A permanent magnet type rotary electric machine has a rotor having a rotor core and permanent magnets buried into the rotor core by being incorporated into respective permanent magnet slots. The permanent magnet slot per one pole is divided at least into four slots along an outer circumferential direction in the rotor core, and in respective rest core-portions between adjacent divided permanent magnet slots in the rotor core, a width of a first rest core-portion at the middle of each pole and a width of a second rest core-portion between adjacent poles of different polarities are formed larger than that of the others.
Permanent magnet type rotary electric machine
Elektrische Drehmaschine mit Permanentmagnet
Machine électrique rotative à aimants permanents
2015-11-25
Patent
Elektronische Ressource
Englisch
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