Abstract: A turbo-molecular pump comprises: multiple stages of rotor blades formed with multiple blades and provided in a pump axial direction; and multiple stages of stator blades provided with multiple blades, the multiple stages of the rotor blades and the multiple stages of the stator blades being alternately arranged in the pump axial direction. Each stage of the stator blade includes multiple divided stator blades, and a clearance is formed at a portion where the multiple divided stator blades face each other, and circumferential phases of the clearances of adjacent ones of the stages of the stator blades in the pump axial direction are shifted from each other.

Abstract: A controller includes: a control unit configured to calculate a control command value of an opening degree of a solenoid valve to control an opening degree of the solenoid valve; and an acquisition unit configured to acquire an estimated amount and a target amount of a working fluid in a labyrinth chamber, and a rotation speed of a drive shaft. The control unit calculates a final control command value based on a feedback control command value and a feedforward control command value, and controls the solenoid valve, the feedback control command value being calculated based on deviation between the estimated amount and the target amount, the feedforward control command value being used to maintain a rotation speed of a fan constant based on the estimated amount and the rotation speed of the drive shaft.

Abstract: A rotary machine includes a rotating shaft which is rotatably provided around an axis, a casing which covers the rotating shaft from an outside in a radial direction and in which a gas flow path extending in a circumferential direction is formed, a drain pipe which is connected to a lower portion in a vertical direction of the casing and communicates with the gas flow path, an adjusting valve which is provided in the drain pipe and adjusts a flow state of a fluid in the drain pipe, and a gas flow pipe which is connected to the drain pipe at a position closer to a connection portion between the casing and the drain pipe than the adjusting valve and through which the seal gas flows.

Abstract: A method and apparatus for a centrifugal pump according to which an annular retainer is positioned around a first end portion of a pump shaft, an open end portion of a compression cylinder is positioned around the first end portion of the pump shaft so that the pump shaft extends within an internal cavity of the compression cylinder, the compression cylinder is moved towards an annular groove formed in the first end portion of the pump shaft, and the annular retainer is sprung into the annular groove. In some embodiments, springing the annular retainer into the annular groove constrains one or more impellers and one or more annular spacers between the annular retainer and another annular retainer connected to the pump shaft.

Abstract: A fan includes a first wind wheel having a first rotation axis and a second wind wheel arranged opposite to the first wind wheel and having a second rotation axis. The first wind wheel includes a first hub and a plurality of first blades arranged around the first hub and spaced apart from one another. The second wind wheel includes a second hub not directly coupled to the first hub and a plurality of second blades arranged around the second hub and spaced apart from one another. The first blades and the second blades are tilted towards opposite directions along a circumferential direction.

Abstract: The present application provides a stator blade, a compressor structure and a compressor. The stator blade comprises a blade body, wherein a cavity is formed inside the blade body, and a gas supply hole is formed on the blade body. The present application forms a jet on the suction surface of the stator blade by supplemented gas, thereby blowing off the low-speed low-energy region formed by the suction surface, reducing the gas flow mixing loss caused by the supplemented gas, thereby improving the aerodynamic efficiency of the centrifugal compressor.

Abstract: A pump of a dishwasher has an integrated heating element, a pump chamber with an inlet and an outlet, a pump rotor inside the pump chamber and a drive motor, wherein the heating element and a temperature sensor are provided on a wall of the pump chamber. For measuring a calcification of the pump chamber it is filled with water and then the pump rotor rotates for mixing the water in the pump chamber without transporting water out of the pump chamber. The temperature of the water in the pump chamber is measured with the temperature sensor as a starting temperature, and then the heating element is activated to heat the water in the pump chamber while the temperature of the water in the pump chamber is measured. Then the heating element is deactivated and the maximum temperature of the water during the heating duration or directly afterwards is determined. A temperature relation between the maximum temperature and the starting temperature of the water is calculated.

Abstract: An electrohydrostatic actuator system comprising: a volume- and/or speed-variable hydraulic machine which is driven by an electric motor, for providing a volumetric flow of a hydraulic fluid; a differential cylinder with a piston side and a ring side; and at least one pretensioning source. The actuator system has a closed hydraulic circuit, wherein, during operation, the hydraulic fluid in the hydraulic circuit is pressurized by means of the hydraulic machine and/or the pretensioning source. Furthermore, according to the invention, the differential cylinder provides a power motion operating mode and a rapid motion operating mode. In order to balance a volume of the hydraulic fluid in the closed hydraulic circuit, according to the invention an expansion reservoir is connected to the piston side of the differential cylinder via a valve.

