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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.:

US 10913356 B1

PDFFull Text
Date of Patent:
Feb. 09, 2021

Filed:

Jan. 29, 2018

Power supply system

Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventor:

Keiichi Nakamura, Toyota, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

Attorney:

Hunton Andrews Kurth LLP

Primary Examiner:

Jared Fureman

Assistant Examiner:

Michael J Warmflash

Int. Cl.
CPC ...
B62D 5/04 (2006.01); H02J 7/34 (2006.01); H02M 3/155 (2006.01); B60L 1/00 (2006.01); G01R 31/382 (2019.01); G01R 31/389 (2019.01); G01R 31/392 (2019.01); B60L 3/00 (2019.01); H02J 1/08 (2006.01); B60R 16/03 (2006.01); B60L 3/04 (2006.01); B60L 58/20 (2019.01); H02J 7/14 (2006.01);
U.S. Cl.
CPC ...
B60L 1/00 (2013.01); B60L 3/0046 (2013.01); B60L 3/0092 (2013.01); B60L 3/04 (2013.01); B60L 58/20 (2019.02); B60R 16/03 (2013.01); B62D 5/0484 (2013.01); G01R 31/382 (2019.01); G01R 31/389 (2019.01); G01R 31/392 (2019.01); H02J 1/08 (2013.01); H02J 7/34 (2013.01); H02M 3/155 (2013.01); B60L 2240/547 (2013.01); H02J 1/082 (2020.01); H02J 7/1423 (2013.01); H02J 7/1461 (2013.01); H02J 7/1492 (2013.01); Y02T 10/70 (2013.01); Y02T 10/92 (2013.01);
Abstract

A power supply system includes a first circuit, a second circuit and a voltage controller. The first circuit includes a first power supply line connected to each of a first load, a power supply source, and a first battery. The second circuit includes a second power supply line connected to a second load and a second battery connected to the second power supply line. The voltage controller includes a DC-DC converter connected between the first power supply line and the second power supply line. The second load is able to perform a function that substitutes for at least part of a function that the first load performs. The voltage controller includes a converter control unit configured to control the DC-DC converter such that an output voltage higher than or equal to a voltage of the second battery is output to the second power supply line.

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