Abstract: A permanent magnet rotating electrical machine includes a rotor which has permanent magnets buried in a plurality of permanent magnet insertion slots that are provided in a rotor core, and the rotor is rotatably supported by a rotary shaft with a gap on the inner peripheral side of a stator. When the axis of magnetic flux for the permanent magnet is set as a d-axis and the position deviated from the d-axis by electrical angle of 90° is set as a q-axis, the permanent magnet insertion slot is located on the q-axis and a first permanent magnet magnetized in the direction orthogonal to the q-axis is buried in the permanent magnet insertion slot. The permanent magnet insertion slot is located on the d-axis and a second permanent magnet magnetized in the direction parallel to the d-axis is buried in the permanent magnet insertion slot, while at least one or more third permanent magnets buried in the permanent magnet insertion slots are provided between the first permanent magnet and the second permanent magnet.

Abstract: A rotating electric machine for an electric vehicle, installed in a vehicle and driven by an inverter power source, includes: a partial discharge measuring device that measures partial discharges occurring in insulated areas between windings, between phases and between the rotating electric machine and a ground.

Abstract: A rotating electrical machine includes a stator and a rotor. The stator winding includes a plurality of conductor segments inserted through the slots from one end surface of the stator core with end portions of the conductor segments projecting out beyond another end surface of the stator core. The conductor segments include an undeformed portion, a plastically deformed portion formed at the end portions thereof and a tapered portion. The plastically deformed portion has a dimension of the plastically deformed portion along a circumferential direction that is greater than a dimension of the undeformed portion along the circumferential direction and so that a dimension of the plastically deformed portion along a radial direction is smaller than a dimension of the undeformed portion along the radial direction. The conductor segments are welded together at tops of the plastically deformed portions thereof.

Abstract: A rotating electrical machine includes a stator having a stator core having a plurality of slots formed therein and a plurality of stator coils to be accommodated in the respective slots, and a rotor arranged on an inner peripheral side of the stator. The plurality of slots include a first slot and a second slot, and when a first ratio between the number of coils having the same phase to be accommodated within the first slot and the number of the plurality of coils exceeds a predetermined ratio, and a second ratio between the number of coils having the same phase to be accommodated in the second slot and the number of the plurality of coils is the predetermined ratio or lower, a width of a first slot opening that the first slot has so as to face the rotor side is 0 or wider, and is smaller than a width of a second slot opening that the second slot has so as to face the rotor side.

Abstract: A rotating electric machine for vehicular use includes: a stator that includes a stator core and a stator winding wound at the stator core; and a rotor that is rotatably disposed relative to the stator and includes a rotor core formed by laminating a plurality of electromagnetic steel sheets with a plurality of magnet insertion holes formed therein and includes a plurality of permanent magnets each held in each of the plurality of magnet insertion holes to form a magnetic pole. Each of the plurality of permanent magnets extends along a rotor axis and is formed in a shape assuming at least two different lengths along a circumference of the rotor.

Abstract: Induction electrical rotating machine includes a stator which has plural stator slots 114 formed at a predetermined spacing in a circumferential direction of a stator iron core 111 and in which a stator winding 120 is accommodated in the plural stator slots 114, and a rotor 130 in which a rotor bar 132 extending in an axial direction of the rotor iron core 111 is provided in a plural number at a spacing in a circumferential direction and in which a pair of end rings that shorts the plural rotor bars 132 at ends in the axial direction is provided. A shape of a stator-side end, of a sectional shape within a plane orthogonal to a rotor axial direction of the rotor bar 132, is asymmetrical and a notch 133 is formed.

Abstract: An in-vehicle rotating electrical machine 100 includes a stator 1 having a stator core 4 wound by a stator coil 6, a rotor 2 disposed with a rotation gap on an inner peripheral side of the stator core 4, and a flange 5a being a mounting member for mounting the stator 1 on a vehicle 300. The flange 5a is formed such that an axial position of a mounting position with the vehicle 300 is matched with an axial position of a magnetic center of the stator 1.

Abstract: In a terminal device, when application screens of a plurality of types of applications are being displayed individually and the display directions thereof differ from each other, a control section selects any one of the plurality of types of applications as a reference for display control, and orients the display direction of an application that is not the control reference to the display direction of an application that is the control reference. That is, when the display direction of an application displayed on one display section is changed from a vertical direction to a horizontal direction, the display direction of an application displayed on another display section is changed from the vertical direction to the horizontal direction so as to follow the foregoing change.

Abstract: Electric rotating machine suppressing narrowing of a magnetic path caused by a skin effect in a housing to increase torque, including stator core having e.g. core back and teeth; stator windings wound around the teeth; stator including stator core and stator windings; housing composed of a magnetic body accommodating the stator; rotor disposed for rotation on an inner circumferential side of the stator. An air gap is provided between an inside wall of the housing and an outer circumferential surface of core back. The core back has projections on a radial back surface of a portion where the teeth are provided. The projections are each provided to be continuous in an axial direction and have tip portions in contact with inside wall of the housing. The air gap may be defined by the inside wall of the housing, the outer circumferential surface of the core back and the projections.

Abstract: A gear-integrated electric motor is provided with a motor (1) generating a driving force by input of electricity, a gear mechanism (2) converting the driving force of the motor, and a housing (8) containing the motor and the gear mechanism, and used in a horizontal position in which a motor shaft (1s) and a gear output shaft (2s) become substantially horizontal. The gear-integrated electric motor includes at least one heat pipe (3) which has an evaporation portion (3e) disposed in a motor area of the housing, and a condensation portion (3c) disposed in a gear mechanism area of the housing and higher than the evaporation portion with respect to the vertical direction in the horizontal position.