Abstract: A hydraulic system for a rear gate of a baler implement includes a fluid circuit having a first portion connected to and disposed in fluid communication with a first fluid port of a hydraulic cylinder. A flow bypass assembly is disposed in the first portion of the fluid circuit. The flow bypass assembly includes a flow rate control valve selectively moveable between a first position allowing fluid communication therethrough at a first flow rate, and a second position blocking fluid communication therethrough. The flow bypass assembly further includes a bypass passageway for circulating the fluid when the flow rate control valve is closed. A flow restriction is disposed within the bypass passageway to provide a second flow rate that is less than the first flow rate.

Abstract: A hydraulic actuator is disclosed that comprises a first, fixed portion and a second portion movable relative to the first portion. The second portion comprises a hydraulic actuating device for actuating a component, and the actuator further comprises an intermediate member configured to interconnect the first portion with the second portion and permit movement of the second portion relative to the first portion. The intermediate member is configured to convey hydraulic fluid to the hydraulic actuating device of the second portion through a body of the intermediate member.

Abstract: An actuating and sensing module is disclosed and includes a bottom plate, a gas pressure sensor, a thin gas transportation device and a cover plate. The bottom plate includes a pressure relief orifice, a discharging orifice and a communication orifice. The gas pressure sensor is disposed on the bottom plate and seals the communication orifice. The thin gas transportation device is disposed on the bottom plate and seals the pressure relief orifice and the discharging orifice. The cover plate is disposed on the bottom plate and covers the gas pressure sensor and the thin gas-transportation device. The cover plate includes an intake orifice. The thin gas transportation device is driven to inhale gas through the intake orifice, the gas is then discharged through the discharging orifice by the thin gas transportation device, and a pressure change of the gas is sensed by the gas pressure sensor.

Abstract: The invention relates to a device for guiding an electromagnetic wave within a cylinder head of a cylinder system, wherein the device comprises analysis electronics arranged in or on the cylinder head and a probe located in the cylinder head, as well as a connecting structure guiding the electromagnetic wave and arranged between the analysis electronics and the probe for versatile positioning of the analysis electronics, the connecting structure having a first signal connection (101, 201, 301, 401, 501a, 501b, 601, 701) for connection to the probe and a second signal connection (314, 514a, 514b, 714) for connection to the analysis electronics.

Abstract: Systems and methods for determining a pre-charge gas pressure in a gas-charged hydraulic accumulator are disclosed. For example, systems and methods for determining pre-charged gas pressure of a gas-charged hydraulic accumulator included as part of a vehicle are disclosed. Further, the present disclosure provides for determining a pre-charge gas pressure of a gas-charged hydraulic accumulator using a position sensor. The accumulator may form part of a hydraulic system used to move one part of the vehicle relative to another.

Abstract: An automatic water handling device of an air compressor includes a barrel and a pneumatic cylinder. The barrel has an interior space in which a division board formed with through holes is mounted to define a first chamber in which a desiccant agent is disposed and a second chamber. The barrel has a gas outlet opening connected with a gas accumulation tank. The second chamber has a gas inlet opening to receive compressed air. An electromagnetic valve is in connection with the second chamber and is connected to a timer for activation at predetermined time points by the timer to drive the pneumatic cylinder to open a control valve to drain off water removed from compressed air.

Abstract: A method of controlling an electro-hydraulic actuator (101). An electric voltage applied to the actuator (101) is established by superimposing a control variable with an oscillatory signal. A hydraulic pressure, influenced by the actuator (101), is measured. The oscillatory signal is adapted as a function of the measured hydraulic pressure.

Abstract: A multi-directionally engageable column combination structure comprising a column, a first hook body, and a second hook body. The column is in a straight cylindrical shape and has an outer circular surface and two end faces.

Abstract: An open triangle made of rigid material planes each joined ninety degrees to one another and of sufficient thickness, rigidity, precision and construction for the triangle as a whole to serve as a brace for clamping, aligning, and joining workpieces, especially three workpieces at ninety degrees to one another; the opening of the triangular brace serving as a space for the operation of joining the workpieces, especially joining by means of high-heat welding but also by other means of joining, like drilling and fastening with bolts; the triangular brace being constructed of one piece, or a plurality of pieces in which one plane or all planes of the said brace are removable and re-attachable, or rotatable in and out of position, by means of screws, bolts, pins, interlocking tongue-and-groove, magnets, axle for rotation, or other secure means.

