Abstract: A transmission mechanism is provided with an output gear drivingly coupled to at least one of a pair of output members and placed coaxially with the pair of output members. A direction in which a rotating electrical machine and an inverter device are arranged side by side in an axial view is defined as a first direction. A direction perpendicular to both an axial direction and the first direction is defined as a second direction. A first output member that is one of the pair of output members is placed between the rotating electrical machine and the inverter device in the first direction, at a position in the second direction where both the rotating electrical machine and the inverter device are placed. The output gear is placed in such a manner as to overlap each of the rotating electrical machine and the inverter device in the axial view.

Abstract: A transmission mechanism is provided with an output gear drivingly coupled to at least one of a pair of output members and placed coaxially with the pair of output members. A direction in which a rotating electrical machine and an inverter device are arranged side by side in an axial view is defined as a first direction. A direction perpendicular to both an axial direction and the first direction is defined as a second direction. A first output member that is one of the pair of output members is placed between the rotating electrical machine and the inverter device in the first direction, at a position in the second direction where both the rotating electrical machine and the inverter device are placed. The output gear is placed in such a manner as to overlap each of the rotating electrical machine and the inverter device in the axial view.

Abstract: A transmission mechanism is provided with an output gear drivingly coupled to at least one of a pair of output members and placed coaxially with the pair of output members. A direction in which a rotating electrical machine and an inverter device are arranged side by side in an axial view is defined as a first direction. A direction perpendicular to both an axial direction and the first direction is defined as a second direction. A first output member that is one of the pair of output members is placed between the rotating electrical machine and the inverter device in the first direction, at a position in the second direction where both the rotating electrical machine and the inverter device are placed. The output gear is placed in such a manner as to overlap each of the rotating electrical machine and the inverter device in the axial view.

Abstract: A transmission mechanism is provided with an output gear drivingly coupled to at least one of a pair of output members and placed coaxially with the pair of output members. A direction in which a rotating electrical machine and an inverter device are arranged side by side in an axial view is defined as a first direction. A direction perpendicular to both an axial direction and the first direction is defined as a second direction. A first output member that is one of the pair of output members is placed between the rotating electrical machine and the inverter device in the first direction, at a position in the second direction where both the rotating electrical machine and the inverter device are placed. The output gear is placed in such a manner as to overlap each of the rotating electrical machine and the inverter device in the axial view.

Abstract: A transmission mechanism is provided with an output gear drivingly coupled to at least one of a pair of output members and placed coaxially with the pair of output members. A direction in which a rotating electrical machine and an inverter device are arranged side by side in an axial view is defined as a first direction. A direction perpendicular to both an axial direction and the first direction is defined as a second direction. A first output member that is one of the pair of output members is placed between the rotating electrical machine and the inverter device in the first direction, at a position in the second direction where both the rotating electrical machine and the inverter device are placed. The output gear is placed in such a manner as to overlap each of the rotating electrical machine and the inverter device in the axial view.

Abstract: A transmission mechanism is provided with an output gear drivingly coupled to at least one of a pair of output members and placed coaxially with the pair of output members. A direction in which a rotating electrical machine and an inverter device are arranged side by side in an axial view is defined as a first direction. A direction perpendicular to both an axial direction and the first direction is defined as a second direction. A first output member that is one of the pair of output members is placed between the rotating electrical machine and the inverter device in the first direction, at a position in the second direction where both the rotating electrical machine and the inverter device are placed. The output gear is placed in such a manner as to overlap each of the rotating electrical machine and the inverter device in the axial view.

Abstract: A transmission mechanism is provided with an output gear drivingly coupled to at least one of a pair of output members and placed coaxially with the pair of output members. A direction in which a rotating electrical machine and an inverter device are arranged side by side in an axial view is defined as a first direction. A direction perpendicular to both an axial direction and the first direction is defined as a second direction. A first output member that is one of the pair of output members is placed between the rotating electrical machine and the inverter device in the first direction, at a position in the second direction where both the rotating electrical machine and the inverter device are placed. The output gear is placed in such a manner as to overlap each of the rotating electrical machine and the inverter device in the axial view.

