A liquid pump has a housing with a suction connection, a pressure connection and a electric motor for rotationally driving a conveying device that has a suction inlet and pressure outlet which communicate with the suction connection and the pressure connection respectively. An electronic power unit for the electric motor is adjacent to the motor and extends transversely to the axis of rotation and is on the rear side of the partition wall of the housing. The suction inlet is arranged at a height smaller than an inner radius of an annular gap between the stator and rotor, whereas a rotor passage extends at a constant height, so that a liquid inducted by way of the suction connection is guided in part via the annular gap and undergoes a deflection at the partition wall, cooling the latter before it passes through the rotor passage to the suction inlet.

A gas separation process that utilizes ejector recycle with a membrane separation step in combination with a second separation step. The second separation step may be a second membrane separation, or may involve a different type of separation process. At least a portion of the non-product (i.e. residue) stream withdrawn from the second separation step is directed back to the ejector to form a processing loop. The ejector drives the gas flow in the loop and recycles the non-product stream to the first separation step.

Embodiments herein provide a drive link having a conditioning portion to be used in conjunction with one or more dresser links of a saw chain to condition a sharpening element. The dresser links may include left and right dresser links configured to contact the sharpening element in first and second contact regions which may not overlap, leaving a gap. The conditioning portion of the drive link may contact the sharpening element in a third contact region that includes at least a portion of the gap between the first and second contact regions.

An apparatus having a sample sectioning device including a cutting mechanism that is operable to cut sections from a sample and a sample holder that is operable to hold the sample. The apparatus further includes a drive system coupled with the sample holder to drive movement of the sample holder and a reciprocating member coupled to the drive system to drive vertical movement of the drive system. The reciprocating member to move in a reciprocating manner within an angle of rotation of less than 180 degrees. A surface orientation sensor may further be provided that is operable to sense an orientation of a surface of the sample held by the sample holder.

A computer implemented method of software testing may include obtaining multiple interactive elements from an event-driven software application. The interactive elements may be configured to be selected by a user and when selected result in an event in the event-driven software application. The method may also include determining which of the interactive elements may be user interactive in a first state of the event-driven software application. In some embodiments, determining which of the interactive elements may be user interactive may include obtaining one or more coordinates of a first interactive element and determining if the first interactive element is a top layer interactive element at any one of the one or more coordinates. The method may further include testing the event-driven software application based on the user interactive elements.

One embodiment (100) collects air pressure created from forward motion of a motorcycle (300) in a reservoir assembly (1001) which stores a liquid lubricant, is attached to motorcycle frame (302), and comprises a containment chamber (102), cap (106), cap seal (104), air inlet port (107), lubricant outlet port (109), and an air inlet connector (108) and a lubricant outlet connector (110) to facilitate the external attachment of conduit. The air pressure is collected by and delivered to reservoir assembly (100-1) via an air collection conduit (118) attached to motorcycle front portion (306) by a mount (130) and urges liquid lubricant through a suction conduit (124), flow restrictor (112) and delivers lubricant via discharge conduit (114) to a chain applicator (116) attached to a motorcycle swing arm assembly (304) and to the inner circumference of drive chain (310). Lubricant flow ceases after motorcycle is stopped. Other embodiments are described and shown.

A turbocharger for an internal combustion engine includes a shaft, a first turbine wheel, a compressor wheel, and a second turbine wheel. The shaft includes a first end and a second end and is supported for rotation about an axis. The first turbine wheel is mounted on the shaft proximate to the first end and configured to be rotated about the axis by post-combustion gasses emitted by the engine. The compressor wheel is mounted on the shaft between the first and second ends and configured to pressurize an airflow being received from the ambient for delivery to the engine. The second turbine wheel is mounted on the shaft proximate to the second end and configured to be rotated about the axis by a pressurized fluid. An internal combustion engine employing such a turbocharger is also disclosed.

The device is configured for moving a fluid within a gearbox. In one illustrative embodiment, the device includes a base portion coupled to a rotatable member within the gearbox. An inlet portion of the device is configured to draw the fluid from a reservoir portion of the gearbox. The device is configured to utilize a centrifugal force for moving the fluid from the inlet portion toward the base portion along an interior surface of a conical portion. In another illustrative embodiment, the device includes a conical portion having an external threaded portion configured to capture a fluid during a rotation of the device. In such an embodiment, the threaded portion is configured to utilize a centrifugal force for moving the fluid captured by the threaded portion along an exterior surface of the conical portion.

