Abstract: The present disclosure provides magnetic sensor system that includes a magnet mounted on the end of a rotating shaft, a magnetic sensing device comprising a magnetic multi-turn sensor, and a mechanism for initializing the magnetic multi-turn sensor into a known state ready for use. Whilst the magnetic sensing device is being used to monitor the rotation of the shaft, the magnet is located in a starting position a first distance from the magnet sensing device such that the magnet field strength experienced by the magnet sensing device is within the operating window of the magnet multi-turn sensor, the operating window being defined by a minimum magnetic flux density, Bmin, and a maximum magnetic flux density, Bmax. The mechanism comprises a means for moving the magnet and the shaft in an axial direction towards the magnet sensing device such that the magnetic field experienced by the magnet sensing device exceeds the upper limit, Bmax, of the operating window.

Abstract: An electromechanical linear actuator having a threaded drive, which comprises a threaded nut connected to a cantilever tube and a lead screw connected to a hollow shaft of an electric motor via a rotationally fixed connection in such a way that, by a rotation of the hollow shaft and the lead screw, the threaded nut and the cantilever tube are linearly movable. An axial design length of the electromechanical linear actuator in the maximally retracted state is minimized in that a holding brake for the lead screw and a first rotary bearing for bearing the lead screw on a housing of the linear actuator are arranged within the hollow shaft.

Abstract: An actuator device (1) for generating a longitudinal positioning movement to engage a shift element includes an actuator housing (2) and an electric motor (3). The electric motor (3) has a stator (4) and a rotor (5), the stator (4) being stationarily fixed at the housing (2), and the rotor (5) being rotatable relative to the stator (4) and rotationally fixed to a rotor carrier (6) supported relative to the housing (2) via a fixed bearing (7). The actuator device (1) further includes a threaded drive (8) having a nut (9) and a threaded spindle (10), with the nut (9) being rotationally driveable and axially fixed, and the threaded spindle (10) being axially displaceable along the threaded nut (9) and secured against rotation. The threaded nut (9) is rotationally fixed to the rotor carrier (6) and is at least partially radially within the fixed bearing (7).

Abstract: The present invention provides a load generating unit for testing an actuator, the unit including a first permanent magnet and a second permanent magnet spaced apart from each other; a third permanent magnet or a ferromagnetic body arranged in a row with the first permanent magnet and the second permanent magnet between the first permanent magnet and the second permanent magnet; and a first link passing through central axes of the first permanent magnet and the second permanent magnet to be penetrated to a central axis of the third permanent magnet and be connected to the actuator, wherein the third permanent magnet and the link are displaced in a length direction of the first link by a magnetic force. According to the present invention, the complexity, cost, and inertia of a device may be overcome and a load profile may be easily generated.

Abstract: Described is a mechanical transmission (T) comprising a containment structure (1) housing a roto-translational element (2), extending along an axis of rotation (X) and comprising a first and a second threaded portion (3, 4), a rotary element (5) connected or connectable to a drive unit to define a mechanical power input unit and equipped with a first thread (8) designed to engage rotatably with the first threaded portion (3) to the roto-translational element in such a way as to define a first threaded connection, a fixed guide (9) having a second thread (14) designed to engage with the second threaded portion (4) of the roto-translational element (2) in such a way as to define a second threaded connection, and a translating element (10), translating along the axis (X) and defining a power output unit. The translating element (10) is connected to the roto-translational element (2) for translating at the same linear speed as the roto-translational element (2).

Abstract: A rotor for an electric motor comprising a crankshaft extending along an axis (X-X) coinciding with an axis of rotation of the crankshaft, and at least one steel plate having slots for housing magnets. The steel plate includes a central seat, keyed to an outer side wall of the crankshaft according to an interference coupling, wherein the steel plate is coupled to the crankshaft at the central seat by a first tooth obtained on the steel plate, which projects towards the associated crankshaft and a first radial seat, obtained on the outer side wall of the crankshaft. The first radial seat has an isosceles trapezium cross-section delimited laterally by a pair of oblique sides converging towards the axis of rotation. The first tooth has a ‘V’ cross-section with a pair of curvilinear side walls, suitable for interfacing against the oblique sides of the first radial seat.