Abstract: The invention refers to a hand guided and/or hand held electric or pneumatic power tool (1, 1?), comprising an electric or pneumatic motor (15, 100), a working element (9) realizing a working movement (11), when the motor (15, 100) is activated, and at least one gear arrangement functionally located between the motor (15, 100) and the working element (9) for transmitting a rotational movement and torque from the motor (15, 100) to the working element (9) in order to realize the working movement (11). It is suggested that the at least one gear arrangement is embodied as a magnetic gear arrangement (20, 21, 41) using magnetic fields to transmit the rotational movement and torque from the motor (15, 100) to the working element (9) without mechanical contact, in order to realize the working movement (11).

Abstract: A magnetic coupling assembly for a magnetic stirrer includes a non-magnetic disc embedded with two or more pairs of magnets. The two magnets of each pair are oriented with opposite magnetic poles pointing in the upward direction. When the magnetic coupling assembly is driven to rotate, it can bind one or more axially magnetized stir bar in a mixer at a relatively higher speed to achieve better mixing result without causing spin-out or jumping-flea phenomena, compared to when only one pair of magnets is used.

Abstract: A vehicle seat actuator includes an electric motor and a gear set that connects the drive motor to the seat and transmits the output of the motor to the vehicle seat. The drive motor and gear set are each disposed in an individual, dedicated housing component. The individual housing components are then assembled together to provide the actuator. The housing components are maintained in the assembled configuration using snap fit mechanical fasteners. Each snap-fit fastener includes a receiving portion provided on one housing component and a retaining portion provided on the other housing component. The receiving portion may be a through hole formed in the drive motor housing, while the retaining component protrudes from an outer surface of the gear housing and forms a snap-fit engagement with the receiving portion.

Abstract: A magnetic gear device including: an internal rotor and an external rotor in which a plurality of magnetic pole pairs are each placed in a circumferential direction substantially at equal intervals; and a holding member that is placed between the internal rotor and the external rotor and holds a plurality of magnetic materials in the circumferential direction substantially at equal intervals, wherein the number of magnetic materials is a difference between or a total of the numbers of magnetic pole pairs, the holding member includes a plurality of circular rings that hold the magnetic materials, and connecting rods that are placed in the circumferential direction substantially at equal intervals and connect the plurality of circular rings, the plurality of circular rings face each other via the magnetic materials, and each number of magnetic pole pairs is set to have the number of connecting rods as a divisor.

Abstract: A motor including a housing, a stator assembly, a rotor assembly, a controller, and a top end cover. The housing includes a cavity. The stator assembly includes a stator core and a stator winding and is housed in the cavity. The top end cover is disposed on the top of the housing. The rotor assembly includes a permanent magnet, a revolving shaft, and a rotor support. A bearing support extends inward from the center of a top end face of the top end cover, with a bearing chamber respectively provided on both ends thereof. The revolving shaft is disposed into and supports the bearing. A connection kit extends from the edge of the rotor support and outside the bearing support. The permanent magnet is disposed on the connection kit. The motor is characterized by simple and compact structure, lower cost, easy thermal dissipation, smaller axial dimension, and convenient assembly.

Abstract: A radial bearing is received in and is fixed to a bearing receiving portion of a yoke housing, which includes large and small diameter parts, to rotatably support a rotatable shaft. A thrust ball and a thrust plate are received in the bearing receiving portion on an axial side of the radial bearing, which is opposite from the rotatable shaft. The large diameter part receives and holds the radial bearing. The small diameter part holds the thrust ball. The thrust plate is held by an axial end area of the small diameter part.

