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.
Patent No.:
Date of Patent:
Jan. 13, 2015
Filed:
Oct. 29, 2012
Applicant:
Asmo Co., Ltd., Shizuoka-ken, JP;
Inventors:
Assignee:
ASMO Co., Ltd., Shizuoka-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/22 (2006.01); H02K 1/27 (2006.01); H02K 1/30 (2006.01); H02K 16/02 (2006.01); H02K 1/24 (2006.01); H02K 21/04 (2006.01);
U.S. Cl.
CPC ...
H02K 1/27 (2013.01); H02K 1/243 (2013.01); H02K 21/044 (2013.01); H02K 1/30 (2013.01); H02K 1/2706 (2013.01); H02K 1/2713 (2013.01); H02K 1/2766 (2013.01); H02K 16/02 (2013.01);
Abstract
A rotor includes at least one of a group of one or more auxiliary magnets that are located between first and second claw poles in a circumferential direction and magnetized to be magnetic poles of the same polarity as the first and second claw poles and another group of one or more auxiliary magnets that are located on a rear side of the first and second claw poles and magnetized to have radially outer portions of the same polarity as the first and second magnetic poles. The auxiliary magnets are arranged to protrude beyond at least one of axial end surfaces of the first and second core bases.