Abstract: The present invention relates to a linear drive (1), comprising a camshaft (10) having at least one camshaft disk (15) which is arranged in a longitudinal axis (X), at least one rack (30) comprising at least one tooth (31), and at least one propulsion element (20) having at least one propulsion tooth (21), wherein the at least one propulsion element (20) has a recess (25) with which the camshaft (10) engages, wherein the camshaft (10) is coupled to the at least one propulsion element (20) by means of the at least one camshaft disk (15), and wherein the propulsion element (20) can be pushed into and out of the rack (30) in order to generate a propulsion in the longitudinal axis (X) when the camshaft (10) rotates. In addition, the present invention relates to a longitudinal adjustment unit for a seat and to a motor vehicle having at least one longitudinal adjustment unit.

Abstract: Inertial suspension magnetic stabilizer that complements the suspension of vehicles and mobiles of different nature, opposing and compensating inertially to sudden impulses; mountable to wheel cups or to the wheel axis support, preferably constructed in a body preferably forming a hollow cylinder containing gaseous or liquid fluids, composed of a hermetic tubular body provided at its ends with fixed magnets and in its central area of a magnetically neutral sliding piston, supported by its magnet ends with equal polarity, facing, to that of the magnets fixed at the ends of the tubular body; sliding piston that in turn divides the tubular body into two hermetic chambers linked together, by a tube provided with a fluid regulating valve.

Abstract: A lead screw device includes: a lead screw; and a motor that rotates the lead screw, wherein the motor includes: a hollow shaft fitted onto a part of an outer circumference of the lead screw; and a rotor core fitted onto a part of the outer circumference of the hollow shaft.

Abstract: A two degree-of-freedom brushless DC motor includes a stator, a rotor, a plurality of distributed stator windings, and a stator voice coil winding. The stator includes an inner stator structure and a plurality of arc-shaped stator poles. The inner stator structure includes a main body and a plurality of spokes that are spaced apart from each other to define a plurality of stator slots. Each arc-shaped stator pole is connected to a different one of the spokes. The rotor is spaced apart from the stator, includes a plurality of magnets, and is configured to rotate about a plurality of perpendicular axes. The distributed stator windings are wound around the plurality of spokes and extend through the stator slots. The stator voice coil winding is wound around the outer surfaces of the arc-shaped stator poles. The arc-shape and spacing of the stator poles define the stator as being spherically shaped.

Abstract: A communication apparatus that includes a first antenna array having a first plurality of antenna elements, and a first plurality of thermoelectric devices that are arranged on the first plurality of antenna elements of the first antenna array. The communication apparatus further includes a processor that obtains traffic information of a geographical area surrounding a deployed location of the communication apparatus. The processor further controls each of the first plurality of thermoelectric devices to increase or decrease cooling from each of the first plurality of thermoelectric devices based on the obtained traffic information that indicates a number of user equipment (UEs) to be served in the geographical area.

Abstract: A system for providing torque includes a stator, a rotor, an axle, an endcap, an endbell, and a compliant member. The stator has a first end and a second end opposite the first end with a chamber therein. The rotor is at least partially positioned in the chamber and rotatable relative to the stator about a longitudinal axis. The axle has a first end, a second end opposite the first end, and supports the rotor. The endcap is located at a first end of the stator and adjacent to the first end of the axle, and the endbell is located at the second end of the stator and adjacent to the second end of the axle. The compliant member is positioned relative to the axle between a portion of the rotor and one of the endbell and the endcap.

Abstract: Provided is a rotating electric machine, including: a rotary shaft rotatably supported by a front bearing and a rear bearing; a field core firmly fixed to the rotary shaft; and a pulley fitted over the rotary shaft on one end side so as to be rotatable integrally with the rotary shaft. In the rotating electric machine, the pulley, the front bearing, and the field core are arranged in a stated order from the one end side of the rotary shaft toward another end side of the rotary shaft. The pulley is fastened to the rotary shaft with use of a male thread formed on the one end side of the rotary shaft and a nut to be mounted to the male thread. The rotary shaft has a flange portion, which projects radially outward, and is arranged to a position between the front bearing and the field core in an axial direction of the rotary shaft.

