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:
Aug. 01, 2017

Filed:

Aug. 25, 2015
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventor:

Hiroshi Nate, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 11/18 (2006.01); H02J 7/14 (2006.01); H02J 7/34 (2006.01);
U.S. Cl.
CPC ...
B60L 11/1824 (2013.01); B60L 11/1848 (2013.01); B60L 11/1868 (2013.01); H02J 7/1423 (2013.01); H02J 7/34 (2013.01); Y02T 10/7005 (2013.01);
Abstract

An electric power supply device includes a first battery electrically connected to each of a plurality of load instruments mounted on a vehicle and supplying electric power to each of the load instruments, a second battery electrically connected to the first battery and each of the load instruments via a switch and capable of supplying electric power to each of the load instruments, and an electronic control unit (ECU) configured to cut off electrical connection between the second battery and each of the load instruments by turning OFF the switch under a condition that when a high-load instrument included in the load instruments is not in operation.


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