Apparatus and method for supplying lubricant to a plurality of lubrication sites. Embodiments include a pump with venting and non-venting piston return, a pump with stirrer and direct feed mechanism, a pump with CAN system and self-diagnostics, a pump with heated housing and reservoir and a pump with stepper motor and overdrive control.

An industrial fluid circulating system having at least one fluid circulation circuit, includes a plurality of pumps connected in parallel to circulate the fluid through each of the fluid circulation circuit, a separate motor driving each pump, a load detector to sense operating loads on the system and each circuit, and a speed control to vary the speed of each motor to thereby vary the pumping capacity of each pump in response to the detected load on the system, each pump of each respective circuit running simultaneously at a substantially similar speed or a predetermined equal reduced speed of the respective circuit or an almost equal reduced speed or a similar reduced speed.

Described herein are solar energy collector systems, components for solar energy collector systems, and methods for installing solar energy collector systems. The components for solar energy collector systems include but are not limited to solar radiation absorbers, receivers, drives, drive systems, reflectors, and various support structures. The solar energy collection systems, solar radiation absorbers, receivers, drives, drive systems, reflectors, support structures, and/or methods may be used, for example, in LFR solar arrays. Drives and drive systems are described herein that may provide improved rotational positioning, movement, and/or rotational positional sensing. For example, drives and drive systems are provided which allow operation through a variable frequency drive. The components and methods described herein may be used together in any combination in a solar collector system, or they may be used separately in different solar collector systems.

The present disclosure relates to a motor-driven unit for clearing mines from and securing a hazardous route. According to the present method, system and device, a marker apparatus for a secured route is a liquid material for marking on the ground, and comprising dispensing members for providing one axial marking and two side markings on either side of said axial marking, respectively, for said route.

New net shape strength retaining high temperature alloy parts are formed from fine metallurgical powders by mechanically blending the powders and placing them in die, placing a piston in the die, extending the piston into a driving chamber, filling the chamber with CH4 and air and compressing the powders with the filling pressure. Igniting gas in the chamber drives the piston into the cavity, producing pressures of about 85 to 150 tsi, compacting the powders into a near net shape alloy part, ready for sintering at 2300° C. without shrinking. The alloy parts are Re, Mo—Re, W—Re, Re—Hf—HfC, Re—Ta—Hf—HfC, Re—Mo—Hf—HfC, Mo—Re—Ta, Mo—Re-f-HfC, W—Re—Hf—HfC, W—Re—Ta—Hf—HfC or W—Re—Mo—Hf alloys.

A handheld engine-driven cutter is provided with a disk blade and a main body that drives the disk blade by an engine. A guard surface for repelling chips of a workpiece that scatter from the disk blade to below the main body is formed on the main body. The guard surface has an asymmetric shape with respect to a boundary that is a rotating plane of the disk blade.

A receiving housing of a hydraulic tensioning device for a traction mechanism drive in an internal combustion engine, having an opening that extends along a longitudinal axis for receiving a piston that is implemented for deflecting a tensioning rail of the traction mechanism drive. The receiving housing is a cast component, and the opening comprises an inner contour having an inner surface that comprises at least first segments and inclines for removing the workpiece from the mold in the opening. The second segments include surfaces that are directed into the inside of the opening and are aligned in parallel with the longitudinal axis. A sliding core is also provided that has an outer contour that is complementary to the inner contour of the opening of the receiving housing and fits into the opening. A traction mechanism drive and tensioning device having a receiving housing of this type are also included.

A method of producing a trailing arm of a torsion beam axle in which an integrated drive unit of a wheel-adjacent electric drive has an electric machine and a transmission. By using the method, the trailing arm is produced in the form of a casting with a box profile. The contours for producing the area that accommodates the transmission, the connection point to the vehicle body, the bore that receives the cross-member which connects the two trailing arms to one another, the U-profile of the trailing arm, the box profile and the area that accommodates the electric machine, are modeled by cores such that the contours for producing the connection point of the trailing arm to the vehicle body, the bore that receives the cross-member and the U-profile of the trailing arm are modeled by one core.

A powered ratchet drive for a ratchet wrench includes a pair of elongate pawls for driving an output member of the wrench. Each pawl may have a lower portion pivotally attached to a rocker and an upper portion comprising teeth for engagement with teeth of the output member to turn the output member. The upper portion of the pawl extends outward at an angle with respect to the lower portion. The ratchet may include a compression spring secured inside a cavity of each pawl for biasing the pawl into engagement with the output member. The ratchet also includes a reversing switch mechanism for selectively configuring the ratchet in a forward-driving configuration and in a reverse-driving configuration. The switch mechanism includes a cam disposed between the pawls. The cam has a groove for receiving one of the pawls during operation depending on the configuration of the ratchet.

