Abstract: An electromechanical device includes at least one magnetic coil formed of an electric wire coated with a first insulating material wound a plurality of times to have a ring-like shape, and an insulating section made of a second insulating material and disposed so as to cover at least apart of the magnetic coil, and a withstand voltage between an outside of the insulating section and the magnetic coil across the insulating section is higher than a withstand voltage between the electric wires adjacent to each other in the magnetic coil.

Abstract: A device for moving a movable structural component with respect to a stationary structural component includes a first fastening element which can be fastened to the movable structural component, and a housing tube having a second fastening element which can be fastened to the stationary structural component. A spindle drive for moving the first fastening element axially relative to the housing between an extended position and a retracted position includes a spindle nut arranged on a threaded spindle. An electric motor arranged in the housing tube drives one of the spindle nut and the threaded spindle in rotation. A power supply for supplying power to the electric motor includes a power output stage arranged in the housing tube, wherein the power output stage is shielded from electrical and magnetic fields.

Abstract: An air-gap is between a rotor and a stator. The stator comprises a number of stacked laminate-plates. The laminate-plates are positioned and fixed by a structural support and by end-plates in relation to a central-part of the stator to achieve the air-gap. A cavity is formed by the end-plates, the central-part of the stator, the air-gap and an internal surface of the rotor. An air-cooling arrangement is arranged and used to circulate a gaseous medium for cooling purposes inside the cavity.

Abstract: An actuator includes a movable plate having a plate shape, a pair of axial parts that is elastically deformable and supporting the movable plate rotatable, and a tension adjuster adjusting tension on an axial direction of the pair of the axial parts and including a torsional axis that is formed jointly or integrally with one of the axial parts and disposed orthogonally to the axial direction of the axial parts, and a drive source that torsionally deforms the torsional axis, wherein the torsional axis is torsionally deformed through the action of the drive source and a spring constant of the pair of the axial parts is adjusted by adjusting the tension on the pair of the axial parts.

Abstract: A drive device control unit that controls a drive device including a rotating electrical machine, the drive device control unit includes a control substrate that controls the drive device; a switching element module that forms an inverter that drives the rotating electrical machine; a smoothing capacitor that smoothes an input power supply of the inverter; a first base having the switching element module fixed thereto; and a second base supported by the first base and having the smoothing capacitor fixed to a first surface of the second base, wherein the control substrate is fixed to a second surface of the second base opposite to the first surface having the smoothing capacitor fixed thereto.

Abstract: A component for introducing disturbances into the magnetic field of an asynchronous motor by altering a reluctance of the motor is disclosed. An asynchronous motor is provided that includes a stator having a plurality of windings that is configured to generate a rotating magnetic field when a current is provided to the plurality of windings. The asynchronous motor also includes a rotor positioned within the stator configured to rotate relative thereto responsive to the rotating magnetic field and a component separate from the stator and the rotor that is positioned within the rotating magnetic field, with the component being configured to alter a magnetic reluctance of the rotor so as create a disturbance in the rotating magnetic field.

Abstract: An electric motor (10) for a machine tool or the like. The electric motor (10) is provided with a shaft (12) on which an encoder disk (15) is arranged. A first bushing (17) is provided and is connected to the encoder disk (15). The encoder disk (15) is arranged with a sliding fit on the shaft (12), and rests on a stop in the axial direction. A second bushing (18) is provided, which is arranged adjacent to and at a distance from the first bushing (17) on the shaft (12), and is arranged with an interference fit on the shaft (12). A compression spring (19) is arranged between the first bushing (17) and the second bushing (18) such that the first bushing (17) is pushed against the stop.

Abstract: The invention provides an electric motor including a tubular insulator that insulates coils of each of U, V, and W phases that makes a rotor rotated by an electromagnetic force, and a stator core around which the coils are wound; and a plurality of busbars that are fixed to the insulator to relay feed of power to the coils that constitute each phase. Ring-shaped terminals directly connected to an external driving circuit board for controlling a driving current leading to each phase of the coils, without via separate connecting members, are integrally formed in the busbars, respectively.

