Abstract: A rotary electric machine includes a stator, a rotor, and a field coil; the rotor includes a first magnetic pole having a first annular portion and a plurality of claw portions and a second magnetic pole having a second annular portion and a plurality of projection portions; in the rotor, the claw portions and the projection portions are circumferentially alternately positioned, and the first magnetic pole and the second magnetic pole are maintained in a non-contact state by providing a radial gap, a circumferential gap, and an axial gap between the first magnetic pole and the second magnetic pole; and the gap arrangement member has an axial positioning portion that is axially locked with respect to at least one of the first magnetic pole and the second magnetic pole, and axially positions the first magnetic pole and the second magnetic pole.

Abstract: A rotating electric machine includes a non-rotating member, a stator fixed to the non-rotating member, a field coil fixed to the non-rotating member, disposed on an inner diameter side of the stator, and having an iron core and a winding wound around the iron core, and a rotor rotatably disposed between the stator and the iron core. A flow path through which a heat exchange medium is supplied and discharged is formed in the iron core along an axial direction thereof.

Abstract: A rotating electric machine includes a non-rotating member, a stator fixed to the non-rotating member, a field coil fixed to the non-rotating member, disposed on an inner diameter side of the stator, and having an iron core and a winding wound around the iron core, and a rotor rotatably disposed between the stator and the field coil. The rotor includes a first rotor portion and a second rotor portion. The rotating electric machine further comprises a positioning member disposed in each of the first gap, the second gap, and the third gap to position each of the first rotor portion and the second rotor portion in the circumferential direction and the extending direction.

Abstract: A rotating electric machine includes a non-rotating member, a stator fixed to the non-rotating member, a field coil fixed to the non-rotating member, disposed on an inner diameter side of the stator, and having an iron core and a winding wound around the iron core, and a rotor rotatably disposed between the stator and the field coil. The rotor has, at a portion facing the stator, different radial dimensions with respect to a rotary shaft of the rotor between a one end of the rotor in an extending direction of the rotary shaft and a portion different from the one end in the extending direction.

Abstract: A brushless winding field type rotary electric machine equipped with a stator, a field core having a field coil, and a rotor. The field coil is in parallel with the rotor in the rotary member rotation shaft axial direction. The rotor has first and second magnetic poles respectively having first and second annular sections and first and second pawl sections, and an annular-shaped rotor core having first and second fitting sections into which the first and second pawl sections are respectively fitted, the first and second fitting sections being provided alternately along the circumferential direction, and the rotor core having through hollow sections each disposed between the first and second fitting sections. The first magnetic pole and the second magnetic pole are fixed to the rotor core without making contact with each other and the rotor core is constituted by stacking electromagnetic steel sheets in the axial direction.

Abstract: A hybrid driving apparatus includes a forward-reverse switching mechanism, a transmission, an input path disposed on an output side of the forward-reverse switching mechanism, and a motor connected to the input path.

Abstract: A power transmission apparatus for vehicle, incorporated in a vehicle equipped with a transmission, includes a forward-reverse switching mechanism with start function produced by adding a function of a vehicle start clutch to the forward-reverse switching mechanism. Additionally, a power transmission system for vehicle includes an internal combustion engine that is a power source for vehicle driving, the transmission, a torsional vibration damper that transmits torque of the internal combustion engine to the transmission, and the forward-reverse switching mechanism with start function of the power transmission apparatus for vehicle. The forward-reverse switching mechanism with start function is disposed between the transmission, and the internal combustion engine and the torsional vibration damper.

Abstract: A power transmission device configured to transmit a power inputted thereto from a motor to a wheel is disclosed. The power transmission device includes a first support member, a first gear, a second support member attached to the first support member, a second gear, and an adjustment mechanism. The first gear is supported by the first support member, and configured to rotate about a first axis. The second gear is supported by the second support member, meshed with the first gear, and configured to rotate about a second axis. The second axis is approachable to and separable from the first axis. The adjustment mechanism is configured to adjust a distance between the first axis and the second axis.

Abstract: A rotary electrical machine includes a stator, a field core, a rotor, and first and second air gaps. The stator includes an AC coil that generates a rotating magnetic field with an alternating current. The field core includes a field coil excited by a direct current. The rotor is disposed on an outer circumference of a starting apparatus and held rotatably about a rotational axis relative to the stator and the field coil. The first air gap is formed between the stator and the rotor, and allows a magnetic flux to flow therebetween. The second air gap is formed between the field core and the rotor, and allows a magnetic flux to flow therebetween. The second air gap defines an interval extending along a direction that intersects an axial direction of the rotational axis on one end surface of the rotor in the axial direction of the rotational axis.

Abstract: A rotational electric machine includes a stator configured to generate a rotation magnetic field in response to alternating current; a rotor configured to rotate in response to the rotation magnetic field; a field coil configured to excite the rotor in response to direct current; an acquisition unit configured to acquire manipulation information related to a torque generated by or caused to be generated by the rotor and a rotational state of the rotor; and a motor characteristic control unit configured to control the direct current based on the manipulation information and the rotational state acquired by the acquisition unit to control a motor characteristic.

Abstract: An internal combustion engine start assist mechanism includes an elastic member attached to between a first support portion of a starting apparatus side member and a second support portion of an internal combustion engine side member along an internal combustion engine rotation direction, a stopper portion of the internal combustion engine side member, and a contact portion of the starting apparatus side member disposed behind the stopper portion. The contact portion forms a gap relative to the stopper portion when the starting apparatus side member rotates in a direction opposite to the internal combustion engine rotation direction. When the starting apparatus side member rotates in the internal combustion engine rotation direction after the opposite rotation, a combination of the rotation of the starting apparatus side member with rotation caused by the elastic member causes the starting apparatus side member to rotate integrally with the internal combustion engine side member.

