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:
Jun. 15, 2021

Filed:

Feb. 20, 2019
Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventor:

Toshihiro Sone, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H02J 7/34 (2006.01); B60L 58/20 (2019.01); B60L 50/60 (2019.01);
U.S. Cl.
CPC ...
H02J 7/342 (2020.01); B60L 50/66 (2019.02); B60L 58/20 (2019.02); H02J 7/007 (2013.01); H02J 7/0047 (2013.01); B60L 2210/10 (2013.01); B60L 2240/547 (2013.01); B60L 2240/549 (2013.01);
Abstract

A vehicle electric power supply apparatus includes: a first battery that supplies electric power to a first load that is driven at a first voltage and a second load that is driven at a second voltage which is lower than the first voltage; a second battery that supplies electric power to the second load and that has a lower output voltage than that of the first battery; a DC/DC converter that reduces a voltage value of the first battery and that supplies electric power to the second load; and a control part that controls a state of supplying electric power of the first battery to the second load by controlling an operation of the DC/DC converter based on a charging rate of the first battery and a charging rate of the second battery.


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