Abstract: A rotor for a rotating electric machine is disclosed which includes a rotor yoke including annular magnetic steel sheets stacked in an axial direction having magnet slots into which magnets inserted, Each magnetic steel sheet includes first through-holes to form the first internal cavities; second through-holes, each having a shape fit for each second internal cavity and configured to form part of one of the second internal cavities; and third through-holes, each having a shape for communication between one of the first internal cavities and one of the second internal cavities and to form, with one of the second through-holes, part of the one of the second internal cavities.

Abstract: A rotor manufacturing method, which is method for manufacturing a rotor that includes a rotor core and a magnet inserted into a slot formed in the rotor core, includes a magnet-insertion step of inserting the magnet into the slot; and a fixing-material-injection step of injecting a fixing material into a space between an inner surface of the slot and the magnet from a plurality of fixing-material-injection portions of the slot. In the fixing-material-injection step, a time for starting injection of the fixing material into the slot is made to differ among the plurality of fixing-material-injection portions.

Abstract: A method for manufacturing a laminate used for manufacturing a rotor is provided. The method includes: (a) stamping out a plurality of workpieces from a metal sheet wherein each of the workpieces has a temporarily-interlocking portion; and (b) obtaining a laminate including the workpieces integrated together by the temporarily-interlocking portion, wherein each of the workpieces further has a shaft hole, a magnet insertion hole, and a weight-reducing hole formed between the shaft hole and the magnet insertion hole, and the temporarily-interlocking portion is provided to the weight-reducing hole.

Abstract: A rotor of a rotary electric machine includes a rotor core. The rotor core has magnet insertion holes which are arranged at first circumferential intervals and in which permanent magnets are disposed. The rotor core includes steel plates, a first core block, and a second core block. The steel plates are stacked in an axial direction of the rotor. The first core block includes first steel plates among the steel plates stacked with rotational stacking at a rotational stacking angle corresponding to a common multiple of a first circumferential interval among the first circumferential intervals and a second circumferential interval among second circumferential intervals. The second core block includes second steel plates among the steel plates stacked with the rotational stacking at the rotational stacking angle from a position shifted by an angle corresponding to the first circumferential interval relative to the first core block.

Abstract: A brushless resolver includes a rotor having a one-phase excitation coil and a stator having two-phase detection coils. The rotor is mounted to a shaft of a motor to detect a rotation angle of the motor. An induction coil is located around the shaft. The induction coil is connected to the excitation coil. Electromotive force induced in the induction coil by a change of magnetic flux of the motor, which passes through the shaft, is used as an excitation signal supplied to the excitation coil.

Abstract: An electrical collecting and distributing member holding structure is composed of a stator including a multiplicity of cores arranged annularly, windings wound around the multiplicity of cores respectively, and an insulator for electrical insulation between the cores and the windings, a plurality of annular electrical collecting and distributing members held around the stator to collect and distribute electric current to the windings, and a holding portion formed on the insulator. The holding portion includes a plurality of recesses formed therein. The plurality of electrical collecting and distributing members are being held in the holding portion in such a manner as to be partially received in the plurality of recesses, respectively.

Abstract: This disclosure relates to a method for manufacturing a laminate used for manufacturing a laminated core including a circumferential yoke part and a plurality of magnetic pole parts radially extending from the yoke part. This method includes: feeding a metal sheet drawn from a roll thereof to a progressive die; stamping out a plurality of workpieces from the metal sheet in the progressive die, wherein each of the workpiece comprises a temporarily-interlocking portion between adjacent magnetic pole portions; and stacking the workpieces to integrate these workpieces together by the temporarily-interlocking portion to obtain the laminate.

Abstract: A rotary electric machine includes a rotor, a stator and a case. The rotor includes a rotor core, a plurality of permanent magnets disposed in the rotor core, and an end face plate disposed such that an inside surface thereof is in contact with an end face of the rotor core. The stator includes a stator core and a coil disposed in the stator core, and is disposed on an outer peripheral side of the rotor to face the rotor. The case accommodates the rotor and the stator, and includes a storage portion for storing liquid therein. A lower part of the rotor is immersed in the storage portion, and a liquid guide portion is provided on an outside surface of the end face plate to extend in a radial direction.

Abstract: A rotary electric machine includes a rotor, a stator and a case. The rotor includes a rotor core, a plurality of permanent magnets disposed in the rotor core, and an end face plate disposed such that an inside surface thereof is in contact with an end face of the rotor core. The stator includes a stator core and a coil disposed in the stator core, and is disposed on an outer peripheral side of the rotor to face the rotor. The case accommodates the rotor and the stator, and includes a storage portion for storing liquid therein. A lower part of the rotor is immersed in the storage portion, and a liquid guide groove or a liquid guide hole is provided on an outside surface of the end face plate to extend in a radial direction.

Abstract: A rotary electric machine includes a rotor, stator and a motor case. The rotor includes a rotor core, plural magnets disposed in the rotor core, and an end face plate disposed such that an inside surface thereof is in contact with an end face of the rotor core. The stator includes a stator core and a coil. The stator is disposed on an outer peripheral side of the rotor to face the rotor. The motor case accommodates the rotor and the stator and has a storage portion for storing liquid therein. A lower part of the rotor is immersed in the storage portion, and the motor case has an inclined wall extending from an upper side toward the permanent magnet or a peripheral part of the permanent magnet and guiding liquid scraped upward by the rotor to the magnet or the peripheral part of the magnet.