Abstract: Provided is a servo cylinder. The servo cylinder includes a reducer comprising a reducer main body connected to a motor and a speed reduction output part provided in the reducer main body, the speed reduction output part outputting power from the motor by reducing a rotation speed and increasing torque; a ball screw coupled to the speed reduction output part inside the reducer when one end portion region of the ball screw is inserted into the reducer, the ball screw performing a rotational motion by the speed reduction output part; and a motion conversion output part connected to the ball screw and converting the rotational motion of the ball screw to a linear motion and outputting a converted motion.

Abstract: A gearmotor includes a motor assembly, a gear assembly, and an electronics assembly. The motor assembly includes a rotor including a rotor shaft; a stator; and a stator retention apparatus. The stator includes a core defining a core orientation feature, and a plurality of coils. The stator retention apparatus includes an apparatus orientation feature and an electronics assembly support structure. The gear assembly includes an output shaft. The electronics assembly includes a rotor shaft rotation sensor that is radially spaced from a rotor shaft position indicium, an output shaft rotation sensor that is radially spaced from an output shaft position indicium, and a magnetic sensor mounted to the electronics assembly support structure. The core orientation feature and the apparatus orientation feature engage one another to position the stator retention apparatus radially and arcuately relative to the core, such that the magnetic sensor is positioned adjacent an axial coil margin.

Abstract: A screw shaft 22 constitutes a feed screw mechanism provided in an electric actuator. In the screw shaft 22 on which a mounting surface 22c for mounting a sensor target is formed, a portion where the mounting surface 22c is formed has a non-circular, line-symmetric cross section.

Abstract: A motor comprising a main shaft, a first rotating member mounted on the main shaft, the first rotating member comprising a first arm extending radially outward from the main shaft, the first arm having a length L, a second arm extending radially outward from the main shaft, a first magnet mounted on the first arm such that a first pole faces a recess between the first and second arms, and a second magnet mounted on the second arm such that the first pole faces the recess between the first and second arms. The motor further comprising a piston movable towards and away from the main shaft in a generally radial direction and positioned proximate the first rotating member, the piston comprising a first magnet.

Abstract: The invention relates to audio transducer technology, including audio tuning systems to be utilised in personal audio devices, such as headphone, earphones, mobile phones and the like. The audio tuning system optimises the frequency response of the personal audio device by using Diffuse Field curve characteristics. The audio transducers of the personal audio device incorporate low resonance designs, including low resonance transducer and diaphragm suspensions to further optimise the sound quality of the device. The invention also relates to an audio transducer diaphragm construction that includes a three-dimensional lattice which may be utilised in any audio transducer application.

Abstract: An actuator comprises a housing and a drive tube assembly disposed within the housing. The drive tube assembly includes a drive tube provided with internal threads, a piston nut provided with external threads which threadedly engage the inner threads of the drive tube, and an output shaft connected to the piston nut. A motor rotates the drive tube to cause the piston nut to reciprocate along a length of the drive tube and the output shaft to reciprocate relative to the housing. There are bearings which transmit axial loads from the drive tube to the housing and transmit radial loads from the drive tube to the housing.

Abstract: A hinge system having at least three hinge joints, consisting each of a hinge element and an associated contact member. The contact surface of the hinge element of each hinge joint moves relative to the contact surface of the associated contact member to enable rotatable oscillation of the hinge joint about a common axis of rotation during operation. The contact surface of each contact member is convexly curved and the hinge joints comprise convex surfaces facing in different directions to enhance operation of the hinge system. Multiple convex surfaces are preferably formed on a relatively rigid component to reduce manufacturing complexity and improve operation. The hinge system is particularly suited for audio transducer applications, but may also be used in other applications, such as in other electromechanical devices.

