Title: Electric machine
Application Number: 200610166768 Application Date: 2006.12.14
Publication Number: 1983775 Publication Date: 2007.06.20
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H02K16/02;H02K16/00;H02K1/27
Applicant(s) Name: Nissan Motor Address:
Inventor(s) Name: Shibukawa Yuichi
Attorney & Agent: wangjing gang wangdan
Abstract:
    The invention discloses a dynamo-electric machine having two rotors, at least one of the rotors is constructed to have a first magnetic path that extends in a circumferential direction of the rotor, at least one of the rotors is constructed to have a second magnetic path that extends in a radial direction of the rotor, and at least one of the rotors is of an interior permanent magnetic type (IPM) and includes an inside yoke that faces an axial end of the stator. A magnetic resistance of a part of the inside yoke by which the same poles of the permanent magnets of the corresponding rotor are magnetically connected is lower than that of another part of the inside yoke by which the different poles of the permanent magnets of the corresponding rotor are magnetically connected.
Time: 10