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:
Aug. 25, 2020
Filed:
Apr. 25, 2016
Applicant:
Mitsuba Corporation, Kiryu-shi, Gunma, JP;
Inventors:
Assignee:
Mitsuba Corporation, Gunma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 29/03 (2006.01); H02K 23/04 (2006.01); H02K 1/26 (2006.01); H02K 23/40 (2006.01); H02K 1/17 (2006.01); H02K 13/00 (2006.01);
U.S. Cl.
CPC ...
H02K 1/26 (2013.01); H02K 1/17 (2013.01); H02K 13/006 (2013.01); H02K 23/40 (2013.01); H02K 23/405 (2013.01); H02K 29/03 (2013.01); H02K 23/04 (2013.01); H02K 2201/03 (2013.01); H02K 2201/06 (2013.01); H02K 2213/03 (2013.01);
Abstract
In an electric motor () which includes four permanent magnets () and in which the number of teeth () and the number of slots () are set to 6, when a polar arc angle of the permanent magnet () is θ, and a skew angle of the teeth () and the slots () is θ, the polar arc angle θand the skew angle θare set so as to satisfy 50°≤θ1<70° and 0°<θ2≤20°.