A wireless small motor driver, in which power consumption is decreased by adjusting a gear ratio, the efficiency of an operation is increased due to a high torque, and the safety of a worker at night is ensured using an illumination lamp. The wireless small motor driver includes a driver case inside of which a motor is provided. A driver bit has a predetermined length in a bilateral direction, the driver bit being replaceable, with one or both ends thereof conforming to the shape of a bolt, and has a fixing projection. A socket is coupled to an end portion of the driver case, the driver bit being fastened to the socket. A rotation reduction gear is coupled to the motor, the rotation reduction gear transmitting rotary force to the socket and increasing a torque. A USB and a battery for supplying uniform power to the motor are added.

A tool having a main barrel with an inner cavity, a tool bit holder adapted to be removably secured within the inner cavity, the tool bit holder having a first inner cavity adapted for receiving a first reversible tool bit and a second inner cavity adapted to receive a non-reversible tool bit, wherein the inner cavity of the main barrel serves as a first sized nut driver, the first inner cavity of the tool bit holder serves as a second sized nut driver, and the second inner cavity of the tool bit holder serves as third sized nut driver, where first, second, and third sized nut drivers each have a different size.

A direct drive cloth feeding mechanism of a sewing machine includes a cloth feeding structure, a vertical driving structure and a direction adjustment structure. The cloth feeding structure includes a swing shaft and a cloth feeding teeth member. The vertical driving structure includes an eccentric shaft connected to the cloth feeding teeth member, and an eccentric cam disposed on the eccentric shaft. The direction adjustment structure includes a stepping motor, and a rotating shaft driven by the stepping motor to rotate and switch between a first position and a second position. When the stepping motor directly drives the rotating shaft to the first position, the cloth feeding teeth member performs a forward feeding process. When the stepping motor directly drives the rotating shaft to the second position, the cloth feeding teeth member performs a reverse feeding process.

In one embodiment information regarding device activity of first subscriber to a transportation service is received. A backend server determines independent of a pending transportation request from the first passenger and based at least on the information regarding the device activity of the first subscriber, to send a driver towards a location based on the location of the first subscriber.

A mechanical rotational drive has a bar-like torsion element, whereby the torsion element is firmly clamped with a first end in a bearing device. The torsion element can be pivoted with a second free end with respect to the clamped end about the longitudinal axis, forming a rotation axis, of the torsion element between a relaxed position and a tensioned position, whereby the length of the torsion element is reduced with respect to the relaxed position when the torsion element is brought into its tensioned position. A device for transmitting a torque into the torsion element or out of the torsion element is provided in the area of the free end, and a damping device is arranged in the axial direction of the torsion element at a fixed distance from the bearing device and adjacent to the free end of the torsion element, and a damping part is provided on the torsion element in the area of the free end of the torsion element, which damping part in the relaxed position is in friction engagement with the damping device and which in the tensioned position is not engaged with the damping device.

A fluid dispensing system provides a sprayer. The system has a container with liquid fluid, such as used in lawn and garden weed control and fertilization. The sprayer has a handle containing a spring engine and a pump for liquid from the container. The spring engine has a flat spring having a spring band extending from two coils wound on two shafts. One of the coils is manually wound by a crank connected to a shaft on which the coil is connected. The other shaft is connected to the pump by a rotary cam driver. Liquid is sucked by the pump into a pump chamber during part of a cycle of rotation of the other shaft when the coils are unwound and the liquid is pumped out of the chamber during the other part of the cycle of rotation to a sprayer head on the sprayer handle.

An actuator assembly having a housing, at least one rotating gear member including a cam, and an actuator device operably connected to the rotating gear member, operably contained in the housing, for rotating the gear member. Also included is a bearing member operably associated with the cam such that when the actuator device is actuated for rotation of the gear member, the bearing member moves on the cam for providing relative motion between the bearing member and the rotating gear member. The actuator device is selected from a torque generating device or a device having linear movement.

