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Matches 1 - 50 out of 904

Document Document Title
WO/2019/051582A1
A single-rod hydrostatic actuator or pump-controlled actuator, comprises a hydrostatic pump connected in a closed circuit to a single-rod hydraulic cylinder where the cylinder velocity is directly controlled by the pump flow, without the...  
WO/2019/046927A1
The application of fluidic systems to a variety of consumer devices would typically exploit fluidic structures of a few millimeters to a centimeter or so that are between the common fluidic realms of microfluidics and macrofluidics. For ...  
WO/2019/046851A1
The disclosed apparatus, systems and methods relate to devices, systems and methods for the selective application of down pressure or downforce to a row unit. Each row unit has a dual-action actuator which is in fluidic communication wit...  
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) ...  
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...  
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...  
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...  
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...  
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...  
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...  
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/2018/115000A1
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 ...  
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...  
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...  
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...  
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...  
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...  
WO/2018/024554A3
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...  
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...  
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 ...  
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...  
WO/2017/191367A3
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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) ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
WO/2015/160717A1
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...  
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...  
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...  

Matches 1 - 50 out of 904