Abstract: An automated steering system for an agricultural vehicle operating in a row crop field. The automated steering system includes a correction system having a controller and an alignment sensor. The alignment sensor is disposed between two adjacently spaced crop rows and generates output signals indicative of the alignment sensor's lateral position relative to the two adjacently spaced crop rows as the vehicle advances in the forward direction of travel. The controller receives the generated output signals from the alignment sensor and determines an offset distance of said alignment sensor from a centerline between the two adjacently spaced crop rows. The controller outputs a modified vehicle position signal corresponding to the latitude and longitude position received from said GPS receiver shifted by the offset distance. The vehicle's on board navigation controller causes the vehicles on-board steering control system to steer the vehicle based on the modified vehicle position signal.

Abstract: An axial flux-type rotary electric machine includes a rotor having a rotor axis and a stator having a stator axis. The stator is positioned adjacent to the rotor such that an axial airgap is defined between the rotor and the stator. First and second non-parallel rotor shafts are respectively collinear with the stator axis and the rotor axis. A nutating gear pair is connected to a stationary member and the rotor, and is configured to impart nutating motion to the rotor with respect to the stator, such that a size of the axial airgap changes with a rotational position of the rotor, and such that the rotor has two degrees of freedom of motion. An electrical system includes direct and alternating current voltage buses, a power inverter module connected to the voltage buses, and the axial flux-type rotary electric machine connected to the alternating current voltage bus.

Abstract: A portable, self-contained vacuum tongue cleaning device uses a removable cleaning head so that different heads can be used with different users. The device includes a debris and saliva separator that removes the debris and saliva from the vacuum flow. This separator is carried by the cleaning head in order to minimize required cleaning of the base of the device. The base carries a vacuum pump, a power supply, a switch, and an inlet that allows the power supply to be recharged. The device is configured for emergency use in an oral surgeon's office wherein vacuum flow is required during surgeries.

Abstract: A radial flux electrical machine is disclosed. The machine comprises a body of the stator having a body that defines a longitudinal axis a substantially cylindrical inner surface and an inner volume, and having a plurality of electromagnetic elements, each of which includes a stator core of ferromagnetic material and a winding of electrically conductive material located around at least part of the stator core of the electromagnetic element, the electromagnetic elements being arranged around the inner surface of the stator, and operable to induce a magnetic flux field in a radial direction in the inner volume of the stator, and a rotor located within the inner volume of the stator, and rotatable with respect to the stator.

Abstract: A step actuator includes a housing, a stator in the housing, a rotor including a magnet provided radially inward of the stator and a nut member inserted into the magnet and protruding through one side of the housing, a bearing rotatably supporting the nut member, a screw member coupled with the nut member to linearly move as the rotor rotates, and a mounting member supported on one side of the housing to support the screw member in such a manner that the screw member is linearly movable. The nut member includes an end portion passing through the bearing and a coupling portion extending from the end portion to couple with the bearing.

Abstract: An autothrottle system for an aircraft includes a motor, an actuator assembly, and a position sensor connected to a moving portion of the actuator assembly. An electronic controller is provided for receiving an aircraft engine operating parameter and to control the motor to rotate the shaft to adjust the engine operating parameter based on the engine operating parameter and a position signal received from the position sensor. The actuator assembly has a bearing assembly having a plurality of bearings configured to contact a surface of the shaft to effect movement of the throttle lever attachment end.

Abstract: An extension-retraction link includes: a stationary shaft having a tubular shape; a first universal joint that connects the stationary shaft to a vehicle body side member; a movable shaft that can slide with respect to the stationary shaft; a second universal joint that connects the movable shaft to a hub carrier; and an actuator that moves the movable shaft. The movable shaft includes: a first plane surface; a second plane surface making an angle with respect to the first plane surface; a third plane surface opposite the first plane surface; and a fourth plane surface opposite the second plane surface. The stationary shaft includes: first to fourth bushes in contact with the first to fourth plane surfaces, respectively; a first elastic member pressing the third bush to the third plane surface; and a second elastic member pressing the fourth bush to the fourth plane surface.