Abstract: There is provided a compressor provided with a motor rotor capable of suppressing a decrease in oil separation efficiency and avoiding a decrease in motor efficiency. A motor rotor (10) includes a substantially cylindrical rotor laminated steel plate including a permanent magnet therein. The rotor laminated steel plate includes a plurality of refrigerant gas holes (18) passing therethrough in the axial direction and a plurality of rivet holes (20) arranged in the circumferential direction and passing therethrough in the axial direction. At least one of the rivet holes (20) is used as a positioning hole (20b) to insert a positioning pin for positioning in the rotation direction at the time of rotor magnetization.

Abstract: In accordance to an aspect of the disclosed embodiments, a substrate transport apparatus is provided. The substrate transport apparatus includes a frame defining a chamber, at least one stator module embedded at least partly into a peripheral wall of the chamber, the at least one stator module defining an axis of rotation. The substrate transport apparatus further includes at least one rotor substantially concentrically disposed relative to the at least one stator module about the axis of rotation, the at least one rotor being configured to interface with the at least one stator module and being suspended by a respective one of the at least one stator module substantially without contact within the chamber. The substrate transport apparatus further includes at least one substrate transport arm connected to the at least one rotor and having at least one end effector configured to hold at least one substrate.

Abstract: A brushless motor includes a substantially flat attachment plate and a circuit board. The attachment plate includes a plurality of motor attachment portions and a base portion arranged to interconnect the motor attachment portions. The circuit board is arranged on an upper surface of the base portion and includes a first area to which electronic parts are attached. The upper surfaces of the motor attachment portions are arranged higher than the upper surface of the base portion. The height of the upper surface of the circuit board in the first area is substantially equal to or greater than the height of the upper surfaces of the motor attachment portions.

Abstract: An apparatus for routing conductors, such as signal carrying conductors, from within an electro-mechanical machine housing to a location outside the housing is provided. The apparatus includes a base for fitting in a first opening in the housing and securing a lower portion of the apparatus to the housing. The apparatus also includes a channel for carrying the conductors, which may be formed in a shape corresponding to a profile of a portion of the housing. The apparatus includes a fastener, such as a snap-type mechanical fastener, for securing the apparatus to the housing.

Abstract: An elongation ring adapted for use in a self-ventilated traction motor and for fixed placement between the non-driving end of the motor housing and a motor end shield. The ring has radial air outlet openings placed along its circumference and is adapted to enclose a fan wheel fixed on a motor driving shaft. A traction motor having such an elongation ring is also contemplated. The elongation ring provides a possibility to easily adapt a motor housing to different motor types such as a self-ventilated motor with the ring, or one with forced ventilation without the ring.

Abstract: A universal three dimensional motor generator system is provided with magnets and permanent magnetic and/or electromagnetic windings on rotors and stator for compounding and multiplying the order of voltage or potential to or from a machine. Three rotating rotors mechanically interconnected through gears and coils are strategically positioned within a housing that allows the multiple input and/or output of single and/or three phases A/C, D/C or in combination. When input power is supplied to rotor one, rotor two and rotor three start rotating along with rotor one due to gear arrangement to generate/produce power which is fed back to rotor one. This generated/produced power can/will be utilize to supplement the input power to maintain the synchronous speed across the designed load or combined to increase the output rating of machine.

Abstract: The power distribution unit for a rotary electric machine includes a connecting ring unit that connects stator coils of the same phase. The connecting ring unit includes at least one linear conductor integrally formed in a ring-like shape, and the connecting ring unit includes a terminal section integrally formed in the linear conductor. The terminal section is constituted by a hole through which a wiring end of the stator coil is inserted and a protrusion formed in a direction of the hole to which the wiring end of the stator coil is connected. Also disclosed are a rotary electric machine includes the power distribution unit and a method for assembling a rotary electric machine.

Abstract: A torsional MEMS device is disclosed. The torsional MEMS device includes a support structure, a platform, and at least two hinges, which connects the platform to the support structure. The platform has an active area and a non-active area. A plurality of sacrificial elements is disposed in the non-active area. If the resonant frequency of the torsional MEMS device is less than a predetermined standard resonant frequency of the torsional MEMS device, at least one sacrificial element is removed to reduce the total mass of the torsional MEMS device, and so as to increase the resonant frequency of the torsional MEMS device.

