Patent ID: 6034459
Filing Date: 2000-03-07
Classification: B60L,H02K,Y02T

Abstract:
A permanent magnet type dynamoelectric machine comprising:a stator having a stator iron ore in which a stator winding is wounds;a rotor having a rotor iron core facing the stator iron core through an air gap, permitting rotation of the rotor; anda plurality of permanent magnets embedded along a circumference of the rotor iron core;wherein a mechanical angle .theta. formed by an outer circumferential width of each of said permanent magnets at a side facing said stator, relative to the axial center of said rotor is set as,.theta..apprxeq.n.times..tau..sub.s +16/Pwherein .tau..sub.s is a slot pitch of said stator in mechanical angle, P is a pole number of the dynamoelectric machine and n is an integer.