A linear recliner assembly in use with a seat having a seat back pivotally engaged relative to a seat bottom. A housing exhibits a communicating interior between a first and second ends. A drive rod is supported in linearly displaceable fashion from the first end and is secured to the seat bottom. The second end pivotally engages the seatback spaced from its pivot point. A rotatable gear located at a fixed lineal position within the housing receives the drive rod in threadably inter-engaged fashion. A trigger mechanism pivotally secured to the housing exhibits a downwardly biased detent communicating through an opening in the housing to seat between succeeding teeth of the gear. A spring supported within the housing contacts the drive rod. Upon release of the detent, a reclining force applied to the seatback results in displacement of the housing against the drive rod to bias the spring. The spring influencing the drive rod in a reverse direction such that, upon release of said detent when the seatback is in the reclined position, the spring influences the seatback to reverse pivot to a returned upright position.

A drive mechanism for a device with two operating parts, which are connected so as to be pivotally displaceable relative to each other between a first position and a second position about a common axis of rotation. The drive mechanism has a driving mechanism such that a movement from the first position to the second position can be initiated initially by a slight movement and the additional movement is then effected automatically through spring force (F) until the second position has been reached. The movement out of the first position into the second position is possible in either a clockwise and counterclockwise movement. The driving mechanism comprises a driven part, one operating part and two drives that are in the form of a force storing device The force storing devices interact with the driven part in opposing directions in such a manner that only the one for storing device is in driving connection with the driven part while the other force storing device is retained in its starting position.

A spring motor and drag brake for use in coverings for architectural openings.

A linear recliner assembly in use with a seat having a seat back pivotally engaged relative to a seat bottom. A housing exhibits a communicating interior between a first and second ends. A drive rod is supported in linearly displaceable fashion from the first end and is secured to the seat bottom. The second end pivotally engages the seatback spaced from its pivot point. A rotatable gear located at a fixed lineal position within the housing receives the drive rod in threadably inter-engaged fashion. A trigger mechanism pivotally secured to the housing exhibits a downwardly biased detent communicating through an opening in the housing to seat between succeeding teeth of the gear. A spring supported within the housing contacts the drive rod. Upon release of the detent, a reclining force applied to the seatback results in displacement of the housing against the drive rod to bias the spring. The spring influencing the drive rod in a reverse direction such that, upon release of said detent when the seatback is in the reclined position, the spring influences the seatback to reverse pivot to a returned upright position.

The current invention discloses a food-drying device that includes a container, a drying assembly having a plurality of bores, and a drive mechanism. The drying assembly is disposed in the container and is capable of being rotated relative to the container. The drive mechanism rotates the drying assembly relative to the container. The drive mechanism includes a reciprocating handle movable between a first position and a second position along a linear direction, and a conversion mechanism for converting reciprocating movement of the reciprocating handle to rotary motion of the drying assembly from force supplied by a user to actuate the reciprocating handle moving from the first position to the second position, and from force supplied by the user to actuate the reciprocating handle moving from the second position to the first position.

A screwdriver blade has faces formed on front and back sides of a shank. Each face has a drive surface extending from each side edge inward toward a longitudinal axis. Each drive surface is inclined relative to a plane containing the axis and bisecting each of the side edges. A thickness of the blade increases from the shank distal end. Each of the drive surfaces appears curved when viewed in a distal end view. Each of the drive surfaces extends from the shank distal end to a face proximal end. A central portion between each of the drive surfaces may also appear curved when viewed in a distal end view, or it may be flat. The drive surfaces and the central portion may be formed at a single radius of curvature. The central portion may have a increasing width from the distal end or it may have a constant width.

The present invention discloses a drive device for a rotor of s carousel door, In addition to a main drive motor (10), which has a main-drive-motor shaft (12), the drive device according to the invention comprises a secondary drive motor (12) with a secondary-drive-motor shaft (22). The main-drive-motor shaft (12) is coupled at least indirectly to the secondary-drive-motor shaft (22, 62) in terms of rotation, and therefore the secondary-drive-motor shaft (22, 62) is coupled to the rotor in terms of movement.

A method of using a hydraulically driven pressing device for pressing a fitting on a tube is provided. The pressing device includes a piston and a cylinder for acting on pressing jaws. A piston shaft is connected to rollers. The pressing device can be used to carry out pressing operations requiring different levels of pressing power, by using an adjustable stop which is provided in the direction of displacement of the piston in order to achieve different end positions for the piston during the piston return stroke.