Abstract: A method, system and assembly for transferring electrical power adapted to provide power to a grounded aircraft is provided. The assembly comprises a first and second insulated electrical conductor and a plug body, attached to ends of these conductors. A first contact and a second contact is provided within the plug body, having electrically conductive connections with the first and second conductors. A non conductive support bar disposed at least partially within the plug body separating at least portions of the first contact and the first conductor from the second contact and the second conductor.

Abstract: Furniture drive for moving a furniture part which is mounted in a vertically adjustable manner, having a drive apparatus, which has an electric motor, for moving the movable furniture part, and having a compensation device which exerts a force which is opposite to the weight force on the movable furniture part, wherein a measuring device is provided for detecting the weight of the movable furniture part, and therefore the force exerted by the compensation device on the movable furniture part can be variably adjusted as a function of the measured weight of the movable furniture part by an adjusting device which has a further electric motor and can be actuated by the measuring device.

Abstract: The invention relates to a device and a method for generating a force and/or a movement. The force and/or the movement are generated or the energy of the force and/or the movement is stored by utilizing a magnetic field. The magnetic field is generated with a charge current circuit (4) including a charge part and a structure generating the magnetic field without a separate winding. The charge current circuit (4) is used either to generate the magnetic field producing the force and/or the movement, or the force and/or the movement generates a variable magnetic field, the current induced by which is conducted to the charge part of the charge current circuit (4).

Abstract: A generator has a rotor boss engaged with a crankshaft with a rotor core engaged with the outer circumference of the rotor boss. A stator core is provided around the outer circumference of the rotor core with a bus ring opposed to one end surface of the rotor core. The outer circumference of the bus ring is engaged with a plurality of insulating components surrounding the teeth. The stator core has a split structure composed of a plurality of stator core blocks connected together. Each stator core block is fixed to a generator cover by a bolt. The generator cover is fixed to the outer surface of a crankcase. The rotor core is formed with a plurality of holes for respectively supporting a plurality of rotor magnets. The bus ring includes a plurality of terminals and grommets connected through bus bars to the terminals.

Abstract: Provided is a spindle motor on which an optical disc is put, rotated and operated. The spindle motor includes a rotor, a stator, a stop washer, and a cap. The cap is put on a thrust supporter that supports a rotation shaft of the rotor, and the cap is pressed into a bearing housing and is closely attached to the bearing housing so that the cap can be easily, closely attached to the bearing housing and due to a press fit force, the cap can be coupled to the bearing housing without formation of a gap between the bearing and the bearing housing and leakage of oil can be prevented, and a press fit force of the bearing and a press fit force of the cap itself act on the cap so that the cap can be prevented from upward separation from the bearing housing.

Abstract: A bypass valve assembly for a generator includes a spring cover with a flange which extends in a radial direction from a spring cover body. The spring cover body defines an overall length dimension, the overall length dimension to an end of the spring cover body to the flange dimension defines a ratio between 1.6:1-1.2:1. The bypass valve assembly also includes a valve sleeve with a multiple of windows. Each of the multiple of windows includes a longitudinal edge which defines a longitudinal edge radius and corner radius.

Abstract: The invention relates to a fluid dynamic bearing having a bearing bush having a central bearing bore in which a shaft is rotatably supported. Surfaces facing each other of the shaft and of the bearing bore are separated from one another by a bearing gap filled with a bearing fluid. A first radial bearing section and a second radial bearing section are disposed along the bearing gap between which a separator section is disposed. The width of the bearing gap varies with its axial length. The bearing gap has a first inner width ib1 and a second inner width ib2 in the region of the first and of the second radial bearing section on the sides facing the separator section and a first outer width ab1 and a second outer width ab2 on the sides remote from the separator section. According to the invention, the differences resulting from the inner widths and the outer widths ib1?ab1 and ib2?ab2 ib1, lie in an interval of a?t to a+t, where a is greater than zero and t is greater than a.

Abstract: An electric motor and modular system of electric motors includes at least a stator, rotor, and a housing, the modular system including several variants of electric motors, e.g., within one size, the housing having a mechanical interface that is arranged for connection to a bearing support, the bearing support including at least a bearing seat for the B-side bearing of the rotor shaft, at least two different bearing supports being alternatively connectible to the housing, a first bearing support including an additional interface for connection to a bottom part of a terminal box, or alternatively to a bottom part for power electronics, and the first bearing support forming a housing for a brake and/or a fan, a second bearing support being constructed in one piece with a bottom part of a terminal box.

