Patent ID: 9444319
Filing Date: 2016-09-13
CPC Classification: B60K,H02K,Y10S

Claim Text:
1. An electric rotating machine comprising: a power transmission mechanism which is equipped with a first rotor, a second rotor, and a third rotor and works to transmit power using magnetic force, the first rotor including n soft-magnetic members where n is an integer more than one, the second rotor including k soft-magnetic members where k is an integer more than one, the third rotor including magnets whose number of pole pairs is m where m is an integer more than or equal to one; and an armature which is disposed so as to face the third rotor, wherein the first rotor, the second rotor, and the third rotor are arranged so as to establish a magnetic coupling among them, and wherein the soft-magnetic members of the first and second rotors and the magnets of the third rotor meet a relation of 2m=|k±n|.