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:
Jul. 07, 2020
Filed:
Apr. 13, 2015
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Munenori Yamamoto, Tokyo, JP;
Hiroshi Nishimura, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Chiyoda-ku, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); H02P 7/29 (2016.01); H02P 29/68 (2016.01); B60L 1/00 (2006.01);
U.S. Cl.
CPC ...
B62D 5/046 (2013.01); B60L 1/003 (2013.01); H02P 7/29 (2013.01); H02P 29/68 (2016.02);
Abstract
In an electric power steering device, if a semiconductor switching element is used between a battery and a bridge circuit for opening and closing a current path, this arises a problem of generation of heat by an ON resistance; for this reason, a current flowing through the semiconductor switching element is limited if a difference between the gate voltage and the source voltage of the semiconductor switching element is smaller than or equal to a predetermined value.