2012/021360A4
In combination, an aircraft and a rotatively combined electrical power/generator and hydraulic motor/pump configured to provide either hydraulic power from electrical power, or electrical power from hydraulic power, installed in said air...  
WO/2012/021360A1
In combination, an aircraft and a rotatively combined electrical power/generator and hydraulic motor/pump configured to provide either hydraulic power from electrical power, or electrical power from hydraulic power, installed in said air...  
WO/2011/159586A3
An adiabatic Compressed Air Energy Storage (CAES) system includes a low pressure compressor structure (14) to provide compressed air; a first heat exchanger (26) to extract heat from the compressed air exiting the low pressure compressor...  
WO/2011/159586A2
An adiabatic Compressed Air Energy Storage (CAES) system includes a low pressure compressor structure (14) to provide compressed air; a first heat exchanger (26) to extract heat from the compressed air exiting the low pressure compressor...  
WO/2011/119364A1
An embodiment in accordance with the present invention provides a hydraulic pump including a first motor running at a fixed speed, a reservoir for fluid and a first pump operatively coupled to the motor such that the pump runs at the sam...  
WO/2011/119121A1
The invention is clutch system, inlet shaft (17) engine of which the outlet shaft (18) gearbox of which are positioned between two, which is filled with hydraulic fluid positioned in a closed casing (1), without using disc, brake lining;...  
WO/2011/113205A1
A hydraulic pump includes a housing (12), a cylinder block (14), a plurality of pistons (16), a swash plate (18), a trunnion arm (22), a first biasing assembly (54), and a second biasing assembly (56). The cylinder block includes a plura...  
WO/2011/085451A1
A torque transmitting device (10) for transmitting torque from a power source to a rotating driven load. The device (10) comprises a cylindrical assembly (12) adapted to be mechanically coupled via its outer circumference to the rotating...  
WO/2011/079267A1
Systems and methods for efficiently operating a hydraulically actuated device/system are described herein. For example, systems and methods for efficiently operating a gas compression and expansion energy storage system are disclosed her...  
WO/2011/068982A3
A hydraulic reservoir includes a container having an internal volume, an internal wall dividing the internal volume of the container into a first section and a second section for separately containing the hydraulic fluid, and two one-way...  

Matches 1 - 50 out of 1,280