Abstract: This disclosure discloses a rotating electrical machine that is integrally formed with a reduction device having an input shaft and an output shaft and employs one of a field system and an armature as a rotor and the other of the field system and the armature as a stator, including a rotating shaft to which the rotor is fixed and that is coaxially connected to the input shaft of the reduction device, and a bearing support member configured to support bearings that rotatably support the input shaft of the reduction device, wherein the stator is provided to the bearing support member.

Abstract: An electric motor that can be used in driving a compressor and that incorporates a magnetic gear. The motor has high and low speed stators mounted within a motor casing side-by-side that drive coaxial low and high speed rotors also mounted within the motor casing for rotation and within the high and low speed stators. The high and low speed stators produce rotating magnetic fields that rotate in opposite directions to drive the rotors under application of a multiphase alternating current. The low speed rotor has a set of ferrous pieces, rotating with the low speed rotor and mounted thereon between the high speed rotor and the high speed stator. The ferrous pieces produce a magnetic gearing effect to drive the high speed rotor at a higher speed than the low speed rotor and in an opposite direction to the low speed rotor.

Abstract: An actuator device for actuating equipment has an electric motor arranged to be connected to an autopilot device and connected by a drivetrain to an outlet shaft, itself designed to be connected to a control instrument, the drivetrain incorporating stepdown gearing dividing the drivetrain into a high-speed segment beside the motor and a low-speed segment beside the outlet shaft. The high-speed segment comprising a deactivator member for deactivating the autopilot device. The deactivator member having a first element secured to a first portion of the high-speed segment; a second element secured to a second portion of the high-speed segment and connected to the first element to allow the first element to be angularly offset relative to the second element when a torque for transmission reaches a predetermined threshold; and a detector member for detecting the angular offset.

Abstract: Electric-motor auxiliary drive for vehicles, in particular screen-wiper drive, having an electric motor and a gear mechanism, having at least two housing elements which are connected to one another and having a shaft which is mounted in a first housing element by way of at least one first bearing and in a second housing element by way of at least one second and one third bearing.

Abstract: A lithographic apparatus includes a positioner configured to position a first part of the apparatus relative to a second part of the apparatus, the positioner including a motor having a motor position dependent motor constant defining a relation between a motor input and a motor output, and a control system to drive the motor, the control system including a set-point generator to provide a reference signal based on a desired position of the first part relative to the second part, and a controller to provide a drive signal to the motor based on the reference signal, wherein the controller includes a compensator which is configured to at least partially compensate the drive signal for the motor position dependent motor constant. The invention further relates to a positioner, a method to optimize the positioning system, and a method to derive a motor position dependent motor constant.

Abstract: Provided is an actuator, comprising a motor/generator element and a clutch/brake element. The motor/generator element comprises a stator made of a high magnetic permeable material, an outer coil being wound around the stator; a rotor made of a high magnetic permeable material and with a plurality of permanent magnets fixed thereon; and a cavity configured to receive a fluid. The clutch/brake element is arranged in the cavity. An inner coil is wound around the clutch/brake element. The fluid is capable of producing a shear stress in response to an electromagnetic field induced from the inner coil.

Abstract: A moving magnetic field generating apparatus includes a magnet array including magnets disposed at a first pitch such that N and S poles of adjacent magnets in the magnet array are alternated, and first and second magnetic pole piece arrays extending along the magnet array to interpose the magnet array therebetween with a gap from the magnet array. The first and second magnetic pole piece arrays are disposed with a predetermined phase difference therebetween. The first magnetic pole piece array includes first magnetic pole pieces disposed at a second pitch in an array and each having a length enough to face at least two adjacent magnets in the magnet array. The second magnetic pole piece array is configured similarly to the first magnetic pole piece array. One of the first and second magnetic pole piece arrays and the magnet array is relatively moved to the other at a predetermined speed.

