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:
Apr. 07, 2015
Filed:
Mar. 15, 2013
Denso Corporation, Kariya, Aichi-pref., JP;
Toyoaki Kurita, Obu, JP;
Denso Corporation, Kariya, JP;
Abstract
After turning a main relay to a full off-state and turning a charger relay to a full off-state or a half off-state only one of a positive-side switch and a negative-side switch is turned of voltage application processing is performed to control a bidirectional DC-DC converter to apply an output voltage of an accessory battery to a power cable after boosting. After the voltage application processing, check processing is performed to check whether a short-circuit is present in the charger relay by comparing a terminal voltage of a first capacitor and a terminal voltage of a second capacitor. After the check processing, discharge processing is performed to control the DC-DC converter to discharge at least the first capacitor.