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.

Date of Patent:
Sep. 11, 2012

Filed:

Mar. 31, 2010
Applicants:

Mitsuteru Yano, Tochigi-ken, JP;

Toshiaki Takeshita, Tochigi-ken, JP;

Inventors:

Mitsuteru Yano, Tochigi-ken, JP;

Toshiaki Takeshita, Tochigi-ken, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electric vehicle incorporates a ground fault detecting system and has first and second ungrounded power supplies. The ground fault detecting system includes a first insulation resistance detector for detecting a first insulation resistance of the first ungrounded power supply with respect to a grounded region of the electric vehicle, and a second insulation resistance detector for detecting a second insulation resistance of the second ungrounded power supply with respect to the grounded region. The first insulation resistance detector and the second insulation resistance detector detect the first insulation resistance and the second insulation resistance at different times, respectively.


Find Patent Forward Citations

Loading…