Abstract: An accelerometer includes a pressure transducer; and a vibration-to-pressure converter (VPC). The VPC may include a housing mechanically coupled to an object to be measured, and a diaphragm sealing the housing to form a chamber, the chamber being fluidly coupled to the pressure transducer. A power generator and motor including the accelerometer are also presented.

Abstract: A charging/powering device comprises at least one manually rotatable element, a power generating mechanism coupled to the at least one rotatable element, the power generating mechanism converting rotational movement of said at least one rotatable element into electrical energy and an energy harvesting module collecting and storing the electrical energy generated by the power generating mechanism, the energy harvesting module further being operable to output stored electrical energy.

Abstract: A combined motor-battery system comprising an electric power source adapted to convert self-originating electrical current to mechanical power utilizing a set of common functional structures. Preferred embodiments include an electrochemical cell comprising field reactive electrodes that directly produce extractable mechanical forces in the presence of a magnetic field.

Abstract: A control system for placing controlled members in required positions including two control columns assigned to the controlled members to be moved, each control column having two degrees of freedom. Two actuators controlled by two control circuits apply to their associated control column either a resisting torque or a displacement torque. Each control column is provided with a mechanical spring system spring-loading the associated control column into its neutral position and adapted to provide, in the event of manipulation of the corresponding control column, a resisting torque in support of the resisting torque supplied by the associated actuator.

Abstract: A stator assembly detachably mounted with a fan housing. The stator assembly includes a stator including one or more first mounting feet and one or more second mounting feet disposed apart from each other. Additionally, the stator assembly includes a printed circuit board (PCB) having one or more first openings and a fan housing having a base member fixed to a bearing liner. The base member includes one or more second openings disposed about the bearing liner. The stator is coupled to the PCB into a stator-PCB assembly with each of the one or more first mounting feet being locked with one of the one or more first openings. The stator-PCB assembly is center-aligned with respect to the bearing liner and coupled to the fan housing with each of the one or more second mounting feet locked with one of the one or more second openings.

Abstract: The invention relates to a spindle for a machine tool, in particular a motor spindle having a housing (2) for accommodating an electric motor (3) and a shaft (6) which can be driven by the latter, in particular having a tool holder for a tool for machining workpieces, wherein at least one data acquisition element (8) for recording operating and/or state data of the spindle is provided, and wherein the data acquisition element is in the form of a radio chip and can be read by radio using a read element (9).

Abstract: A generator monitoring system and method includes a plurality of sensors (12) disposed within a generator enclosure (18) to sense health conditions of a generator (10) housed within the enclosure. The sensors are interconnected to provide a single communication path (14) for allowing communication with the plurality of sensors. A monitoring device (16) outside the generator enclosure receives health condition information from each of the plurality of sensors via the single communication path. A sensor may be disposed within the generator enclosure to detect particulates emitted from a monitored portion (e.g., 52) of the generator housed within the enclosure. A sensor may be disposed proximate a bus bar connection (130) of the generator to sense a health condition of the bus bar connection and generate corresponding health condition information provided to the monitoring device.

Abstract: The present invention relates to an axial spring element, and an electric machine (10), in particular for driving functional elements in a motor vehicle, with a rotor shaft (12), which is rotatably supported in a housing part (16) of a housing via a roller bearing (22, 20) An axial spring element (32) is located between the roller bearing (22, 20) and a rotor component (34) installed non-rotatably on the rotor shaft (12). The axial spring element (32) includes an inner ring (40) and an outer ring (42), which are interconnected in an axially resilient manner, and the outer ring (42) is axially connected to the rotor component (34).

Abstract: The present invention relates to a fixing structure of motor spindle, which includes a spindle and a snap ring. One end of the spindle has a snap slot with a reduced diameter, and the inner hole of the snap ring shall be slightly greater than the maximum outer diameter of the snap slot, thereby maintaining a gap with a radius difference between the inner hole of the snap ring and the snap slot of the spindle in size of less than or equivalent to 0.37 mm. Meanwhile, by means of the holding effect of a bearing and a bottom cap, the snap ring of the present invention won't rotate with the spindle and won't generate noise due to abrasion with the spindle. Not only can the snap ring stably hold and fix the spindle to prevent the spindle from disengaging, but also it is free of the noise issue out of abrasion.