Abstract: The magnetic gear includes a magnetic force generator (8), a driving shaft (1), a driven shaft (2) and a gear carrier (3) which are magnetically coupled in movement to one another. Only one magnetic force generator (8) is provided, which one magnetic force generator (8) has a north-south alignment that runs in the axis direction (111) of a shaft (1, 2) or parallel to this.

Abstract: A flywheel kinetic accumulator provides an accumulator assembly, in which a flywheel that is mounted on roll bearings rotates about a rotation axis; the flywheel is axially supported by two sets of magnetic elements (16, 16?) facing each other, arranged in two parallel planes, along two circular paths having the same diameter; one set is connected to the accumulator assembly, and the other to the flywheel; the magnetic elements (16, 16?) of the two sets are arranged in rotation, such that when a magnetic element (16) of the one set is aligned with a respective magnetic element (16?) of the other set along an axis that is parallel to the rotation axis, all other magnetic elements (16, 16?) are offset with respect to one another in order to reduce/eliminate the magnetic forces acting in the direction opposite to the rotation direction (V).

Abstract: A magnetic type rotation transmitting mechanism has a rotating plate made of a magnetic material, and a magnet to which the rotational movement of the rotating plate is transmitted through a magnetic coupling between the magnet and the rotating plate. When the rotating plate is rotated, a plurality of oblique edge portions formed on the outer peripheral edge of the rotating plate rotate while sequentially passing through a magnet-facing area. The oblique edge portions move in the direction of the rotation centerline of the rotating plate, the rotation centerline being perpendicular to the center axis line of the magnet. The magnet is rotated about the center axis line by a magnetic force occurring between the magnet and the oblique edge portions passing through the magnet-facing area. It is possible to realize a small and compact mechanism for extracting rotation.

Abstract: A motor of the present invention includes a stator having windings. The stator includes: a cylindrical outer member; a mold resin portion that molds the windings with a resin; and a stress non-transmitting portion provided between the mold resin portion and the outer member so as not to transmit stress to the outer member due to shrinking of the mold resin portion or reduce the amount of transmitted stress.

Abstract: An electric linear actuator has a housing with an electric motor mounted on the housing. A speed reduction mechanism and ball screw mechanism converts rotational motion to axial linear motion. A nut is rotationally but axially immovably supported by bearings on the housing. A screw shaft is coaxially integrated with the drive shaft. The shaft is inserted into the nut, via helical grooves and a large number of balls. The screw shaft is non-rotationally supported on the housing but is axially movable. The housing has a first housing and a second housing arranged with their end faces abutting against each other. Joining surfaces of the end faces of the first and second housings are sealed by a curing liquid curable material.

Abstract: An efficient energy saving progressive magnetic rotation motor utilizing interacting rows of magnets on field pole rotors and a main rotor. The field pole rotors have rows of permanent magnets with increasing numbers of magnets per row. The main rotor has magnets and an electro-magnet. Magnets are arranged in opposite direction and polarity on the field pole rotors in relation to the main rotor. Magnetic attraction of the field pole rotors to the main rotor magnets results in a progressive magnetic rotational action producing rotational output. The motor is started, operated and stopped utilizing an electronic controller. Constant rotation is maintained by pulsing the electro-magnet with the controller from a positive to negative pulse synchronized to a feedback sensor located on the main rotor shaft.

Abstract: An ultra high pressure pump having a servo motor coupled to a piston having a head arranged within a cylinder to define a pumping chamber, whereby the servo motor rotation causes reciprocal displacement of the piston to pressurize fluid in the pumping chamber to pressures greater than 50,000 psi, the servo motor having a feedback loop coupled to a computer, the feedback loop including a pressure feedback signal to control the pump pressure in real time.

Abstract: A draw press die assembly includes an upper die, a lower die positioned beneath the upper die, a blankholder for supporting an associated workpiece, and a blankholder drive mechanism connected with at least one of the upper die and the blankholder. The blankholder drive mechanism is configured to provide a pulsating movement of the blankholder with respect to the upper die.