A method for forming a piece of a sheet metal is performed by positioning a consumable body, made of metal, proximate to the piece of the sheet metal. The consumable body is rapidly vaporized, and the gas pressure generated thereby is directed into the piece of the sheet metal. This results in acceleration of the piece of sheet metal, and it is collided into a stationary body at a velocity, generally in excess of 200 m/s. Depending upon the type of stationary body, the piece of sheet metal is deformed into a predetermined shape or is welded onto the stationary body. The vaporization is accomplished by passing a high current of electricity into the consumable body. The effect of the vaporized metal may be augmented by additional components in the consumable body.

A cable-stranding apparatus includes a stationary guide, a motor, a driven guide, and a controller electrically coupled to the motor. The stationary guide is configured to guide strand elements in a spaced-apart configuration and to pass a core member. The motor is operatively associated with a guide driver. The driven guide is disposed at least partially within the guide driver so as to rotate therewith. The driven guide is configured to receive the strand elements from the stationary guide, individually guide the strand elements received from the stationary guide, and to further pass the core member. The controller is electrically coupled to the motor and configured to control the rotational speed and direction of the motor.

A semiconductor device includes first to fourth terminals, a switch circuit, and an integrating circuit. The integrating circuit includes an amplifier circuit having a (−) terminal, a first (+) terminal, and a second (+) terminal. The integrating circuit is configured to integrate an input signal of the (−) terminal using an average voltage of a voltage of the first (+) terminal and a voltage of the second (+) terminal as a reference voltage. The switch circuit is configured to electrically connect the (−) terminal to the second terminal, the first (+) terminal to the first terminal, the second (+) terminal to the third terminal the (−) terminal to the third terminal, the first (+) terminal to the second terminal, and the second (+) terminal to the fourth terminal. The present semiconductor device is used as a semiconductor device sensing a current flowing through a pixel in a display panel.

A gate driver includes clock signal lines respectively transferring clock signals, at least two of the clock signals being mutually the same; and gate driving units electrically connected to the clock signal lines, respectively and configured to sequentially generate gate signals having a multi-clock pulse based on the clock signals.

A scan driver includes a plurality of scan driving blocks. Each of the scan driving blocks includes a first shift register including a plurality of driving transistors, the first shift register being configured to provide a first driving signal to a first driving node and to provide a second driving signal to a second driving node, a second shift register including a plurality of masking transistors, the second shift register being configured to provide a masking signal to a masking output node, and a buffer circuit including a plurality of buffer transistors, the buffer circuit being configured to provide scan signals. The buffer circuit outputs the scan signals that include the first pulse or the scan signals that include the first pulse and the second pulse based on the masking signal.

A driver IC for driving a display panel, a display device and a method for driving the driver IC are provided. The driver IC is provided with N pins corresponding to N signal transmission lines of the display panel respectively. Each pin is connected to one corresponding signal transmission line through one transmission wire. The N pins include a first pin and a second pin. The transmission wires include a first transmission wire connected to the first pin and a second transmission wire connected to the second pin and having a length less than the first transmission wire. The driver IC includes a signal generation module configured to generate N driving signals. The N driving signals include a first driving signal corresponding to the first pin and a second driving signal corresponding to the second pin and having a current intensity less than the first driving signal.

The present invention provides an electronic device (100) having smaller number of drive chips and including a timing controller (10), a gate and a source drive chips (20, 30), a pixel cells matrix (60) and a multiplexer (40). The multiplexer (40) includes a plurality of first signal outputs connected to the pixel cells matrix (60). The timing controller (10) might generate enable signals for the multiplexer (40). In this way, the multiplexer (40) could output scan signals to the pixel cells matrix by a corresponding signal end. The number of the drive chips could be reduced by the present invention.

The present disclosure provides a shift register unit including a pull-up module, an input module, a pull-down control module, a pull-down module, a reset discharging module, a voltage dividing module, a holding module, and a far end pull-down module. The shift register unit is designed in a split manner in order to perform pull-down compensation to the output signal at the far end, saving the low voltage signal at the far end, thereby saving the space and facilitating the design. The present disclosure further provides a gate driving device and a display device using the shift register unit.

A touch drive circuit and a driving method therefor, an array substrate and a touch display apparatus relate to a field of display. The driving method includes: during touch scanning time period in one frame, by each of output control unit (2), receiving a touch enable signal, a common voltage signal and a touch scanning signal, and receiving an output signal of an shift register unit connected with the output control unit; and outputting, by each of the output control units, the touch scanning signal to a touch drive electrode connected with the touch control unit in a first time period according to the touch enable signal and the output signal of the shift register unit connected with the output control unit, wherein the first time period is scanning time allocated to the touch drive electrode in one frame of time.

