Aisin Aw Co., Ltd.

Katsuichi Kono

Junichi Yokota

Ken Takeda

A hybrid excitation rotating electrical machine configured with a rotor having a shaft extended on at least one side in an axial direction, and first and second cores that are separated in the axial direction with a gap between the cores. First magnetic poles that are excited by a permanent magnet and second magnetic poles that are not excited by the permanent magnet are alternately arranged in a circumferential direction in each of the first and second cores. The first magnetic poles of the first core have a different polarity from that of the first magnetic poles of the second core, and the first magnetic poles of one of the first and second cores are placed so as to face the second magnetic poles of the other of the first and second cores in the axial direction with the gap between the magnetic poles.

Hybrid excitation rotating electrical machine

A hybrid excitation machine comprising a rotor having first and second rotor cores with a gap between in an axial direction, wherein first magnetic poles excited by a permanent magnet and second magnetic poles not excited by the permanent magnet are alternately arranged in a circumferential direction in each rotor core. The first magnetic poles of the first and second rotor cores have different polarities, and the first magnetic poles of one rotor, core face the second magnetic poles of the other rotor core in the axial direction. A stator generating a magnetic field rotating the motor is placed radially outward of the rotor and an exciting coil exciting the second magnetic poles is placed in the gap, wherein the stator has, in the axial direction, first stator cores on both sides and a second stator core having lower magnetic resistance than the first stator core, in a center.

A hybrid excitation machine comprising a rotor having first and second rotor cores with an axial gap between; a stator placed radially outward of the rotor; and an exciting coil fixed to the stator placed in an air gap between the stator and rotor to protrude radially inward from the stator. In an axial direction, an axial end of a radially outer end of the first rotor core located on the second rotor core side and the second rotor core are positioned on opposite sides of an axial end of the exciting coil located on the first rotor core side, and an axial end of a radially outer end of the second rotor core located on the first rotor core side and the first rotor core are positioned on opposite sides of the axial end of the exciting coil located on the second rotor core side.

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Okazaki, Japan

Katsuichi Kono