Abstract: An electric actuator includes: a motor unit; a speed reducer; a circuit board; a busbar; and a housing. The housing has a motor case and a circuit board case attached to one side of the motor case in an axial direction. The circuit board case has a bottom wall blocking an opening of the motor case. The bottom wall has a bottom wall through-hole that penetrates through the bottom wall in the axial direction on an outer side beyond the speed reducer in the radial direction. A busbar has a busbar main body section, a coil line connecting section to which a coil line extending on one side in the axial direction from a coil is connected, and a connection terminal section. The connection terminal section extends to one side of the bottom wall in the axial direction via the bottom wall through-hole and is connected to the circuit board.

Abstract: Disclosed herein is a method for manufacturing a rotor, the method including an injection process of injecting a bonded magnet material into a cavity of a molding die generating a magnetic field in the cavity so that the bonded magnet material is poured into each of the magnet slots in the rotor core set in the cavity through one of openings of each magnet slot, wherein the molding die used in the injection process has gates which respectively open at positions corresponding to regions, each of which ensures a view from the one of openings to the other opening of the magnet slot along an axial center of the rotor core.

Abstract: A method of fabricating a curvilinear magnet includes forming at least one slot in a material billet. The slotted material billet is inserted into a mold having a curvilinear pocket. The mold is closed around the slotted material billet such that the slotted material billet conforms to the curvilinear pocket and forms a curvilinear billet. The curvilinear billet is arranged in a structure. The curvilinear billet arranged in the structure is then magnetized.

Abstract: A generator and clutch assembly is disclosed for use in a vehicle and includes a rotatable input, an electric generator in a generator housing, a clutch rotor by driven by the rotatable input, and an electric clutch and brake assembly which may be integrated with the generator housing. A field coil may be mounted to an external surface of the generator housing. The generator and clutch may be offset and connected by means of a transfer system having a transfer housing, wherein a field coil is mounted to an external surface of the transfer housing.

Abstract: An example system for disconnecting a driven member from a driving member is described. The system includes a vibration detection device configured to output vibration signals indicative of vibration levels of the driven member. The system also includes a controller including at least one processor. The controller is arranged to (i) determine that a vibration signal output by the vibration detection device satisfies a threshold condition and (ii) based at least on the determination that the vibration signal satisfies the threshold condition, trigger a mechanical disconnection of the driven member from the driving member by a mechanical disconnect device.

Abstract: To maximize a power consumption reduction effect in a case of using a high-efficiency induction motor, when a conventional induction motor is changed to a high-efficiency induction motor, a mechanical device including an induction motor and a speed reduction mechanism related to the present invention increases the reduction ratio of the speed reducer such that the rotation speed of the mechanical device is equal to that in a case of using a conventional induction motor and thus the output of the mechanical device is made equal to that in a case of using a conventional inductor motor; therefore, the load conditions of the mechanical device such as a pump and a fan can be made equal to those in a case of using a conventional induction motor. Accordingly, the power consumption reduction effect by improving the efficiency of the induction motor can be maximized.

Abstract: An electromagnetic actuator having a body and an electric motor driving at least one motion transmission element connected to the body via a brake device, a magnetic torque limiter, and a unidirectional transmission member, the brake device including an electrical activator member so that when the activator member is powered, the unidirectional transmission member is released relative to the body. When the activator member is not powered, the unidirectional transmission member is secured to the body and opposes pivoting of the transmission element in one direction of rotation up to a maximum transmissible torque defined by the magnetic torque limiter.

Abstract: A drive unit for a motor vehicle includes an electric machine which has a stator, a rotor and clutch for producing a rotary driving connection of the rotor to a drive element. The clutch has a release member which is axially displaceable by an actuating device arranged at least partially in a receiving space surrounded by the stator. The actuating device has an electric actuator drive motor and an actuator drive shaft directed transverse to the axis of rotation of the drive unit. The actuator drive shaft is operatively connected to a release arrangement which includes a rotatable input element which is fixed axially relative to the release member and an output element which is axially displaceable relative to the input element and which is operatively connected to the release member.

Abstract: A clutch member for use in a generator clutch has actuation structure including a face with a ramp. The ramp has a ramp angle of between 6.2° and 6.4°. The clutch member may be a sliding decoupler shaft. In addition, a rotor and a generator including the clutch members are also disclosed and claimed.

Abstract: A permanent magnet rotor for use on an electrical generator comprises a hub having an outer peripheral surface and an inner peripheral bore centered on an axis. The inner peripheral bore is provided with a screw thread at least over a portion of an axial dimension. Permanent magnets are mounted on the outer peripheral surface of the hub. A containment band is positioned radially outwardly of the magnets, holding the magnets and the hub together. The hub, a generator rotor incorporating the permanent magnet rotor, and a generator incorporating the permanent magnet rotor are also disclosed and claimed in this application.