Abstract: An expansion anchor including an anchor bolt, and at least one expansion shell located at the anchor bolt, wherein the anchor bolt includes a wedge zone for expanding the at least one expansion shell, a neck zone accommodating at least parts of the expansion shell, the neck zone being located rearwardly of the wedge zone, an abutment zone forming a rearward stop for the expansion shell, the abutment zone being located rearwardly of the neck zone, and a rear zone for intruding tensile force into the anchor bolt, the rear zone being located rearwardly of the abutment zone, wherein the anchor bolt is provided with at least one forwards groove, located in front of the abutment zone. The anchor bolt is provided with an aligned rearwards groove, which is aligned with the at least one forwards groove, and which is located rearwardly of the abutment zone.

Abstract: A fastener assembly includes a pin and a body. The pin includes a shaft that inserts into a central passage of the body. The body includes a flange and first and second arms that attach to a nose at a distal end. Each of the first and second arms includes an exterior flex point, an interior flex point, and a proximal end. The first arm is configured to move about a first proximal hinge portion. The second arm is configured to move about a second proximal hinge portion. A first brace extends from a first arm, a second brace extends from a second arm, and the first and second braces create an overlap area between the first arm and the second arm.

Abstract: A nut locking system comprising a nut, a shaft and a retaining ring, wherein the nut is connected to the shaft by means of a threaded joint, the shaft comprising a hollow section in which a body of the retaining ring is arranged, wherein the retaining ring comprises a tongue, the tongue being configured to engage the nut in response to movement of the nut relative the shaft in an axial direction thereof such that movement of the nut is restricted, wherein the tongue comprises a first tongue portion extending over an upper portion of the nut, the first tongue portion being configured to engage with the upper portion of the nut.

Abstract: A ball joint includes a carrier part and a hollow ball which is a component separate from the carrier part and is fixed on the carrier part.

Abstract: The present disclosure provides a flexible hinge structure including: a rigid driving member; a mounting fixed member which is connected to an upper surface of the rigid driving member through a first flexible portion at one end in a longitudinal direction of the upper surface, a first fixing structure being provided on a surface of the mounting fixed member; a displacement output member connected to the upper surface of the rigid driving member through a second flexible portion at the other end in the longitudinal direction of the upper surface; and a pair of guiding fixed members symmetrically disposed on both sides of the displacement output member through third flexible portions, the both sides being parallel to the longitudinal direction of the upper surface of the rigid driving member and a second fixing structure being provided on a surface of each of the guiding fixed members.

Abstract: A turbocharger includes a rotor shaft that is rotationally driven, a compressor impeller attached to the rotor shaft, and a cylindrical bearing portion that includes an inner cylinder and an outer cylinder, and that supports the rotor shaft in a rotatable manner. A first damping portion is provided between an axial first end portion of the inner cylinder and an axial first end portion of the outer cylinder, and an axial second end portion of the inner cylinder is connected with an axial second end portion of the outer cylinder. A second damping portion is provided between a housing and the axial second end portion. The housing and the bearing portion are fixed by a flange portion provided at the first end portion of the outer cylinder in such a manner as to restrict movement of the flange portion in a radial direction and in an axial direction.

Abstract: A double-row rolling-element bearing unit of a medical pump, preferably syringe pump, has a bearing core forming a first inner running surface for first rolling elements, which first inner running surface faces in an axial direction, and forms a second inner running surface for second rolling elements, which second inner running surface is arranged oppositely to the first inner running surface in the axial direction. The pump has a bearing bush, which can be mounted on a housing portion and forms a first outer running surface, which lies opposite the first inner running surface, and the pump has a bearing pan, which forms a second outer running surface, which lies opposite the second inner running surface. At least one preloading element couples the bearing pan to the bearing bush with a defined preload to join the double-row rolling-element bearing unit as a unit.

Abstract: This invention relates to a bearing monitoring method and system suitable for the monitoring of faults in rolling element bearings. The method and system utilize an acceleration sensor that is sensitive to both acceleration and housing strain and which has the effect of amplifying acceleration events that coincide with areas of the housing strain signal that correspond to bearing ball-pass events. The housing strain signal due to ball-pass events can be used to synchronise or otherwise modify the sampling of acceleration signals, or to determine bearing performance characteristics.