Abstract: A rotating electrical machine includes a stator including at least two element coils of the same phase each having a plurality of turns and connected to each other through a coil-to-coil connection wire, the element coils being arranged in adjacent slots, respectively; and a rotor rotatably provided to the stator through a gap. The element coils of the same phase are fitted in the adjacent slots so that wound around portions of the element coils partially overlap each other. The coil-to-coil connection wire connects at a coil end portion conductor wires extending from linear conductor wire portions of innermost wires of the element coils contained in the slots.

Abstract: A rotating electric machine for an electric vehicle, installed in a vehicle and driven by an inverter power source, includes: a partial discharge measuring device that measures partial discharges occurring in insulated areas between windings, between phases and between the rotating electric machine and a ground.

Abstract: A rotary electric machine includes a stator having stator windings; and a rotor rotatably disposed in the stator, said rotor having a rotor core provided with a plurality of magnets and a plurality of magnetic auxiliary salient poles formed between poles of the magnets. In this rotary electric machine: a magnetic air gap is provided in an axial direction of the rotor in a position shifted in a circumferential direction from a q axis passing through a center of the magnetic auxiliary salient pole within the magnetic auxiliary salient pole; and an amount of shifting the magnetic air gap from the q axis in the circumferential direction differs according to a position of the magnetic air gap in the axial direction so as to cancel torque pulsation in energization caused due to the magnetic air gap.

Abstract: A rotary electric machine includes a stator having stator windings; and a rotor rotatably disposed in the stator, said rotor having a rotor core provided with a plurality of magnets and a plurality of magnetic auxiliary salient poles formed between poles of the magnets. In this rotary electric machine: a magnetic air gap is provided in an axial direction of the rotor in a position shifted in a circumferential direction from a q axis passing through a center of the magnetic auxiliary salient pole within the magnetic auxiliary salient pole; and an amount of shifting the magnetic air gap from the q axis in the circumferential direction differs according to a position of the magnetic air gap in the axial direction so as to cancel torque pulsation in energization caused due to the magnetic air gap.

Abstract: A rotary electric machine includes a stator having stator windings; and a rotor rotatably disposed in the stator, said rotor having a rotor core provided with a plurality of magnets and a plurality of magnetic auxiliary salient poles formed between poles of the magnets. In this rotary electric machine: a magnetic air gap is provided in an axial direction of the rotor in a position shifted in a circumferential direction from a q axis passing through a center of the magnetic auxiliary salient pole within the magnetic auxiliary salient pole; and an amount of shifting the magnetic air gap from the q axis in the circumferential direction differs according to a position of the magnetic air gap in the axial direction so as to cancel torque pulsation in energization caused due to the magnetic air gap.

Abstract: A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnet pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a cogging torque and a torque pulsation are restrained. By obtaining a reluctance torque according to the auxiliary magnetic pole, a permanent magnet electric rotating machine in which the cogging torque and the torque pulsation are restrained can be obtained and further an electromotive vehicle having the permanent magnet electric rotating machine can be provided.

Abstract: A permanent magnet rotating electric machine comprises a stator having stator windings wound round a stator iron core and a permanent magnet rotor having a plurality of inserted permanent magnets in which the polarity is alternately arranged in the peripheral direction in the rotor iron core. The rotor iron core of the permanent magnets is composed of magnetic pole pieces, auxiliary magnetic poles, and a stator yoke, and furthermore has concavities formed on the air gap face of the magnetic pole pieces of the rotor iron core of the permanent magnets, gently tilting from the central part of the magnetic poles to the end thereof. In a permanent magnet rotating electric machine, effects of iron loss are reduced, and an electric car using highly efficient permanent magnet rotating electric machine are realized.

Abstract: In a terminal device, when application screens of a plurality of types of applications are being displayed individually and the display directions thereof differ from each other, a control section selects any one of the plurality of types of applications as a reference for display control, and orients the display direction of an application that is not the control reference to the display direction of an application that is the control reference. That is, when the display direction of an application displayed on one display section is changed from a vertical direction to a horizontal direction, the display direction of an application displayed on another display section is changed from the vertical direction to the horizontal direction so as to follow the foregoing change.

Abstract: A permanent magnet rotating electric machine comprises a stator having stator windings wound round a stator iron core and a permanent magnet rotor having a plurality of inserted permanent magnets in which the polarity is alternately arranged in the peripheral direction in the rotor iron core. The rotor iron core of the permanent magnets is composed of magnetic pole pieces, auxiliary magnetic poles, and a stator yoke, and furthermore has concavities formed on the air gap face of the magnetic pole pieces of the rotor iron core of the permanent magnets, gently tilting from the central part of the magnetic poles to the end thereof. In a permanent magnet rotating electric machine, effects of iron loss are reduced, and an electric car using highly efficient permanent magnet rotating electric machine are realized.

Abstract: A permanent magnet rotating electric machine comprises a stator having stator windings wound round a stator iron core and a permanent magnet rotor having a plurality of inserted permanent magnets in which the polarity is alternately arranged in the peripheral direction in the rotor iron core. The rotor iron core of the permanent magnets is composed of magnetic pole pieces, auxiliary magnetic poles, and a stator yoke, and furthermore has concavities formed on the air gap face of the magnetic pole pieces of the rotor iron core of the permanent magnets, gently tilting from the central part of the magnetic poles to the end thereof. In a permanent magnet rotating electric machine, effects of iron loss are reduced, and an electric car using highly efficient permanent magnet rotating electric machine are realized.