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WO/2019/038150A1 |
The invention relates to a circuit assembly (110) for operating a piezohydraulic actuator (10), comprising: a first supply connection (E1) and a second supply connection (E2) for applying a supply voltage; a first output connection (A1) ...
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WO/2018/232544A1 |
The invention relates to an oleohydraulic steam engine, which is an external combustion engine, in which the engine shaft rotates by means of the continuous flow of hydraulic oil passing through the engine. This continuous flow is obtain...
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WO/2018/226107A1 |
The invention relates to a machine that amplifies the drive torque of a moving shaft, which is formed by at least one pair of identical units facing a central shaft, each unit being formed by at least one mechanical actuator (cam), a hyd...
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WO/2018/220399A1 |
A transmission system (10) includes a first piston (12), a second piston (14) and a modulator piston (16). The first piston (12) receives an input force (FIN), the second piston (14) transmits an output force (FOUT), and the modulator pi...
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WO/2018/197414A1 |
The invention relates to a connection assembly for connecting an actuating element, such as a pedal, to a piston of a hydraulic cylinder of a motor vehicle control system, the connection assembly comprising: - a control rod (7) which ext...
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WO/2018/173845A1 |
Provided is a fluid machine capable of enhancing the operability of a movable member in a container. The fluid machine 1 according to the present invention includes: a container 2 capable of containing a fluid; a first fluid inlet/outlet...
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WO/2018/146035A1 |
The invention relates to a piezohydraulic actuator (10) comprising at least one piezo actuator (12), at least one drive (14), and at least two outputs (32, 44) hydraulically coupled to the drive (14) and mechanically coupled to one anoth...
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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 ...
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WO/2018/115000A1 |
The invention relates to a control (10) comprising a body (12), a piston (20) housed in the body, and a rod (28), the piston being able to move in the body under the effect of the rod, and in which: – the piston (20) comprises a first ...
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WO/2018/091747A1 |
The invention relates to a viscous material pump (1) comprising at least one hydraulically driven two-cylinder piston pump (2) for generating a viscous material delivery pressure, and a hydraulic pump (3), which supplies the two-cylinder...
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WO/2018/073308A1 |
The present invention relates to a servo hydraulic press for sheet metal forming. The press comprises a hydraulic cylinder, at least two servo motors and at least two pumps for supplying pressurized fluid to the hydraulic cylinder, where...
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WO/2018/065003A1 |
The invention relates to a hydrostatic actuator (1) for a motor vehicle assembly, comprising a housing (2) which, together with an axially movable piston (3) for applying a hydraulic fluid pressure, forms a pressure chamber (4) that is c...
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WO/2018/033361A1 |
The invention relates to a hydraulic drive - having a differential cylinder (1), which has a cylinder piston (3) and a piston rod (4), which is connected to the cylinder piston (3), wherein the cylinder piston (3) is arranged in a displa...
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WO/2018/024554A2 |
The invention relates to a speed-changing shearing or forming active element insert which is designed to be detachably connected to an active element receptacle of a machine tool, the speed-changing shearing or forming active element ins...
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WO/2018/019622A1 |
The invention relates to an electro-hydrostatic system (1) comprising a hydraulic machine (11) which is driven by an electric motor (10) and has a variable volume and/or rotational speed for providing a volumetric flow rate of a hydrauli...
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WO/2018/001554A1 |
A master cylinder (10) has a cylinder housing (12) in which a piston (14) that can be moved between a piston rest position and a piston actuation position by means of a piston rod (18) variably delimits a pressure chamber (16). The ball ...
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WO/2017/195786A1 |
An actuator device (10) is provided with: a piston (21), which is housed in an internal space, and which forms, with a cylinder (20), a pair of pressure chambers (24, 25), said piston relatively moving with respect to the cylinder; a fir...
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WO/2017/191367A2 |
The object of the invention is a transmission arrangement for a moveable device, such as a door (1 ) opening mechanism (2) and a method for using a device moved with a hydraulic cylinder (3). The method comprises at least the following s...
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WO/2017/167682A1 |
The hydraulic actuator comprises a hydraulic drive cylinder, a first hydraulic output cylinder which is hydraulically coupled to the drive cylinder, and a pressure limiting valve which limits the pressure on the output cylinder depending...
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WO/2017/148779A1 |
The invention relates to a device (100) for maintaining a hydraulic pressure (p), which can be set by a pressure generator (50). Said device comprises an inlet (110) for coupling to the pressure generator (50); an outlet (120) for provid...
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WO/2017/144232A1 |
System (1) for supplying hydraulic pressure to a bolt elongation tool (2, 41), comprising the bolt elongation tool (2, 41) with at least one pressure chamber (3) and a tool piston (12), a hydraulic medium supply system (7) and a hydrauli...
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WO/2017/144875A1 |
The invention relates to a hydraulic fluid power transmission comprising: actuator apparatus having a plurality of chambers, each of the chambers having a respective fluid driving surface configured to drive or be driven by hydraulic flu...
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WO/2017/140785A1 |
The invention is based on the technical problem of improving the pressing in of large press fittings, said problem being solved by a device for transmitting a mechanical force for driving a pressing device for press fittings, having a st...
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WO/2017/078850A1 |
Embodiments of the invention provide an electro-hydraulic actuator including an electric linear actuator, a double chamber hydraulic cylinder, and a hydraulic actuator. The double chamber hydraulic cylinder includes a double chamber pist...
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WO/2017/061649A1 |
A flow rate control apparatus according to the present disclosure comprises: an engine; an actuator for performing an operation; and a hydraulic pump for hydraulically driving the actuator. In addition, a hydraulic control apparatus acco...
