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. 09, 2022
Filed:
Sep. 07, 2017
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Yuji Takizawa, Tokyo, JP;
Hiroko Ikeda, Tokyo, JP;
Kazumasa Ito, Tokyo, JP;
Shinichi Yamaguchi, Tokyo, JP;
Yu Hirotani, Tokyo, JP;
Satoru Akutsu, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/16 (2006.01); H02K 11/215 (2016.01); H02K 3/28 (2006.01); H02K 21/24 (2006.01);
U.S. Cl.
CPC ...
H02K 1/16 (2013.01); H02K 3/28 (2013.01); H02K 11/215 (2016.01); H02K 21/24 (2013.01);
Abstract
A permanent-magnet synchronous motor and an electric power steering device are driven by a first system including a first armature winding and a first control apparatus and by a second system including a second armature winding and a second control apparatus and are configured in such a way that if one system fails, driving by the one system is stopped but the driving is continued by the other system.