Abstract: An accessory system includes an accessory gearbox which includes a geartrain and a 2-Pole generator integrally mounted with the accessory gearbox such that a drive gear of the generator is in meshing engagement with the geartrain, containing a shear section, disconnect mechanism, and torsional compliance.

Abstract: A starter which may employed in starting an engine is provided. The starter includes an electromagnetic actuator and a pinion carrier. The pinion carrier includes a pinion and a holder. The holder retains a shift lever and transmits movement of the shift lever, as achieved by a magnetic attraction produced by the electromagnetic actuator, to the pinion, thereby shifting the pinion into engagement with a ring gear joined to, for example, an engine. The holder is made of material smaller in specific gravity than the pinion. Specifically, the holder is lower in mass or weight than the pinion, thereby permitting the magnetic attraction required to shift the pinion carrier through the shift lever to be decreased. This permits the electromagnetic actuator to be decreased in size.

Abstract: An electric motor and a speed reduction device for reducing a rotational speed of the motor are contained in a housing composed of a front housing and a rear housing. The motor is positioned in the housing at its rear side, and the speed reduction device at its front side. The speed reduction device is composed of a sun gear rotatably supported on an eccentric portion formed on a rotor shaft, a ring gear having inner teeth engaging with outer teeth of the sun gear, and an output shaft loosely coupled to the sun gear for outputting the rotational torque at a reduced speed. The ring gear made of a magnetic material is positioned in contact with an axial end of a stator core of the motor to provide an additional magnetic flux path and thereby to increase an output torque of the motor.

Abstract: The invention concerns an adjustable hysteresis driver, with a rotor component (5) on the input side that can be driven and/or a stator component (7?, 7?), with an armature component (8) on the output side in fixed connection with a shaft (4), with a hysteresis component (9) connected to the armature component (8), the stator component (7?, 7?) comprising an electromagnet (7a) or permanent magnet (18) by means of which a magnetic flux can be induced in the rotor component (5) and/or the stator component (7?, 7?), and in which the torque that can be transmitted can be adjusted by electromagnetic or electro-mechanical means. The purpose of the invention is to propose a hysteresis driver with improved adjustability.

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 powertrain is provided that includes an engine as well as a transmission having an input member and an output member. The powertrain also includes a motor/generator that has an energizable stator, a first rotor and a second rotor (i.e., a dual rotor motor). Both of the rotors are rotatable via energization of the stator. A first torque-transmitting mechanism, referred to as the engine clutch, is selectively engagable to connect the engine for common rotation with one of the first and the second rotors. A second torque-transmitting mechanism, referred to as the motor clutch, is selectively engagable to connect the first rotor for common rotation with the second rotor. The transmission input member is continuously connected for common rotation with the other of the first and second rotors.

Abstract: A driving apparatus includes a transmission mechanism portion; a motor housed in a motor housing located at an engine side of the transmission mechanism portion; and a clutch interposed between an engine output shaft and an input shaft of the transmission mechanism portion, wherein: a secondary side of the clutch, which is connected to the input shaft, is configured by a cover; a rotor of the motor is integrally connected to the cover, which is the secondary side of the clutch; a stator of the motor is fixed to the motor housing; a front hub positioned at the engine side of the cover is rotatably supported at a front wall member of the motor housing; and a rear hub positioned at the transmission mechanism portion side of the cover is rotatably supported at a rear wall member of the motor housing.

Abstract: A polyphasic multi-coil generator includes a drive shaft, at least first and second rotors rigidly mounted on the drive shaft so as to simultaneously synchronously rotate with rotation of the drive shaft, and at least one stator sandwiched between the first and second rotors. A stator array on the stator has an array of electrically conductive coils mounted to the stator in a first angular orientation about the drive shaft. The rotors each have an array of magnets which are circumferentially equally spaced around the rotor and located at the same radially spacing with respect to the centre of the rotor and the drive shaft at a first angular orientation relative to the drive shaft. The arrays of magnets on adjacent rotors are off-set by an angular offset relative to one another.

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: A flexible and rigid bi-status coupler and its application device related to a mechanical kinetic energy coupler provided with an input side and an output side, wherein, the kinetic transmission feature is related to a flexible acceleration with revolution difference when the rotary kinetic energy is transmitted from the input side to the output side, and the kinetic transmission feature is related to a rigid transmission without revolution difference when the rotary kinetic energy is transmitted back from the output side to the input side.