Abstract: A brushless winding field type rotary electric machine between a starting device and a stationary case, having a stator held in the case and internally equipped with an AC coil generating a rotating magnetic field by an AC current; a field core held in the case and internally equipped with a field coil excited by a DC current; a rotor disposed around the starting device outer periphery and rotatable with respect to the stator and the field coil; a first air gap formed between the stator and the rotor, delivering a magnetic flux between the two; a second air gap formed between the field core and the rotor, delivering a magnetic flux between the two. The second air gap has an inclined section inclined with respect to a rotation shaft axial direction so that the rotor radially outer portion is positioned on the radially outer side than the field core.

Abstract: A brushless winding field type rotary electric machine equipped with a stator, a field core having a field coil, and a rotor. The field coil is in parallel with the rotor in the rotary member rotation shaft axial direction. The rotor has first and second magnetic poles respectively having first and second annular sections and first and second pawl sections, and an annular-shaped rotor core having first and second fitting sections into which the first and second pawl sections are respectively fitted, the first and second fitting sections being provided alternately along the circumferential direction, and the rotor core having through hollow sections each disposed between the first and second fitting sections. The first magnetic pole and the second magnetic pole are fixed to the rotor core without making contact with each other and the rotor core is constituted by stacking electromagnetic steel sheets in the axial direction.

Abstract: A power transmitting apparatus with rotary electrical machine disposed in a power transmission path from an output shaft of an internal combustion engine to a transmission in a vehicle is disclosed. The power transmitting apparatus includes a rotary electrical machine disposed coaxially with the output shaft, and a transmission apparatus disposed adjacent to the power transmitting apparatus and the rotary electrical machine.

Abstract: A rotating electrical machine of a brushless wound field type disposed between a stationary case and rotating member that rotates inside the case includes a stator held by the case, including an AC coil that generates a rotating magnetic field with an alternating current, a field core held by the case, the field core including a field coil that generates a magnetic flux with a direct current, a rotor fixed in contact with an outer circumferential surface of the rotating member and held rotatably relative to the stator and field coil, a rotor side core portion that is a part of the rotating member. The magnetic flux of the field coil passes from the field core through the rotor via the second air gap, the stator and rotor via the first air gap, the rotor side core portion, and the field core via the third air gap.

Abstract: A rotary electric machine includes a stator, a rotor, and a field coil; the rotor includes a first magnetic pole having a first annular portion and a plurality of claw portions and a second magnetic pole having a second annular portion and a plurality of projection portions; in the rotor, the claw portions and the projection portions are circumferentially alternately positioned, and the first magnetic pole and the second magnetic pole are maintained in a non-contact state by providing a radial gap, a circumferential gap, and an axial gap between the first magnetic pole and the second magnetic pole; and the gap arrangement member has an axial positioning portion that is axially locked with respect to at least one of the first magnetic pole and the second magnetic pole, and axially positions the first magnetic pole and the second magnetic pole.

Abstract: A brushless winding field rotational electric machine positioned between a starting device and a case enclosing the starting device includes: a stator, which is held to the case, including an alternating-current coil configured to generate a rotation magnetic field by alternating current; a field core, which is held to the case, including a field coil to be excited by direct current; and a rotor disposed on an outer periphery of the starting device and rotatably held about a rotational axis relative to the stator and the field coil. The rotor includes a connection portion to be connected to a synchronized rotation member configured to rotate in synchronization with an engine along the rotational axis, on a facing surface to the synchronized rotation member.

Abstract: A brushless winding field rotational electric machine includes: a stator, held to a case, including an alternating-current coil configured to generate a rotation magnetic field by alternating current; a field core, held to the case, including a field coil to be excited by direct current; and a rotor on an outer periphery of a rotation member and rotatably held about a rotational axis relative to the stator and field coil. The field coil includes a plurality of coil winding layers stacked in a radial direction of the rotational axis. A cross-sectional area along an axial direction of the rotational axis, of a coil winding layer closest to the rotational axis in the radial direction of the rotational axis is smaller than a cross-sectional area along the axial direction of the rotational axis, of a coil winding layer farthest from the rotational axis in the radial direction of the rotational axis.

Abstract: A moving device is disclosed. The moving device includes a vehicle body, a prime mover, mounted on the vehicle body, a driving rotary body and a driven rotary body. The driving rotary body is configured to be driven by the prime mover. The driven rotary body is rotatably mounted on the vehicle body. The driven rotary body has a larger diameter than that of the driving rotary body. The driven rotary body is configured to rotate by contact with the driving rotary body in a rotational direction or by magnetic coupling force of the driving rotary body.

Abstract: A power transmission device is disclosed. The power transmission device includes an input rotary member, an intermediate rotary member, an output rotary member, a friction engaging part and a load adjusting mechanism. A torque is inputted to the input rotary member. The torque is inputted from the input rotary member to the intermediate rotary member. The torque is outputted from the output rotary member. The friction engaging part is engaged by friction with a friction force depending on a load applied thereto. The friction engaging part is configured to transmit the torque between the intermediate rotary member and the output rotary member. The load adjusting mechanism is configured to adjust the load applied to the friction engaging part in accordance with the torque inputted to the input rotary member.