Abstract: An electromagnetic non-contact brake may include an annular stator assembly including a predetermined number of poles formed about the stator assembly. A rotor assembly is disposed within the stator assembly and may include a selected number of poles formed about the rotor assembly. A shaft may extend through a center portion of the rotor assembly and be fixedly attached to the rotor assembly. An electrical connection is adapted to controllably apply electrical power to at least one of the stator assembly and the rotor assembly. The electrical power causes a plurality of magnetic fields to be simultaneously generated around at least one of the stator assembly and the rotor assembly by the poles. Each of the plurality of magnetic fields causes the poles of the stator assembly and the poles of the rotor assembly to be magnetically attracted to one another to substantially prevent the rotor assembly and the shaft from rotating.

Abstract: A magnetic gear comprising: a first movable member having a first set of magnetic poles, a second movable member having a second set of magnetic poles, and a third movable member having a set of pole pieces; wherein the first and second members have magnetic poles at different spacings and the pole pieces are arranged to modulate the magnetic field acting between the magnetic poles, and control means arranged to control rotation of one of the members so as to vary the gear ratio between the other two members.

Abstract: An electromotor for regulating a drive in a motor vehicle. The electromotor includes an armature spindle mounted in a pole housing that includes a shell. At least on one front side of the shell a bearing cover is coupled thereon to accommodate an armature spindle bearing. The electromotor also includes a radial molding formed on the pole housing that receives a guide track of a gear assembly housing via radial insertion to fasten the electromotor to the gear assembly housing without the use of additional fasteners.

Abstract: An electric motor for actuators in a motor vehicle has an armature shaft, which is supported in a pole housing that includes a jacket and a bearing cover on at least on one end face for accommodating a bearing for the armature shaft, and at least one radial recess is formed in the pole housing, which, once the pole housing has been fully assembled, is suitable for engagement by at least one radial fastening segment of a transmission interface in the pole housing, in order to attach the electric motor to the transmission interface.

Abstract: A motor assembly (10) includes a permanent magnet DC motor (16) having a shaft (24) mounted for rotation with a face gear pinion (26) associated with the shaft. A jack shaft and clutch assembly (18) is associated with the face gear pinion and is constructed and arranged to prevent back drive of the motor under certain operating conditions. A spur or helical pinion (40) is operatively associated with the jack shaft and clutch assembly. A drive member (56) is operatively associated with the spur or helical pinion such that movement of the shaft and face gear pinion moves the spur or helical pinion to drive the drive member. A housing structure is defined by an upper housing (14) joined with a lower housing (12). The motor, the face gear pinion, the jack shaft and clutch assembly, the spur or helical pinion and the drive member are housed within the housing structure. Only one of the upper or lower housings includes mounting structure (25) constructed and arranged to mount the motor assembly to another object.

Abstract: A drive device includes an input shaft connected to an engine; a first rotating electrical machine and a second rotating electrical machine; a differential gear unit including a first rotating element, a second rotating element, and a third rotating element; and a control device. The first rotating electrical machine and the differential gear unit are positioned coaxially with the input shaft. The first rotating electrical machine and the second rotating electrical machine are positioned on different axes from each other so as to axially overlap each other. A first component of the control device is positioned lower than the first rotating electrical machine and positioned so that at least a part of the first component overlaps the first rotating electrical machine when viewed in a vertical top plan view.

Abstract: A direct drive torque motor comprises: a body, a direct drive torque motor, a main shaft, a bearing assembly, a brake assembly, a cooling assembly, and a position-sensing assembly. The bearing assembly is used to position the main shaft in the direct drive torque motor and the body. The brake assembly is disposed between the body and the main shaft. The cooling assembly is located in the body to cool the torque motor. The position-sensing assembly is mounted on the body for sensing the rotation of the main shaft and then controls the drive of the direct drive torque motor. With above arrangements, the direct drive torque motor can be used on various machines that need to rotate to perform various angle control, rotation control and accuracy control, it can improve the life and the modular application of the product.