Abstract: Disengageable pulley device comprising a pulley mounted on a shaft by means of a rolling bearing and of a freewheel, the pulley comprising a rim mounted on the periphery of a one-piece outer race of substantially tubular shape comprising, on an inner surface, at least one raceway for rolling elements and at least one contact seat of cylindrical revolution for lock-up elements of the freewheel, a one-piece inner race forming a torque transmission shaft and including, on an outer surface coming opposite the outer race, at least one raceway for the rolling elements and at least one contact seat of cylindrical revolution for the lock-up elements of the freewheel.

Abstract: A gas turbine engine system includes an electric starter motor which utilizes a partially hollow or cupped shaped rotor. Space is provided inside the rotor to fit the required clutch, bearings, and drive shaft. A rotor shaft drives the input shaft through the clutch. The clutch is mounted within a clutch cavity formed within an annular housing portion of the housing. The annular housing portion is at least partially conical and preferably extends at least partially within a hollow rotor mounted to the rotor shaft. A short package is provided due to the telescoped architecture while retaining the maximum length for electromagnetics.

Abstract: The invention provides means of limiting maximum current conducted through windings of an electric machine having a rotor and a stator. By encouraging an appropriate leakage flux around a winding, a leak impedance can be achieved which may be used, according to the invention, to limit the maximum current in the winding as a matter of machine design.

Abstract: A motor gear box has a direct current motor, a first bevel gear, a second bevel gear, a pinion transfer gear, at least one cluster gear, an output gear, an output shaft, and a collar abutting against the output gear and surrounding the output shaft. The motor gear box also includes a frame formed integrally with the collar, a first cover to protect the motor, and a second cover having a cradle formed integrally therein. The output shaft has at one end a stepped down shaft portion held in the cradle and at an opposite end a hollow internal chamber formed to receive a protuberance of a device requiring the delivery of high torque to carry out a task in a small space. A programmable control board is attached to one side of the motor; an electrode tip is arranged on a top of the motor; a lead harness assembly is secured around the electrode tip; and an L-shaped connection rod links the lead harness assembly to the control board to conserve space.

Abstract: Arrangement for providing an integrated starter generator apparatus for producing electrical power and/or rotational torque. The apparatus includes a primary rotor (18) arranged for cooperation with a primary stator (16), and a secondary rotor (20) arranged for cooperation with a secondary stator (17). A one-way clutch (19) is disposed between the primary rotor (18) and the secondary rotor (20) that permits both rotors to be locked together in one direction of rotation, and that allows them to operate independently in the opposite direction of rotation.

Abstract: The invention concerns a method and device for using a homopolar machine to convert a first DC voltage to a second DC voltage. According to the method, the invention can include the steps of applying a first DC voltage between an inner and outer radial portion of a primary conductive disc comprising a rotor to produce an electric current, applying a magnetic field aligned with an axis of the rotor to induce a rotation of the rotor about the axis responsive to the electric current, and coupling the rotation of the rotor to at least one secondary conductive disc disposed in the magnetic field to produce at least a second DC voltage between an inner and outer radial portion of the secondary conductive disc or discs.

Abstract: A dual function motor/generator includes a rechargeable battery, a mode switching device, a dual function rotor/stator structure, at least two transmission devices and a clutch device for selecting one of the two transmission devices depending on whether a motor or generator mode is selected. When the dual function motor/generator is used as a motor, power is supplied from the rechargeable battery controlled by the mode switching device to a driven load through the rotor/stator structure and one of the transmission devices, and when used as a generator, the battery is recharged by applying an external force to the load such that the load drives the other transmission device to rotate the rotor in a direction opposite a direction of rotation of the rotor in the motor mode, and thereby induce an electric current in the rotor/stator structure to recharge the battery.

Abstract: An alternator having a plurality of positive and negative diodes, is disclosed. The alternator further includes a plurality of stator windings each of the plurality of stator windings has a first end and a second end, and a first diode plate for fixing one of the plurality of positive and plurality of negative diodes in a first orientation. Further, the alternator includes a second diode plate for fixing the other of the plurality of negative and plurality of positive diodes in a second orientation. Each of the anodes of the positive diodes are connected to each of the cathodes of the negative diodes and to at least one end of each of the plurality of stator windings to form a rectifier bridge circuit.

Abstract: The invention concerns a method and device for using a homopolar machine to convert a first DC voltage to a second DC voltage. According to the method, the invention can include the steps of applying a first DC voltage between an inner and outer radial portion of a primary conductive disc comprising a rotor to produce an electric current, applying a magnetic field aligned with an axis of the rotor to induce a rotation of the rotor about the axis responsive to the electric current, and coupling the rotation of the rotor to at least one secondary conductive disc disposed in the magnetic field to produce at least a second DC voltage between an inner and outer radial portion of the secondary conductive disc or discs.