Abstract: The present invention is directed to an actuator assembly (10) having an actuator device (26) operably associated with a housing (16), one or more rotating gear members (46, 48, 52) operably associated with the actuator device (26), a bearing member (76) operably associated with the one or more rotating gear members (46, 48, 52), and a cam (66) operably associated with the one or more rotating gear members (46, 48, 52), for translating rotary motion of the gear members (46, 48, 52) to axial motion. When the actuator 0 device (26) is actuated, the one or more rotating gear members (46, 48, 52) rotate, causing the bearing member (76) to move on the cam (66).

Abstract: Provided is a spindle motor on which an optical disc is put, rotated and operated. The spindle motor includes a rotor, a stator, a stop washer, and a cap. The cap is put on a thrust supporter that supports a rotation shaft of the rotor, and the cap is pressed into a bearing housing and is closely attached to the bearing housing so that the cap can be easily, closely attached to the bearing housing and due to a press fit force, the cap can be coupled to the bearing housing without formation of a gap between the bearing and the bearing housing and leakage of oil can be prevented, and a press fit force of the bearing and a press fit force of the cap itself act on the cap so that the cap can be prevented from upward separation from the bearing housing.

Abstract: A modular electromechanical actuation system assembly is provided that includes an electronic control unit housing having a plurality of motor receptacles and a plurality of battery receptacles formed in an outer surface thereof. Each of the motor receptacles has an associated motor electrical interface, and each of the battery receptacles has an associated battery electrical interface. An electronic control unit is disposed within the electronic control unit housing and is electrically coupled to each of the motor electrical interfaces and each of the battery electrical interfaces. A plurality of motors are supported, one each, within one of the motor receptacles, and a plurality of batteries are supported, one each, within one of the battery receptacles.

Abstract: A flux-switching machine stator comprising two or more C-cores, each C-core having two legs and a back portion joining the legs, and a permanent magnet arranged between legs of adjacent C-cores. Each leg has a main portion and a tip portion further from the back portion characterized in that the tip portion of each leg is angled relative to the main portion of the respective leg.

Abstract: A generator has a rotor boss engaged with a crankshaft with a rotor core engaged with the outer circumference of the rotor boss. A stator core is provided around the outer circumference of the rotor core with a bus ring opposed to one end surface of the rotor core. The outer circumference of the bus ring is engaged with a plurality of insulating components surrounding the teeth. The stator core has a split structure composed of a plurality of stator core blocks connected together. Each stator core block is fixed to a generator cover by a bolt. The generator cover is fixed to the outer surface of a crankcase. The rotor core is formed with a plurality of holes for respectively supporting a plurality of rotor magnets. The bus ring includes a plurality of terminals and grommets connected through bus bars to the terminals.

Abstract: Thread structure for the shaft grounding of an electric motor having a thin thread formed on the surface of the slip ring or the shaft to replace the conventional face contact with the “linear contact” between the surface of the carbon brush and the thread head. During the rotation, the development of friction heat and the oxidation film will be substantially eliminated. Furthermore, the effect of spiral conveyor belt is created when the thread rotates. This can remove the toner, copper powder, etc. produced by friction acting on the surface of the carbon brush and keep a permanent cleanness of the surface of the carbon brush. In this way, a stable contact resistance between the shaft (or the slip ring) and the carbon brush can be maintained and a long-term test shows that the wear of the carbon brush will be further reduced before improvement.

Abstract: In a bushing which has a terminal with a bend for connecting a conduit tube and a lead tube, the effect to cool the inner corner of the bend is enhanced. The bushing includes a conductive conduit tube, a conductive lead tube, and a terminal. The terminal has a bend and connects the conduit tube and the lead tube. Electric current and cooling gas flows in these tubes. A cooling means is provided for forced cooling of the inner corner of the bend of the terminal. One example of the cooling means is a guide vane which makes cooling gas flowing in the bushing come closer to the inner corner of the bend. A larger current can flow even when the bushing has the same size as a conventional one.