Abstract: A rotor for a rotary electric machine includes a rotor core being rotatable around a rotational axis. The rotor core includes a plurality of steel plates stacked in a stacking direction. Each of the plurality of steel plates includes a plurality of magnet insertion piece holes, a plurality of through piece holes, a radially inner side annular ring, a radially outer side annular ring, and a plurality of ribs. The plurality of magnet insertion piece holes are provided at every first circumferential space. The plurality of magnet insertion piece holes constitute a plurality of magnet insertion holes in a state in which the plurality of steel plates are stacked in the stacking direction while the plurality of steel plates are rotated by the first circumferential space at every timing at which a predetermined number of the plurality of steel plates are stacked in the stacking direction.

Abstract: An electrical collecting and distributing member holding structure is composed of a stator including a multiplicity of cores arranged annularly, windings wound around the multiplicity of cores respectively, and an insulator for electrical insulation between the cores and the windings, a plurality of annular electrical collecting and distributing members held around the stator to collect and distribute electric current to the windings, and a holding portion formed on the insulator. The plurality of electrical collecting and distributing members are being held in the holding portion.

Abstract: A rotor having permanent magnets 10 includes: a laminated core body 13 having a shaft hole 12 in the center thereof and magnet insertion holes 15 around the shaft hole 12; permanent magnets 16 disposed in the respective magnet insertion holes 15; and first and second end face plates 18, 19 disposed on one axial end and the other axial end of the laminated core body 13, respectively, the first and second end face plates 18, 19 including first and second through holes 32, 33, respectively. The first and second through holes 32, 33 each overlap a contour of a magnet insertion hole 15 on a radially inner side or a radially outer side in a plan view, and have first and second tapered portions 34, 35 gradually expanding the diameter toward the magnet insertion hole 15, respectively.

Abstract: A vehicle including a mounted object, which is supported by a framework member of the vehicle with a supporting member and which is disposed offset to one side of the vehicle with respect to a center of the vehicle in a front-rear direction, wherein the mounted object includes an extending portion that extends from the mounted object while inclined to a vertical direction or that extends from the mounted object in a horizontal direction, and that is formed such that, when an external force of a predetermined value or larger is exerted on the mounted object from the one side to displace the mounted object to the other side by a predetermined amount or larger, the extending portion abuts on a surface of the right-left framework member, the surface facing upward in the vertical direction.

Abstract: The number of turns and the winding direction of a cosine-phase coil wound around an i-th tooth and the number of turns and the winding direction of a sine-phase coil wound around the i-th tooth are set according to Tc,i=TSmax cos(ms?i+?2)+T2c cos(me?i+?1) and Ts,i=TSmax sin(ms?i+?2)+T2s cos(me?i+?1), respectively, where TSmax: a first reference number of turns of each of the detecting coils of each phase, T2c: a second reference number of turns of each of the cosine-phase coils, T2s: a second reference number of turns of each of the sine-phase coils, me: a pole pair number in a magnetic flux distribution formed by the exciting coils, ms: a pole pair number in each magnetic flux distribution formed by the detecting coils of each phase, ?1: the phase of the exciting coils, ?2: each phase of the cosine-phase coils and the sine-phase coils, and ?i: a mechanical angle of the i-th tooth.

Abstract: A vehicle including a mounted object, which is supported by a framework member of the vehicle with a supporting member and which is disposed offset to one side of the vehicle with respect to a center of the vehicle in a front-rear direction, wherein the mounted object includes an extending portion that extends from the mounted object while inclined to a vertical direction or that extends from the mounted object in a horizontal direction, and that is formed such that, when an external force of a predetermined value or larger is exerted on the mounted object from the one side to displace the mounted object to the other side by a predetermined amount or larger, the extending portion abuts on a surface of the right-left framework member, the surface facing upward in the vertical direction.

Abstract: A rotary electric machine includes: a stator core that is formed of a plurality of split core pieces that are annularly arranged therein, coil conductors being wound around respective split core pieces. One ends of the respective coil conductors which are wound around the respective split core pieces are connected to power supply terminals for corresponding phases, and other ends of the respective coil conductors are connected to each other to form a neutral point, the respective coil conductors are formed of rectangular wires, and the neutral point-side end portions of the respective coil conductors are led to an outside of the stator core from one point on a circumference of the stator core.

Abstract: The disclosure relates to a method for manufacturing a laminate used for manufacturing a rotor, the method includes: (a) stamping out a plurality of workpieces from a metal sheet wherein each of the workpieces has a temporarily-interlocking portion; and (b) obtaining a laminate including the workpieces integrated together by the temporarily-interlocking portion, wherein each of the workpieces further has a shaft hole, a magnet insertion hole, and a weight-reducing hole formed between the shaft hole and the magnet insertion hole, and the temporarily-interlocking portion is provided to the weight-reducing hole.

Abstract: A rotor of a rotary electric machine includes a rotor core. The rotor core has magnet insertion holes which are arranged at first circumferential intervals and in which permanent magnets are disposed. The rotor core includes steel plates, a first core block, and a second core block. The steel plates are stacked in an axial direction of the rotor. The first core block includes first steel plates among the steel plates stacked with rotational stacking at a rotational stacking angle corresponding to a common multiple of a first circumferential interval among the first circumferential intervals and a second circumferential interval among second circumferential intervals. The second core block includes second steel plates among the steel plates stacked with the rotational stacking at the rotational stacking angle from a position shifted by an angle corresponding to the first circumferential interval relative to the first core block.

Abstract: This disclosure relates to a method for manufacturing a laminate used for manufacturing a laminated core including a circumferential yoke part and a plurality of magnetic pole parts radially extending from the yoke part. This method includes: feeding a metal sheet drawn from a roll thereof to a progressive die; stamping out a plurality of workpieces from the metal sheet in the progressive die, wherein each of the workpiece comprises a temporarily-interlocking portion between adjacent magnetic pole portions; and stacking the workpieces to integrate these workpieces together by the temporarily-interlocking portion to obtain the laminate.