Abstract: A wheel end high-temperature warning system for a vehicle having a wheel-end assembly mounted to an axle is described. The system may include a first temperature sensor including a sensor head configured for mounting within a spindle section of the wheel end assembly, the sensor head in a heat exchange relationship with a bearings of the wheel-end assembly. The system may further include a transmitter disposed on the axle to which the wheel-end assembly is mounted, the transmitter being configured to receive a first sensor signal from the first temperature sensor indicative of a wheel-end temperature and transmit the signal to a receiver. A vehicle data acquisition module may be coupled to the receiver, the data acquisition system being programmed to receive the first sensor signal and process the signal to determine a measured temperature of the spindle.

Abstract: An inner ring assembly for a ball bearing assembly includes a proximal inner ring made from a first material. The inner ring assembly further includes a distal inner ring made from a second material. The first material is different from the second material.

Abstract: A rolling bearing unit provided with a radially outer ring having an assembly groove, two radially inner rings, two series of rolling elements interposed between the radially outer ring and the radially inner rings and defining between them a first internal grease reservoir. The groove is arranged in an axially intermediate position with respect to the two radially inner rings and a grease dispensing device is housed inside the groove of the radially outer ring and is in turn provided with a second grease reservoir formed inside the radially outer ring and communicating with the first reservoir via the groove. A permeable retaining wall housed is inside the groove so as to retain the grease inside the second reservoir and allow it to flow out towards the first reservoir during operation of the bearing unit, dispensing it in a controlled manner.

Abstract: A bearing system including a first member having an outer surface wherein at least a portion of the outer surface includes a plurality of plateaus and a plurality of indentations, a dry-film lubricant at least partially filling at least one of the plurality of indentations, and a second member having a mating surface to the outer surface of the first member wherein the second member configured to move past the first member.

Abstract: A bearing unit having a radially outer ring provided with at least one raceway, a radially inner ring provided with at least one raceway, at least one row of rolling elements interposed between the radially outer ring and the radially inner ring, at least one containment cage for keeping the rolling elements of the rolling element row in position, and a seal interposed between the radially inner ring and the radially outer ring. An anchoring element mechanically locks the seal in a first seat of the radially inner ring, and the anchoring element is housed in a second seat of the radially outer ring.

Abstract: A motor assembly includes a shaft, a bearing, at least one fluid channel, a temperature sensor, a lubricant supply pump, and a controller. The bearing defines a bearing interface against which the shaft rotates. The at least one fluid channel is fluidly coupled with the bearing interface. The temperature sensor detects a temperature of the bearing. The lubricant supply pump is fluidly coupled with the at least one fluid channel to transport lubricant from a lubricant supply to the bearing interface via the at least one fluid channel. The controller receives the bearing temperature from the temperature sensor, determines a difference between the bearing temperature and a supply temperature of the lubricant, determines a lubricant flow rate based on the difference, and transmits a control signal to the lubricant supply pump to cause the lubricant supply pump to transport the lubricant to the bearing interface at the lubricant flow rate.

Abstract: An extendable shaft includes: an inner shaft including a plurality of external teeth; an outer shaft including a plurality of internal teeth that slides relatively to the external teeth; and a resin layer covering the external teeth. The pressure angle of the external teeth is different from the pressure angle of the internal teeth.

Abstract: A tripot housing includes a housing body that extends between a first housing end and a second housing end along a longitudinal central axis. The housing body defines a guide channel that extends from the first housing end toward the second housing end. The guide channel has a first wall, a second wall, and a third wall that extends between the first wall and the second wall. An elliptical contact surface area transitions the first wall with the third wall and the second wall with the third wall, with the elliptical contact surface areas being configured for engagement with an outer roller of a roller assembly to inhibit a locking condition.

Abstract: A coupling suitable for use in a flexible shaft includes a first and second shaft engagement means each having a central axis, a spacer means having a central axis, and a number of support wires. A first set of support wires each extends between the first shaft engagement means and the spacer means one or more times, the first set of support wires comprises at least one support wire, and the first and second shaft engagement means and the spacer means have a common axis (A) when the coupling means is not subject to any misalignment.