Abstract: A connector case of a receiving member includes a peripheral wall portion, in which a seal groove is formed. An inserting portion of a cover member projects from a cover main body toward the connector case and is inserted into the seal groove. Positioning portions project from the cover main body toward the connector case on a side of the inserting portion where a receiving space is placed. Furthermore, a distal end of an inner wall portion of the seal groove is placed on a top side of a distal end of an outer wall portion. A distal end of the positioning portion is placed on a base side of a distal end of the inserting portion.

Abstract: The present invention provides a spring mechanism which can elastically deform an elastic deformation part with a film shape of a transducer into a shape having high symmetry, and also can be structured in a small size. A spring mechanism 2 includes: a cylindrical member 7 that is provided so as to extend toward a first element member 21 from an elastic deformation part 11 of a transducer 5, and also is arranged so as to slidably penetrate the first element member 21 in the direction of a central axis line C of the elastic deformation part 11; and a rod member 32 that is provided so as to extend toward the cylindrical member 7 from a second element member 22 side, and is slidably inserted in the cylindrical member 7 in the direction of the central axis line C of the elastic deformation part 11.

Abstract: A stepping motors includes a bracket including a first protruding line and a second protruding line formed on both sides, a stator and a rotor disposed on the bracket, a lead screw coupled with the rotor, and a moving member which moves back and forth according to a rotation of the lead screw, in which the moving member includes a first guide groove which slides on the first protruding line and a second guide groove which slides on the second protruding line, and the first guide groove and the second guide groove include first sections which have widths corresponding to the first protruding line and the second protruding line, respectively, and second sections which have greater widths than the first sections.

Abstract: Provided is a motor including a rotor section including a rotor core, a drive magnet attached to the rotor core, and a screw disposed in the rotor core and rotated with the rotor core; a nut member coupled to the screw and vertically moved upon rotation of the rotor section; a stator section disposed to be opposite to the rotor section; a sensor magnet disposed under the screw; and a circuit board on which a magnetic device disposed to be opposite to the sensor magnet is mounted.

Abstract: A well pump includes a plunger reciprocally carried within a barrel between up stroke and down stroke positions. A tubular linear actuator housing located below the barrel has a rotatable rotor. An array of rotor magnets is mounted to the rotor, directing rotor magnetic fields in an outward direction. A cage is fixed against rotation relative to the housing and carried within the housing for axial movement relative to the rotor and the housing. The cage has a cylindrical inner sidewall surrounding the outer sidewall of the rotor. An array of cage magnets is mounted to the inner sidewall of the cage. The cage magnets direct cage magnetic fields in an inward direction relative to the axis. The cage and rotor magnetic fields interact such rotation of the rotor causes axial movement of the cage. A motor rotates the rotor.

Abstract: There is provided a vibration generating device including: a driving magnet of a rotor part rotated around a shaft and a coil part disposed to face the driving magnet and electromagnetically interacting with the driving magnet to rotate the rotor part, wherein the number of poles of the driving magnet and the number of coils of the coil part are the same as each other.

Abstract: An actuator includes a ball nut, a ball screw, and a ball screw stop. The ball nut is adapted to receive an input torque and in response rotates and supplies a drive force. The ball screw extends through the ball nut and has a first end and a second end. The ball screw receives the drive force from the ball nut and in response selectively translates between a retract position and a extend position. The ball screw stop is mounted on the ball screw proximate the first end to translate therewith. The ball screw stop engages the ball nut when the ball screw is in the extend position, translates, with compliance, a predetermined distance toward the first end upon engaging the ball nut, and prevents further rotation of the ball screw upon translating the predetermined distance.

Abstract: An aspect of the present invention has a first disk-shaped member coupled to a first rotating shaft to rotate and a first plate-shaped member having a surface perpendicular to a surface of the first disk-shaped member and holding a first magnet. Moreover, a second disk-shaped member provided so as to face the first disk-shaped member and coupled to a second rotating shaft to rotate, and a second plate-shaped member having a surface perpendicular to a surface of the second disk-shaped member and holding a second magnet are provided. A magnetic pole of the first magnet on a side facing the second magnet and a magnetic pole of the second magnet on a side facing the first magnet have the same pole.