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 system and method are used to assemble and fill an embedded magnet type rotor. The system and method prevent rotation of the rotor core within a manufacturing device as the rotor core is being filled and the embedded magnets are magnetically orientated. The embedded magnet type rotor is made by a process in which resinous magnet is filled in slits provided in a rotor core. In one embodiment, a recessed portion of the core in a shaft hole is engageable with a projecting portion of a core pin of a metallic mold for use in filling the resinous magnet to prevent rotation of the core. Other positioning devices are also used to prevent rotation.

Abstract: A notched type one-way clutch (11) has a strut (8) which is accommodated, together with a spring (9), within a pocket portion (7) formed in a resinous stator body (1) and also has a notched plate (6), the notched plate (6) being combined with the stator body (1) in a relatively rotatable manner and provided with an engaging recess (10) with which the strut (8) comes into engagement in one rotational direction. A swing angle limiting portion (12) for limiting a swing motion of the strut (8) up to a predetermined angle is formed in the pocket portion (7). Further, a movement limiting portion (14) for limiting the movement of the strut (8) toward an anti-engaging face (7b) side within the pocket portion (7) is formed on an engaging face (7a) side of the swing angle limiting portion (12) integrally by molding.

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: A combined power driven device is made up of three layers, each of the three layers forming an electromechanical structure such as a stator or an armature. One of the three layers serves as a common magnetic structure for interaction with the electromechanical structures formed by the other two layers and the three layers may be mechanically coupled with each other, a load, and/or an active power source to provide either generator or motor functions, or a combination of generator and motor functions.

Abstract: An alternator pulley includes a driving member driven and rotated via a belt from an output shaft of an engine. A driving member is disposed on an inner surface of the driving member and a one-way clutch is interposed between the driving and driven member. The one-way clutch includes rollers capable of rolling in a locked side direction along which a rotating power of the driving member is transmitted to the driven member or a free side direction along which the rotating powder is interrupted. Depending on a relative speed difference between the driving member and the driven member, the rollers are biased for pressing in the locked side direction and a torque value of the pressing is set preferably to less than 4 Nm.

Abstract: An electric machine which can be operated optionally as a motor or generator and in particular can be installed in the drive train of a motor vehicle with a hybrid drive. The machine includes a stator and a rotor of substantially cylindrical shape, The rotor is positioned about the stator to form a circumferential air gap between the stator and the rotor. An integrated switchable clutch is provided for the transmission of torque. The rotor is arranged on the outside (external-rotor machine) of the stator and the clutch is arranged within the stator.

Abstract: A synchronous motor/generator is modified by mounting the conventional rotor on a sleeve that rotates freely on the main shaft rather than being fixedly mounted on the shaft. Limits to this rotation are incorporated in the design such that the maximum angular rotation of the rotor on the shaft equals half the stator advance that occurs during a complete full cycle of the AC stator winding voltage. In addition to smoothing transients, this configuration permits the machine to smoothly drop into the correct stator/rotor flux phase when it changes from a motor to a generator, and back into the correct phase for a motor, when the AC power is interrupted, and subsequently resumes, resulting in dropping a single cycle.

Abstract: A single phase induction motor for driving a high pressure cleaning device. The induction motor has a stator (1) with a drive shaft (2) and a rotor (4) which is located on the shaft (2). High pressure pump (3) of the high pressure cleaning device is driven by the shaft (2). A muscle-powered starting aid (5, 18) is used to activate an on-off switch (11) of the single phase induction motor. Alternatively, the on-off switch (11) can be activated independently of the starting aid (5, 18) or via an electrical starting aid (B). In accordance with preferred embodiments, the muscle-powered starting aid can be a rope pull starter (5) or a kickstarter (18) and may act directly on the shaft (2) or via a transmission.

Abstract: Irregularities on the face of the pulley groove of the pulley for driving the rotor shaft of the generator through the one-way clutch are positively extended and a frictional force between the face and the belt is increased, so that a higher torque than the drag torque can be transmitted to the one-way clutch without causing a slippage of the belt. Since no slippage occurs on the belt, the belt life can be extended. Since the one way clutch is positively operated, the inertial energy of the rotor can be effectively recovered.

Abstract: An improved startup device for the rotor of a permanent-magnet synchronous motor, particularly adapted for liquid conveyance pumps, such as those used in electrical household appliances or the like, which are equipped with a permanent-magnet synchronous motor of the type comprising a stator unit with a pack of metal laminations and electrical windings supported by a body that forms a substantially cylindrical chamber that accommodates, upon assembly, the rotor unit, which is axially crossed by a motor shaft.