Abstract: A driving system of a motor vehicle for providing vehicle propulsion power and accessory power includes an engine having an accessory belt providing power to at least one accessory machine and a motor/generator operatively connected to the accessory belt for alternately driving and being driven by the accessory belt. A one-way clutch vibration damper includes an engine input member and a belt interface. The input member is concentrically disposed with respect to the belt interface and is attached to an engine crankshaft for transmitting torque in a pre-determined direction. The belt interface rotates freely when torque applied by the motor/generator through the accessory belt is greater than the torque applied by the input member. The belt interface rotates at the same rotational speed as the input member when torque transmitted through the accessory belt is less than or in the opposite direction as the rotation of the input member.

Abstract: The present invention provides a driving unit for an analog meter. The size of the driving unit is modified into a column shape, so that the first tape and second tape of the stator unit can be placed in double layers, guiding more pins of the input terminal from the same side. The driving unit can simplify the manufacturing process, and the size of the components of the driving unit are greatly reduced, making assembly more flexible or emptying more space for other components. The more concentrated pin can be connected easily or can be provided with more options for connection.

Abstract: An electric drive (1) with a motor housing (16), a bearing plate (4), an electrically insulating brush holder plate (3) with formed-on plug housing (11), a printed circuit board (13) with plug lugs 14 which project through plug recesses of the brush holder plate (3) into the plug housing (11), where the brush holder plate (3) serves as a carrier for the printed circuit board (13). The objective of the invention is to present an electric drive which can be securely mounted and handled in an economical manner in which many electric and electronic components are accommodated in a space-saving manner and which has good interference suppression characteristics.

Abstract: A power generating system includes a torque converter system receiving a rotational motion having a first torque from a source and producing a rotational output having a second torque different from the first torque, a transfer system having a first portion coupled to the rotational output of the torque converter system and a second portion magnetically coupled to the first portion, and a generator system coupled to the transfer system to produce and electrical output.

Abstract: In an electric power steering apparatus that generates an auxiliary steering torque by a brushless motor in response to a steering torque applied on a steering wheel and transmits it to an output shaft of a steering mechanism while reducing it by means of a reduction gear, the apparatus comprises a rotor (10) to which a cylindrical permanent magnet for rotational driving (12) and a member to be detected (13) for detection of a rotational angle of the rotor are attached and a cylindrical stator (30) opposed to the rotor in which a laminated core (16) on which a coil is wound, detection means (17) for detecting the rotational angle of the rotor by the member to be detected and a terminal (19) for providing connection to the coil are integrally formed by resin molding. At least one bearing (8, 9) for rotatably supporting the rotor is disposed radially inside the stator and between the permanent magnet for rotational driving and the member to be detected.

Abstract: Drive device (10), in particular to raise and lower windows in a motor vehicle, with an electric motor (12) featuring an armature shaft (16), a printed circuit board (32) projecting out of an electronic housing (36), a gearbox housing (18) and several guides (44) to spatially fix the printed circuit board (32) in the gearbox housing (18), whereby different guides (44) interact with the printed circuit board (32) for different printed circuit boards (32) with different widths (62) and/or lengths and/or with different distances (66) to the armature shaft

Abstract: The linear synchronous motor consists of a specific primary and secondary part. The secondary portion is a ferromagnetic back plate. An array of permanent magnets are attached to the back plate so that a fixed or variable pole pitch occurs in a precise manner between at least two magnets of alternating polarity which improves existing methods for attaching, guiding, protecting and enhancing the overall flux array produced and emitted by the permanent magnets. A one-piece electrically synchronous linear secondary stator member accompanies a primary member, the synchronous linear permanent magnet motor. The stator electrical frequency is customizeable to allow for a wide variety of braking applications.

Abstract: An external rotor brush motor includes a permanent magnet mounted on a fixed shaft to form an internal stator, a front wheel and a rear wheel mounted on the shaft at two sides, the front wheel having an integrated belt pulley for the mounting of a transmission belt, a commutator provided at the rear wheel for synchronous rotation, a shell connected between the front wheel and the rear wheel for synchronous rotation; an iron core and a coil mounted inside the shell and forming an external rotor, a cover affixed to the shaft and covered over the commutator; and two electric brushes fixedly mounted inside the cover and respectively pressed on the commutator.