Abstract: The invention relates to a device (10) for mounting a shaft (1; 26) in a housing (100), having a bearing (5; 5b; 5c) which is connected to the shaft (1; 26) and which is arranged at least indirectly in the housing (100) by means of a positive or non-positive fit, wherein the bearing (5; 5b; 5c) is held in a separate holding body (11; 11a to 11c). It is provided according to the invention that the holding body (11; 11 a to 11c) is held so as to be fixed to the housing (100) in at least one direction by means of a positive and/or non-positive fit, and that the holding body (11; 11a to 11c) is connected directly to components of an electric motor (25).

Abstract: A system for tracing tubing which forms a conduit from a source of infusion liquid to a patient by way of an infusion pump has a vibration generator manually operable by a user to generate vibrations at an origin location along the tubing, wherein the vibrations are propagated by the tubing and have a vibration signature. A vibration sensor arranged at a destination location along the tubing receives the vibrations and generates a digital vibration signal. Signal processing circuitry connected to the vibration sensor processes and evaluates the digital vibration signal to determine a trace status of the tubing between the vibration generator and the vibration sensor. An indicator connected to the signal processing circuitry provides an indication of the determined trace status. Trace status possibilities include clear, cross-over, and null. A likely number of cross-overs may also be indicated.

Abstract: In one aspect, the disclosure herein provides an apparatus that in one configuration includes a first hydraulic power unit for supplying a first fluid under pressure to a first chamber for controlling motion of a first movable member and a second hydraulic power unit for supplying a second fluid under pressure to a second chamber for controlling motion of a second movable member, an input device configured to provide an input signal for controlling the motions of the first and second movable members and a processor configured to: receive the input signal from the input device; and independently set, in response to the input signal from the input device, a first electrical actuator to control an amount and flow rate of the first fluid to the first hydraulic power unit and a second electrical actuator to control an amount and flow rate of the second fluid to the second hydraulic power unit for controlling the motion of the first and second movable members.

Abstract: A linear motor includes a stator module, a rotor module and an extension rod. The stator module includes a first stator unit and a second stator unit. The first stator unit includes an upper end cap including an upper holder member and an upper bobbin integrally extended from the upper holder member. The second stator unit includes a bottom end cap and a second winding. The bottom end cap includes a bottom holder member and a bottom bobbin connected to the bottom holder member and abutted against the upper bobbin. The rotor module is rotatably mounted in the stator module. The extension rod is linearly movably mounted in the stator module. The upper bobbin is integrally extended from the upper holder member. The fabrication of the linear motor is simple, ensuring a high level of precision.

Abstract: A rotary drive includes: a support structure; and a linear actuator supported by the support structure. The linear actuator includes: a first member; a second member that moves in a linear direction relative to the first member when a drive signal is applied to the linear actuator; and a bearing arrangement supporting the first and second members within the support structure and enabling independent movement of the first member and the second member relative to the support structure. The rotary drive also includes a linear-to-rotary converter to which the second member of the linear actuator is coupled. The linear-to-rotary converter includes an output member having a rotational axis. During operation, the linear-to-rotary converter converts linear reciprocating movement of the second member of the linear actuator to rotary movement of the output member about the rotational axis.

Abstract: The invention relates to a starter device (10) for cranking an internal combustion machine in a vehicle, having a pinion shaft (202) comprising a cranking pinion (22) at the front end and a pinion shaft (204) at the opposite end, slidingly guided and supported on a drive shaft (44) of the starter device (10) and received in a bearing by a bearing shell (210) of the starter device (10), characterized in that the cranking pinion (22) has a solid lubricant coating (216) at least in the area of the circumferential toothing (143).

Abstract: A position measuring device includes a position detection unit, which may be used to process positional signals that result from scanning a code track by a scanning unit, into digital positional values, a first interface unit for the communication with a control unit via a data transmission channel, and a second interface unit for the communication with at least one peripheral unit. The first interface unit is a hard-wired interface, and the second interface unit is a wireless radio interface.