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WO/2017/040792A1 |
A fluid-driven actuator system includes a fluid-driven actuator and at least one proportional control valve and at least one pump connected to the fluid-driven actuator to provide fluid to operate the fluid-driven actuator. The at least ...
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WO/2017/011438A1 |
A soft robot is described, including: a flexible and/or stretchable body; a common fluid pressunzation unit; and a plurality of fluid chambers each embedded in the flexible and/or stretchable body and capable of fluidic connection with t...
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WO/2017/008794A1 |
The invention relates to a seal (1), wherein the seal is formed as a ring and can be arranged with an inner peripheral surface (2) on an outer peripheral surface (3) of a piston (4), wherein the seal (1) comprises an end face (6) facing ...
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WO/2017/004642A1 |
The invention relates to a valve device for liquids, especially for liquid plastic constituents of single- or multiple-constituent plastic mixtures, comprising a valve housing (1) with a liquid inlet (2) and a metering valve (3), which h...
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WO/2016/161001A1 |
A jack plate includes a mounting assembly having first and second spacing brackets connected by a transom plate adapted for mounting to the transom of a boat, each of the spacing brackets having inwardly facing channels at rearward sides...
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WO/2016/155722A1 |
The invention relates to an actuator (1) having a planetary roller screw drive (PRS), wherein the actuator (1) has a housing having a cylinder chamber (31) and a pressure-medium reservoir (15), wherein the pressure-medium reservoir (15) ...
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WO/2016/154355A1 |
Exemplary embodiments relate to various improvements in soft robotic actuators, and techniques for manufacturing the improvements. For example, techniques for manufacturing a rigidizing layer for reinforcing a soft robotic actuator is pr...
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WO/2016/120508A1 |
The invention relates to a method for regulating a circuit for the recirculation of hot sanitary water, and to an electronic control circuit. The invention consists of an electronic control circuit, a water temperature sensor, a flow swi...
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WO/2016/069966A1 |
A motion conversion device (200) including a body (310), a first double-acting cylinder (320) movable along a first axis (A4) and a second double-acting cylinder (330) movable along a second axis angled relative to the first axis. The bo...
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WO/2016/051172A1 |
Industrial system with synthetically commutated variable displacement fluid working machine An injection moulding system, water jet cutting machine or other industrial system has a synthetically controlled variable displacement fluid wor...
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WO/2016/015879A1 |
The hydraulic actuator comprises: a hydraulic input cylinder having an input piston; a hydraulic output cylinder, which is hydraulically coupled to the input cylinder; and a pressure-limiting valve, which limits the output cylinder with ...
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WO/2016/012013A1 |
The invention relates to a cylinder arrangement (1) with at least one cylinder (3) and a piston (4) arranged therein, the piston (4) comprising at least one sealing element (2) for sealing the components piston (4) and cylinder (3), whic...
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WO/2015/160717A9 |
A soft actuator is described, including: a rotation center having a center of mass; a plurality of bucklable, elastic structural components each comprising a wall defining an axis along its longest dimension, the wall connected to the ro...
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WO/2016/007699A1 |
A bi-directional pump system, configurable for a plurality of operating modes, is shown. The pump system includes a plurality of bi-directional pumps, each having their own valving systems connected to common high pressure, low pressure ...
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WO/2015/195246A1 |
An electro-hydraulic actuation system includes a regeneration valve in fluid communication with a first fluid chamber and a second fluid chamber of a hydraulic actuator, and a dump valve is in fluid communication with the second fluid ch...
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WO/2015/189061A1 |
The invention relates to a hydraulic cylinder comprising (i) a body (1) housing a piston (2) equipped with a rod (T) and (ii) a bushing (2) for guiding the piston inserted at least partially into the rear part (1a) of the body, character...
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WO/2015/178988A2 |
The present invention includes a method of controlling a fluid flow using momentum and/or vorticity injections. Actively controlling an actuator allows for direct, precise, and independent control of the momentum and swirl entering into ...
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WO/2015/161846A1 |
The invention relates to an actuator device for a hydraulic actuating device for actuating a vehicle component, comprising: a hydraulic cylinder, which has a cylinder bore; a hydraulic piston, which is arranged in the cylinder bore in su...
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WO/2015/135070A1 |
Many devices with "limbs" or "arms" are susceptible to damage when a user bends or twists a joint of the limb or arm beyond its design point or in a direction other than intended. This is common with children's toys. Accordingly, it woul...
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WO/2015/074656A1 |
The invention relates to a piston-cylinder unit (1) comprising a cylinder (2) with a cylinder chamber (3) and an axially slidable piston (4) mounted in the cylinder chamber (3), wherein within the cylinder chamber (3) there is a spring (...
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WO/2015/044166A1 |
The invention relates to a pressure welding device (1) and a pressure welding method. The pressure welding device (1) comprises a plastification unit (5), a positioning and compressing unit (6), a controller (26), and an advance unit (7)...
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WO/2015/000481A1 |
The invention relates to a piston-cylinder unit having a cylinder and a piston which can be axially displaced in said cylinder and has a piston rod connected to said piston, said piston rod being connectable to an actuator element and be...
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WO/2014/197263A2 |
A hydraulic accumulator comprises a pressure shell, a bladder, and a rod. The pressure shell is filament wound around a leak proof barrier/mold. The bladder is tubular and carried by the rod. The rod extends though the pressure shell and...
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WO/2014/176252A1 |
Provided is a system and method to generate and control hydraulic fluid flow that exceeds the fluid flow capacity of an electrically driven pump to achieve high actuator retraction/extension speeds and/or electrical flow capacity of an e...
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WO/2014/159512A1 |
A clamp and universal wedge clamp system is provided. The system includes a rigid clamp that is formed to define first and second arms that extend from opposite ends of a central member. The first and second arms each comprise a finger t...
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