Abstract: An apparatus that includes a housing containing a motor that is electrically connected to a power source. An enclosed motorized assembly is connected to the housing and contains secure points located in an outer surface thereof and LEDs therein. An object is affixed to the motorized assembly and contains insertion points. A slip ring is secured around a motor shaft of the motor and electrically connects to a first conductive plate that is secured within the housing. The first conductive plate is further electrically connected to the LEDs. A second conductive plate is electrically connected to the motor shaft and the LEDs. A plurality of extension elements include a first and second end, wherein the first end is secured to the secure points and the plurality of extension elements radiate or transmit light from the LEDs.

Abstract: A propeller shaft for a vehicle is provided in which a tube yoke is connected to a main tube via an adapter and tapered splines are formed at the contact regions between a tube yoke and the main tube to transmit the power output from a transmission to a rear wheel. The tube yoke and the main tube are displaced relative to each other at the tapered splines to break the adapter. The tube yoke and the main tube are thus separated from each other by virtue of the breakage of the adapter to efficiently absorb impact energy.

Abstract: A clutch includes a drive disc, a driven disc, and a friction plate unit capable of engaging or disengaging the drive disc with or from the driven disc, the friction plate unit including a first friction plate assembly and a second friction plate assembly, the clutch further including a pressing unit configured to engage or disengage the drive disc with or from the driven disc selectively by the first friction plate assembly alone or by a combination of the first friction plate assembly and the second friction plate assembly. Such an arrangement enables the clutch to select an appropriate number of friction plates as required for engagement, solving the problem that in existing multi-plate clutches, it is impossible to select an appropriate number of friction plates to participate in work to make the clutches obtain optimal performance according to different working conditions of the automobile.

Abstract: The present invention is a hydraulic pressure control device for an automatic transmission that performs a gear shift by switching between engagement and disengagement of a plurality of friction engagement elements and includes solenoid valves, provided corresponding to the friction engagement elements, respectively, that switches between engagement and disengagement of the friction engagement elements by switching between supply and non-supply of hydraulic pressures to the friction engagement elements, and a control device that switches between supply and non-supply of the hydraulic pressures to the friction engagement elements by supplying a predetermined control current to the solenoid valves, in which the control device supplies a fixation preventing current lower than the control current to at least one of the solenoid valves corresponding to the friction engagement elements in a disengagement state of the plurality of friction engagement elements.

Abstract: A method for operating a clutch of a drivetrain for a motor vehicle, in which at least one micro-slip of the clutch is adjusted in a targeted manner by means of an electronic computing device of the drivetrain, whereby the clutch is operated with the micro-slip during at least one operating phase, wherein an overpressing of the clutch is adjusted in a targeted manner by means of the electronic computing device), whereby the clutch is operated slip-free during at least one second operating phase that is different from the at least one operating phase.

Abstract: The present invention relates to an anti-drag structure of automobile brake calipers, comprising a brake caliper body which is provided with a cylinder bore and a brake claw arranged along the axis of the cylinder bore in an extending mode; and a cylindrical piston bush is pressed in the cylinder bore by interference fit, a step ring groove is formed in the inner wall of the piston bush and composed of a major diameter ring groove and a minor diameter ring groove which have rectangular sections. The present invention can improve the generality of the brake caliper body through the arrangement of the piston bush and improve the standardization of production manufacturing of brake calipers, and can reduce the residual drag moment of the brake caliper and the fuel consumption with the rubber seal ring and the phenolic resin PF ring to achieve the purpose of emission reduction.

Abstract: A hybrid torque bar for a brake assembly may comprise a base portion, a pin extending from a first end of the base portion, and a rail extending between the first end of the base portion and a second end of the base portion opposite the first end. The base portion may be formed using a first manufacturing process. At least one of the pin or the rail may be formed using a second manufacturing process. The second manufacturing process may comprise an additive manufacturing technique.

Abstract: In some examples, a drive insert for a drive slot of a brake disc includes a first insert member configured to cover a first surface of the drive slot, a second insert member configured to cover a second surface of the drive slot, and a bridge member configured to extend between the first insert member and the second insert member. The bridge member is configured to limit movement of the first insert member and the second insert member in a tangential direction of the brake disc when the bridge member extends from the first insert member to the second insert member. In some examples, the bridge member is configured to be in compression between the first insert member and the second insert member.

Abstract: Provided is a wind turbine, including a tower and a damper module, especially a slosh damper module arranged in the tower, which damper module includes a frame with at least two elongated first frame ends at one side of the frame and at least two elongated second frame ends at the opposite side of the frame, which first and second frame ends are fixed to first and second fixation elements arranged at an inner wall of the tower, wherein the first frame ends are immovably fixed to the fixation elements while the second frame ends are fixed sliding relative to the fixation elements, wherein the first and second fixation elements are first and second plates fixed to the and extending horizontal from the inner wall, on which the first and second frame ends comprising flat support areas rest.