Abstract: A method of calibrating an equilibrium position of an actuator driven by an electric motor with the assistance of a compensating spring, wherein the actuator moves a mechanism and the mechanism opposes the movement with an elastic force, and wherein in the equilibrium position the compensating spring counterbalances the elastic force, includes the following steps: applying a large-amplitude, high-frequency alternating position signal to energize the electric motor, wherein the position signal is biased so that alternating extremes of the position signal straddle the equilibrium position, measuring an actual dynamically variable position of the actuator by means of a position sensor, and determining the equilibrium position as that position where the actuator settles.

Abstract: A motor assembly 30 includes an electric motor 32 having a rotatable shaft 40, the shaft 40 having a worm 38; and a gear unit 33 operatively associated with the motor, the a gear unit has first and second opposing ends. The gear unit 33 includes a gearwheel 36 operatively coupled with the worm 38 of the shaft 40 such that rotation of the shaft rotates the gearwheel. A driver 42 is operatively coupled with gearwheel so as to rotate therewith. The driver 42 is constructed and arranged to provide a driving member 43, 44 accessible at each of the first and second ends of the gear unit.

Abstract: A smoothing roll for an apparatus for smoothing plastic foils and plates is driven directly by a rotor coaxially received with a stator in an outer housing with the rotor supported by a bearing on the outer housing or on a part of the housing extending coaxially into the rotor. The vibration-free arrangement eliminates chatter marks on the smoothed product.

Abstract: The invention pertains to a motor housing (1) as well as a pole cover (2), especially for window lift or sunroof motors, having at least one pole cover (2) and a housing (3) closing off the pole cover, which are fastened together using fasteners (4), whereby the pole cover (2) has multiple receptacles (5) for the fasteners (4), and the housing (3) closing off the pole cover has multiple counterreceptacles (6) for the fasteners (4) and for differing housings (3) which close off the pole cover differing receptacles (5) on the pole cover (2) cooperate with the counterreceptacles (6) by fasteners (4).

Abstract: A rotational sensor of a motor includes a sensor magnet and a sensing element. The sensor magnet is secured to a driving-side rotator of a clutch, which is connected to a rotatable shaft of the motor, to rotate integrally therewith. The sensing element measures a rotational speed of the sensor magnet. Furthermore, the sensing element is secured to a motor case in such a manner that the sensing element opposes the sensor magnet.

Abstract: A 3-in-1 motor power system comprises a motor body, a drive control mechanism, and a power transmission mechanism. A drive control circuit box is installed at an end face of the motor body, and a gear housing wherein a deceleration gear module is disposed is installed at the other end face thereof. A circuit board is disposed at an end face of the motor' stator. Stator's signals are transmitted via signal conducting needles to a drive control circuit in the circuit box. A rotor's lower bearing seat is disposed at the other end face of the motor's stator. A solar gear is disposed at the tail end of the rotor's axle, and engages planetary gears of the deceleration gear module. A deceleration gear seat is separately installed at the outer end face of the rotor's lower bearing seat. The deceleration gear module is received in the deceleration gear seat.

Abstract: A control device for rotating a tube supporting a roller member to be wound onto or unwound from the tube has at least one electric motor housed in the tube and drive mechanism for transmitting the motion from the motor to the supporting tube. The motor is an electric three phase motor having at least four poles. The drive mechanism preferably has a single-stage mechanical reduction gear such as a planocentric reduction gear.

Abstract: A geared motor is used control the movement of a vehicle member, such as a window. A reducer casing is arranged at one end of the motor and includes a sensor assembly for detecting the speed and direction of rotation of the motor. The sensor assembly includes a coded magnetic wheel and Hall effect cells that arc positioned between the wheel and a member for concentrating magnetic flux. The Hall effect cells are placed opposite from a lateral face of the wheel and are spaced apart from one another. Output from the cells is sent to a processor to determine the speed and direction of rotation of the motor.