Abstract: A driving assembly for motor wheels including a plurality of permanent magnets arranged around the outer periphery of a securing element on an axle for forming a stator. When electric currents are passed through a plurality of winding coils in an inner wheel frame, an induction electromagetic field is generated to drive the inner wheel frame in the outer wheel frame to rotate. The inner wheel frame has a clutch ring for transmitting the power of the inner wheel frame to a driving gear of a reduction mechanism to drive the outer wheel frame. A clutch element is disposed between the clutch ring and the driving gear, the clutch element being capable of axial movement along the axis of said axle for controlling power transmission.

Abstract: A friction disc clutch is proposed, particularly for a fan wheel of a motor vehicle internal combustion engine or the like, in which a direct rotational speed transmission of the engine rotational speed takes place by means of a first friction disc clutch which can be actuated pneumatically or hydraulically, a reduced entrainment rotational speed of the fan wheel being transmitted via an eddy-current clutch when the friction disc clutch is disengaged.

Abstract: An electromagnetic clutch, including a contact plate assembly, a rotor adapted for connection to a driven device, and first mounting assembly for mounting the contact plate assembly to a rotatable member associated with a driving device. The first mounting assembly includes compression springs for biasing the contact plate assembly away from the rotor. An electromagnetic assembly overcomes the bias of the compression springs when energized, causing the contact plate assembly to engage the rotor. The first mounting assembly includes resiliently mounted members which allow the contact plate assembly to oscillate circumferentially relative to the rotatable member, in response to torsional oscillations in the driving device. A second mounting assembly mounts each of the compression springs between the rotatable member and the contact plate assembly, isolating the compression springs from damage due to relative circumferential movement between the rotatable member and contact plate assembly.

Abstract: An actuator which comprises a reversible motor, a solenoid, movable clutch disc to be attracted by the solenoid, a driving clutch disc supported rotatably between the movable clutch disc and the solenoid and driven by the motor. The movable clutch disc and the driving clutch disc are provided with teeth to be engaged with each other and having inclined engaging flanks so as to be disengaged from each other due to slippage caused between the inclined engaging flanks of the teeth. According to this invention, it is possible to interrupt a force larger than a predetermined value and transmit reliably a smaller force to prevent damage to the throttle members.

Abstract: An electromagnetic clutch includes a clutch rotor and an annular electromagnet. The clutch rotor has a rotor which sectional side view is a U-shaped configuration and a pulley mounted at an outer peripheral surface of the rotor. The annular electromagnet is disposed in an annular cavity of the rotor. An armature plate facing to a front end surface of the rotor is supported elastically by a stopper plate through a plurality of leaf springs. The stopper plate is fixed to an outer end of a drive shaft. First engaging elements are formed at an outer peripheral surface of the rotor. Second engaging elements are formed at an inner peripheral surface of the pulley. The first and second engaging elements are complementary and prevent the relative rotational motion of the pulley and the rotor when engaged. A stopper provided on the outer peripheral surface of the rotor prevents the relative axial movement of the pulley and the rotor.

Abstract: An electromagnetic clutch is disclosed comprising a rotor and an armature plate with improved frictional surfaces. The armature plate is disposed to face the rotor with a predetermined axial gap. The rotor or the armature plate is provided with a contact surface which contains spiral concaves and projections with a predetermined pitch. This surface has a layer of metal plating with a hardness lower than that of the magnetic materials which make up the rotor and armature plate.

Abstract: A reel mechanism for use in a playing device comprises a DC motor having a rotor formed with an outer apron on which are displayed a plurality of substantially equally spaced symbols which are to be sequentially displayed in a visual field. The rotor rotates about the stator with the rotor having permanent magnetic poles which interact with the stator. The apron has a plurality of perforations or recesses associated with the individual symbols which are scanned by a plurality of photo-transistor scanning devices so as to generate for each symbol upon its passing of a particular position unique information scanning signals which identify each of the symbols.

Abstract: An alternator pulley includes a driving member driven and rotated via a belt from an output shaft of an engine. A driving member is disposed on an inner surface of the driving member and a one-way clutch is interposed between the driving and driven member. The one-way clutch includes rollers capable of rolling in a locked side direction along which a rotating power of the driving member is transmitted to the driven member or a free side direction along which the rotating powder is interrupted. Depending on a relative speed difference between the driving member and the driven member, the rollers are biased for pressing in the locked side direction and a torque value of the pressing is set preferably to less than 4 Nm.