Abstract: An air suspension assembly comprises a top and a bottom disposed on a center axis and spaced apart from one another. A bellows of an elastomeric material extends between a first end secured to the top and a second end secured to the bottom defining a chamber. The chamber extends between the top, the bottom, and the bellows for containing pressurized air, whereby a pressure of the pressurized air is controlled based on a force applied. The bellows has an interior surface and an exterior surface and including a plurality of convolutes extending between the first end and the second end. Each convolute of the plurality of convolutes includes a pair of outer lobes and an inner lobe with each outer lobe of the pair of outer lobes having an outer lobe thickness extending between the interior surface and the exterior surface of the bellows.

Abstract: A support for household appliance comprises a hydraulic plate; a sheath connected with the hydraulic plate; a regulating support in the sheath; an accommodation chamber formed by the hydraulic plate, the sheath and the regulating support; and a flexible accommodation body, which accommodates a liquid medium and is arranged in the accommodation chamber. The flexible accommodation body extends and retracts to drive the regulating support to axially move in the sheath for leveling under action of pressure; and the sheath and/or the regulating support are/is provided with a guiding limiting mechanism for limiting the circumferential rotation of the regulating support relative to the sheath. A yielding part corresponding to the guiding limiting mechanism is formed in the hydraulic plate. The overall height of the support for household appliance is lowered, and the stability of shock absorption of the support for household appliance is improved.

Abstract: Toothed belt with an internal toothing and an external toothing and transmission with such a toothed belt. Tooth crests of the internal toothing comprise a rounded region with a cross section in the shape of a segment of a circle, and tooth crests of the external toothing comprise a rounded region with a cross section in the shape of a segment of a circle. A region between two adjacent tooth crests of the internal toothing is at least as wide as a tooth width of teeth of the internal toothing, and a region between two adjacent tooth crests of the external toothing is at least as wide as a tooth width of teeth of the external toothing.

Abstract: In accordance with one aspect of the present disclosure, a fastener is provided for securing to an end of a conveyor belt having cables. The fastener comprises a crimp configured to be fixed to a conveyor belt cable and a connector. The connector has a unitary, one-piece fastener body with an upper portion for being disposed adjacent an upper surface of the conveyor belt end and a lower portion for being disposed adjacent a lower surface of the conveyor belt end. The upper and lower portions are spaced apart to receive the crimp therebetween and permit the conveyor belt cable to extend in an outboard direction between the upper and lower portions. The connector includes a stop arranged to block inboard movement of the crimp and the conveyor belt cable fixed thereto.

Abstract: Disclosed is a gear driving device for automotive movable parts. The gear driving device comprises a motor (100) and a driver gearbox (200). The driver gearbox comprises multiple stages of planetary gear assemblies (1, 2) connected in series and a gear assembly (3) with few teeth number difference. A first-stage planetary gear assembly in the multiple stages of planetary gear assemblies is connected to the motor; and the last-stage planetary gear assembly in the multiple stages of planetary gear assemblies is connected to the gear assembly with few teeth number difference. The gear driving device has the advantages of small volume, light weight and high working efficiency.

Abstract: A hand held, hand operated apparatus for rotating, or spinning, rotatably oscillating and/or inducing back and forth longitudinal movement in a device, such as an elongated medical device. A drive shaft of the hand held, hand operated rotational drive apparatus includes a ratcheting mechanism capable of enabling oscillating (repeated forward and reverse) rotation of a device that has been coupled thereto when there is little or no resistance on the rotated device, and of enabling an actuator to return to a position that will enable further forward, or driving, rotation of the drive shaft and the rotated device when resistance on the rotated device prevents the rotated device and the drive shaft from rotating in a reverse direction.

Abstract: An actuator for use with an external controller, either alone or in a group including other actuators controlled from the same external controller. The actuator includes a housing for encasing internal components of the device; a motor assembly for creating motion, the motor assembly being disposed within the housing; and a drive assembly for driving pushrod, the drive assembly being arranged within the housing and slidingly connected to the motor assembly. A remote control communication circuit is electrically connected to the motor. The actuator includes an in line planetary gear and a linear position sensor. Also disclosed are a hand held remote controller which utilizes tilt for proportional control, and a distributed network.