The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 03, 2017

Filed:

Sep. 20, 2013
Applicant:

Denso Corporation, Kariya, Aichi-pref., JP;

Inventor:

Tomokazu Hisada, Anjo, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 21/12 (2006.01); H02K 1/27 (2006.01); H02K 29/03 (2006.01);
U.S. Cl.
CPC ...
H02K 1/27 (2013.01); H02K 1/276 (2013.01); H02K 29/03 (2013.01); H02K 2201/06 (2013.01); H02K 2213/03 (2013.01);
Abstract

A rotor is provided which includes a first rotor portion, a second rotor portion which is arranged at a position deviated from the first rotor portion by a predetermined skew angle so as to contact the first rotor portion, first magnets each of which is provided in a magnetic pole of the first rotor portion, and second magnets each of which is provided in a magnetic pole of the second rotor portion and is arranged at a position deviated from the first magnet of the first rotor portion by the predetermined skew angle. Coercive field strengths of the first magnets and coercive field strengths of the second magnets are different from each other.


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