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. 06, 2018
Filed:
Sep. 08, 2016
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Kentaro Ishii, Tokyo, JP;
Yo Masuda, Tokyo, JP;
SUBARU CORPORATION, Tokyo, JP;
Abstract
A vehicle power supply device including a power storage device includes: an inlet that is coupled to an external power supply via a charging cable when the power storage device is charged using the external power supply; an outlet that is coupled to an external device when power is supplied from the power storage device to the external device; a first power converter that is formed between the inlet and the power storage device and converts alternating current (AC) power into direct current (DC) power; a second power converter that is formed between the outlet and the power storage device and converts DC power into AC power; and a malfunction diagnosis unit that diagnoses malfunction of a power supply path in a state in which the inlet and the outlet are coupled to each other using the charging cable.