A level-shift circuit that operates stably is provided. The level-shift circuit has a function of boosting a first signal having an amplitude voltage between a first voltage and a second voltage to a second signal having an amplitude voltage between a third voltage and the second voltage. The level-shift circuit includes first to eighth transistors. Gates of the third and seventh transistors are electrically connected to a wiring for transmitting a third signal for controlling the amounts of current flowing into one of a source and a drain of the first transistor, one of a source and a drain of the second transistor, one of a source and a drain of the fifth transistor, and one of a source and a drain of the sixth transistor.

A hygienic drive system for a belt conveyor. The drive system has a stator rigidly mounted in a housing having an outer bearing surface that is continuous with the outer surface of mounting supports and avoids hard-to-clean nooks. A rotor assembly formed by drive wheels rotatably mounted on the outer surface of the housing or by a magnetic belt wrapped around a portion of the outer surface is rotated by a rotating magnetic wave produced by the stator. The stator and rotor can form an induction motor or a synchronous motor.

“CONVEYOR SYSTEM WITH DIFFERENT APPLICATIONS AND ISOLATION OF THE CONVEYED PRODUCT IN RELATION TO THE DRIVE SYSTEM”, is a conveyor for grains, seeds, fruit, granulated and ground products and similar products. The conveyor has different applications and isolates the product conveyed from the drive system. There are two or more tubes, and in each set of tubes there is a swivel with a drive system using roller chain, chain, cable, belt, et cetera. In this manner, the drive system is isolated from the product, avoiding mechanical damages, contamination, and also increasing the performance of the system.

In an internal combustion engine valve drive arrangement having cam elements which are supported on a camshaft so as to be axially displaceable and having switch gates which are coupled to the cam elements and have gate tracks with track segments and switching segments for displaceing the cam elements, the track segments and the switching segments are formed, at least in part, in partial areas of the switch gates.

A claw for use in a barrel hoop driver which allows the top hoop of a barrel to be driven beyond the barrel edge thereby allowing barrels for reuse to have their staves tightened without fitting new end hoops. The claw has spaced guide members controlling the effective depth of a blade for engagement with the hoops, the spaced arrangement of the guide members preventing accumulation of wood shavings on the blade.

An exercise device (20) includes a frame (22) and a drive mechanism (100) attached to the frame. The drive mechanism includes a first shaft (122) having a first fixed gear (128) and a second shaft (124) having a second fixed gear (130). The first fixed gear and the second fixed gear are mechanically linked to cause the first shaft to rotate in an opposite direction than the second shaft. A first linear input is mechanically linked to the first shaft and a second linear input is mechanically linked to the second shaft.

A motor drive assembly can prevent a two-way roller clutch of the current speed ratio and a two-way roller clutch of the next speed ratio from engaging simultaneously, and includes a first-speed friction plate formed with engaging protrusions on the first-speed side, and a shift ring formed with engaging recesses. While the shift ring is in a first-speed shift position SP1f, the engaging protrusions are adapted to be engaged in the engaging recesses, thereby preventing rotation of the shift ring relative to the first-speed friction plate. The shift ring is provided with projections on its inner periphery. The drive assembly further includes an annular protrusion formed with cutouts. When the projections are axially and circumferentially displaced from the respective cutouts, the projections are adapted to interfere with the annular protrusion, thereby preventing axial movement of the shift ring between the first-speed shift position SP1f and a second-speed shift position SP2f.

A planetary roller gear drive with a spindle nut (1) that is arranged on a threaded spindle (2) and with planets (3) that are arranged distributed around the periphery and are in rolling engagement with the spindle nut (1) and the threaded spindle (2). The planets (3) revolve on planetary orbits (P) that are arranged perpendicular to the spindle axis and the planets (3) are each divided into multiple planet parts arranged one behind the other in the axial direction.

A ball ramp actuator assembly including a control ring, an activation ring including a first section and a second section, two circumferential plate grooves formed between the control ring and the sections of the activation ring which contain rolling elements, two clutches, a gear and an actuator. The first and second sections are splined together allowing for axial movement. The first clutch is connected to the first section of the activation ring and a second clutch is connected to the second section of the activation ring. The rotation of a section of the activation ring axially in one direction allows the corresponding plate groove to expand and apply a load to the corresponding clutch while the other section of the activation ring remains inactive and rotation in the opposite direction activates the other clutch respectively.