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:
Nov. 28, 2017
Filed:
May. 25, 2012
Applicants:
Yoshichika Kawashima, Kiryu, JP;
Teppei Tokizaki, Kiryu, JP;
Naoki Kojima, Kiryu, JP;
Inventors:
Assignee:
Mitsuba Corporation, Gunma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 23/04 (2006.01); H02K 23/32 (2006.01); H02K 1/26 (2006.01); H02K 3/28 (2006.01); H02K 11/02 (2016.01); H02K 1/17 (2006.01); H02K 7/116 (2006.01); H02K 13/00 (2006.01); H02K 11/25 (2016.01); H02K 5/14 (2006.01); H02K 11/026 (2016.01);
U.S. Cl.
CPC ...
H02K 1/17 (2013.01); H02K 1/265 (2013.01); H02K 3/28 (2013.01); H02K 7/1166 (2013.01); H02K 11/25 (2016.01); H02K 13/006 (2013.01); H02K 23/04 (2013.01); H02K 23/32 (2013.01); H02K 5/148 (2013.01); H02K 11/026 (2013.01);
Abstract
An electric motor includes a yoke having a cylindrical section, two pairs of permanent magnets disposed at an inner circumferential surface of the cylindrical section to oppose each other, and an armature rotatably supported further inside in a radial direction than the permanent magnets, wherein at least a pair of first flat sections opposing each other in the radial direction are formed at the cylindrical section, and the permanent magnets are disposed at positions distant from the first flat sections.