Abstract: An image stabilization apparatus for stabilizing an image sensor is disclosed. The image stabilization apparatus includes a transmission component whereon a slot is formed. The image stabilization apparatus further includes a rotary motor including an annular rotor connected to the transmission component, and an annular stator disposed on a side of the annular rotor. The annular rotor is capable of rotating relative to the annular stator. The image stabilization apparatus further includes a carrier for carrying the image sensor. The carrier includes a shaft disposed inside the slot in a slidable manner. The image stabilization apparatus further includes a linear motor coupled to the transmission component and the shaft of the carrier for driving the carrier to slide inside the slot.

Abstract: A power tool has an electric motor that includes a commutator, with which at least one commutator brush is acted upon with spring force via at least one commutator spring in the direction of a non-rotatable collector of the commutator. At least one auxiliary tool for adjusting the commutator spring is located on a component of the power tool.

Abstract: A combined motor-battery system comprising an electric power source adapted to convert self-originating electrical current to mechanical power utilizing a set of common functional structures. Preferred embodiments include an electrochemical cell comprising field reactive electrodes that directly produce extractable mechanical forces in the presence of a magnetic field.

Abstract: A tandem windshield wiper system including a first windshield wiper assembly having a first lever arm that is adapted to operatively move in a repeated wiping motion across the surface of a windshield. A second windshield wiper assembly having a second lever arm is spaced apart from the first windshield wiper assembly and is rotatable about a second wiper longitudinal axis and adapted to operative move in a repeated wiping motion across the surface of the windshield. A brushless DC motor that includes a planetary gear set having an output shaft is disposed between the first and the second wiper assemblies. The gear set is operable to reduce the speed of the rotational output of the motor through the output shaft of said gear set. A bellcrank having a central attachment point and a first and a second end is also included. The central attachment point is fixedly mounted to the output shaft of the motor.

Abstract: A tandem windshield wiper system that includes at least one brushless DC motor to provide drive torque through an output that is rotatable about the longitudinal axis of the motor. A first windshield wiper assembly having a first lever arm is driven by the motor about the longitudinal axis in a repeated wiping motion across the surface of a windshield. A second windshield wiper assembly spaced apart from the first windshield wiper assembly has a second lever arm and is rotatable about a second longitudinal axis to operative move in a repeated wiping motion across the surface of the windshield. A connecting arm is also included that is operatively disposed between the first and the second lever arms that is adapted to translate the drive torque provided to the first windshield wiper assembly to the second windshield wiper assembly. The motor includes a planetary gear set having an output shaft.

Abstract: A method of sealing a generator stator bar and a stator bar end fitting receiving the end including the steps of: brazing the fitting to the end of the stator bar with a braze material; applying a metallic barrier coating material to the end of the stator bar in the fitting; heating the fitting at a temperature at least as hot as a liquidus temperature of the metallic coating material and cooler than a solidus temperature of the braze material; coating the end of the stator bar in the fitting with liquid metallic barrier coating material, and solidifying the liquefied metallic coating material to form a metallic barrier coating on the end of the stator bar in the fitting.

Abstract: A gear assembly with a first gear having a first coupling portion and a vibration absorbing adaptor inserted into the first coupling portion of the first gear. The first coupling portion and the adaptor are interlocking The adaptor also includes a second coupling portion. A second gear is inserted into the second coupling portion of the adaptor and is driven by the first gear. Additional gears may be driven by the second gear.

Abstract: A driving unit including a motor, a support bracket supporting the motor, at least one stud supporting a gear which is rotated with a driving force of the motor, and a heatproof member disposed between a frame fastening the support bracket and the stud, and an image forming apparatus applying the same.

Abstract: An electromechanical device has a rotor, a stator, and a module that at least partially houses the rotor. During normal operation of the electromechanical device, the stator is positioned external to and separate from the module.

Abstract: A method for enhancing an initial tension by changing a wound direction of a coil spring. A large and precise initial tension is provided to the coil spring. An actuator having an excellent function is prepared by using a shape memory alloy. Each shape of the coil spring at high and low temperatures can be controlled by a flexible shape memory effect.