Abstract: An automotive AC dynamo-electric machine is capable of providing a sufficient rotational output for starting an engine by running a rotor at high speed in a motor operation mode for starting the engine, thus obviating the need for increasing a size thereof. In the motor operation mode, an electromagnetic clutch follower connects to an electromagnetic clutch main body and also engages a cylindrical member to brake the cylindrical member. An internal gear portion provides a fixed element, and torque of a rotor is transmitted to a power transmission device via a rotor shaft, a sun gear, a planetary gear, and a carrier.

Abstract: An electric drive unit for windshield washers of a motor vehicle, including a drive motor having an armature accommodated in a substantially cup-shaped pole housing, a substantially cup-shaped gearbox, secured by its face end to the pole housing, for receiving at least one transmission gear wheel that meshes with a worm connected to an armature shaft of the armature. The armature shaft has a mushroom-shaped stop face on its face end, against which a spring for generating a defined initial stress comes to rest. The spring is a curved bendable spring, which has a substantially V-shaped profile, with a tensioning plate secured in the gearbox and with a leg that yields in the axial direction of the armature shaft, which in the installed state of rest, the spring exerts a spring force, on the mushroom-shaped face of the armature shaft.

Abstract: A permanent magnetic generator comprises a base 21 having fixedly a first magnetic body 23; a stator member 35 horizontally disposed above the base 21 through support members 27 and has a stator support 36; a drive-motor support 50 horizontally disposed and fixed to the support members 27 such that a space 61 is formed above the stator member 35; a rotoary shaft 55 penetrtes a first center hole 42 formed in the stator support 36 and a second center hole 51 formed in the drive-motor support 50 and is supported by means of bearing 43 and 52; a rotor 60 fixed to the rotary shaft 55 to be located within the space 61 and has annular permanent magnets 65 that face stator windings 38 of the stator member 35; a second magnetic body 56 fixedly attached to the projected lower end 55a of the rotary shaft 55 such that the second magnetic body 56 floats due to a repulsive force generated between the first and second magnetic bodies 23 and 56; a bearing member 80 attached to the drive-motor support 50 in order to support t

Abstract: A work unit for automatic machine tools is provided with a spindle that moves in translation and rotates with respect to a work axis. The spindle is housed within a sleeve that is slidable along the work axis, with the spindle being rotatable within. Rotation of the spindle is controlled by a drive unit mounted directly on the spindle and arranged inside the sleeve, which eliminates the need for a separate transmission mechanism and thereby results in a simplified construction of the work unit and an increase in performance.

Abstract: A contact shaft moving device that reduces the wearing of a pinion in a ring gear. More specifically, the contact shaft moving device moves a contact shaft in such a direction as to cause a moving contact to be in direct contact with a stationary contact after a plunger is attracted and moved for a certain period of time by an exiting coil. The movement of the plunger also assists in moving the pinion into abutment with the ring gear prior to contact between the moveable and stationary contacts.

Abstract: A compact, self contained brushless motor assembly which has a stator fixedly mounted onto a hub. Located about the stator is a rotor with a shaft being connected to the rotor which is conducted through a center through hole formed within the hub. A heat sink is attached to the hub. A controller is mounted onto the heat sink with heat generated by the controller to be dissipated by the heat sink. Rotation of the rotor causes rotation of a shaft which passes through the center through hole with this shaft to be optionally connectable to a planetary gear system. The planetary gear system is to be mounted within an alcove formed within the heat sink.

Abstract: An actuator for an HVAC system includes a motor coupled by an electrically operated clutch to a gear train which drives an output connector. A spring is connected to the transmission to drive the output connector to a normal position in the event of a power failure. A control apparatus is connected to the transmission and provides the combined functions of a magnetic eddy current brake and a motion sensor.