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:
Feb. 12, 2013
Filed:
Mar. 31, 2010
Applicants:
Mitsuteru Yano, Tochigi-ken, JP;
Toshiaki Takeshita, Haga-gun, JP;
Yoshihiro Kawamura, Makinohara, JP;
Inventors:
Mitsuteru Yano, Tochigi-ken, JP;
Toshiaki Takeshita, Haga-gun, JP;
Yoshihiro Kawamura, Makinohara, JP;
Assignees:
Honda Motor Co., Ltd., Tokyo, JP;
Yazaki Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
When a malfunction of an ungrounded drive electric system including first and second ungrounded power supplies, an inverter, and a motor which is energized by the first and second ungrounded power supplies through the inverter, i.e., an erroneous opening of switches of a battery, is detected, switches of an insulation resistance detector are opened to insolate the insulation resistance detector from the ungrounded drive electric system.