Abstract: According to one embodiment, a stator includes a stator core and coils having a rectangular cross-section. In one or more slots, a first rectangular conductor, which is positioned innermost in a radial direction and in which a pair of short sides in a cross section face in the radial direction, and a second rectangular conductor, which is positioned outer side of the radial direction than is the first rectangular conductor and in which a pair of long sides in the cross-section face in the radial direction, are disposed. The first rectangular conductor includes a bending part bent toward a circumferential direction. The second rectangular conductor includes a bending part bent toward the circumferential direction and a twisted part twisted about the circumferential direction.

Abstract: According to one embodiment, in a stator, bridge parts of seventh coil segments extend in a direction departing from one end surface while being inclined at a predetermined inclination angle from an axial direction of a stator core to the outside of a radial direction. Regarding the bridge parts of the seventh coil segments adjacent to each other in the radial direction of the stator core, when the same cross-sections defined by the radial direction and the axial direction is viewed from a circumferential direction of the stator core, a first inclination angle of the bridge part positioned relatively in an inner side of the radial direction is smaller than a second inclination angle of the bridge part positioned relatively in an outer side of the radial direction.

Abstract: According to one embodiment, a rotor includes, for each magnetic pole of a rotor iron core, first and second outer circumferential side bridge portions, and first and second inner circumferential side bridge portions. The first and second outer circumferential side bridge portions are provided such that a mutual interval is decreased from an outer circumferential side of the rotor iron core to an inner circumferential side. The first and second inner circumferential side bridge portions are provided such that a mutual interval is decreased from the outer circumferential side of the rotor iron core to the inner circumferential side, and are connected to the first and second outer circumferential side bridge portions, respectively.

Abstract: According to one embodiment, a first region surrounded by a bridge inner circumferential edge, a bridge center line, a circumscribed circle of a rotor core, and an inner wall of a first magnet hole and a second region surrounded by the bridge inner circumferential edge, the bridge center line, the circumscribed circle of the rotor core, and an inner wall of a second magnet hole are asymmetrical with respect to a d-axis, and the rotor core has a structure satisfying the following equation.

Abstract: According to one embodiment, a rotor includes a rotor iron core, a plurality of first magnet accommodation, a plurality of first permanent magnets, a pair of first inner circumferential side magnetic voids, a pair of first outer circumferential side magnetic voids, a pair of first bridge portions, a pair of second magnet accommodation areas, a plurality of second permanent magnets, a pair of second outer circumferential side magnetic voids, a pair of second inner circumferential side magnetic voids, a third magnetic void, and a pair of second bridge portions.

Abstract: According to one embodiment, a rotor includes a rotor core including magnetic poles arranged in a circumferential direction around a central axis, each magnetic pole including magnet holder slots each of which includes an opening end opened to an outer circumference of the rotor core, a first core portion between adjacent magnet holder slots, a second core portion between the magnet holder slots and the central axis, and a bridge connecting the first core portion and the second core portion, permanent magnets within the respective magnet holder slots, and a non-magnetic filling material filled into a cavity between the permanent magnet and the opening end in the magnet holder slot and joined to the permanent magnet and an inner wall of the magnet holder slot.

Abstract: According to one embodiment, a rotor of a rotary electric machine is provided with a rotor iron core and a plurality of permanent magnets. The rotor iron core includes a plurality of magnetic poles, a plurality of magnet holding slots, an outer peripheral side iron core portion, an inner peripheral side iron core portion, a plurality of bridges passed between the outer peripheral side iron core portion and the inner peripheral side iron core portion, and a plurality of magnet holding protrusions extending from the middle of each of the bridges to each of the magnet holding slots for each of the magnetic poles. Each of the permanent magnets is accommodated in each of the magnet holding slots and is in contact with each of the magnet holding protrusions.

Abstract: A bridge part of a first coil segment includes a first bridge section extending in a circumferential direction and including a first bending part reducing an inclination angle, and a second bridge section extending in the circumferential direction toward the first linear part and including a second bending part reducing an inclination angle. A bridge part of a second coil segment includes a third bridge section extending in the circumferential direction toward a second linear part and including a third bending part reducing an inclination angle, and a fourth bridge section extending in the circumferential direction toward the first linear part and including a fourth bending part reducing an inclination angle.

Abstract: According to one embodiment, a rotor includes a rotor core including magnetic poles arranged in a circumferential direction around a central axis, each magnetic pole including at least two magnet holding slots opposed to each other at intervals in the circumferential direction, a first core portion between the two magnet holding slots, a second core portion between the two magnet holding slots and the central axis, and a bridge connecting the first core portion and the second core portion, and permanent magnets each arranged in the magnet holding slot. The bridge includes first center bridges located between the two magnet holding slots and separated from each other in the circumferential direction, and a coupling element that connects the first center bridges to each other.

Abstract: According to one embodiment, a stator includes a stator core and coils having a rectangular cross-section. In one or more slots, a first rectangular conductor, which is positioned innermost in a radial direction and in which a pair of short sides in a cross section face in the radial direction, and a second rectangular conductor, which is positioned outer side of the radial direction than is the first rectangular conductor and in which a pair of long sides in the cross-section face in the radial direction, are disposed. The first rectangular conductor includes a bending part bent toward a circumferential direction. The second rectangular conductor includes a bending part bent toward the circumferential direction and a twisted part twisted about the circumferential direction.

Abstract: According to one embodiment, in a stator, bridge parts of seventh coil segments extend in a direction departing from one end surface while being inclined at a predetermined inclination angle from an axial direction of a stator core to the outside of a radial direction. Regarding the bridge parts of the seventh coil segments adjacent to each other in the radial direction of the stator core, when the same cross-sections defined by the radial direction and the axial direction is viewed from a circumferential direction of the stator core, a first inclination angle of the bridge part positioned relatively in an inner side of the radial direction is smaller than a second inclination angle of the bridge part positioned relatively in an outer side of the radial direction.