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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 11691536 B1

PDFFull Text
Date of Patent:
Jul. 04, 2023

Filed:

Dec. 01, 2021

Power system for a vehicle

Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Corporation, Seoul, KR;

Inventor:

Jae Min Kwon, Incheon, KR;

Assignees:

HYUNDAI MOTOR COMPANY, Seoul, KR;

KIA CORPORATION, Seoul, KR;

Attorney:

Lempia Summerfield Katz LLC

Primary Examiner:

Jared Fureman

Assistant Examiner:

Aqeel H Bukhari

Int. Cl.
CPC ...
B60L 58/22 (2019.01); B60L 50/60 (2019.01); H02J 7/00 (2006.01); B60R 16/033 (2006.01); H02M 1/00 (2006.01); H02J 7/34 (2006.01); B60L 58/19 (2019.01); H02M 3/00 (2006.01);
U.S. Cl.
CPC ...
B60L 58/22 (2019.02); B60L 50/60 (2019.02); H02J 7/0013 (2013.01); H02J 7/00712 (2020.01); B60L 2210/10 (2013.01); B60L 2240/12 (2013.01); B60L 2240/547 (2013.01); B60R 16/033 (2013.01); H02J 2207/20 (2020.01);
Abstract

A power system for a vehicle includes: a high voltage battery; a low voltage DC-DC converter configured to step down a voltage of the high voltage battery and to output the stepped down voltage; a low voltage battery charged by an output current of the low voltage DC-DC converter, where the low voltage battery includes a first cell group including a plurality of battery cells, and a second cell group connected in parallel with the first cell group and including a plurality of battery cells; and a plurality of switches configured to electrically connect or disconnect the first cell group or the second cell group with the low voltage DC-DC converter, electrical loads configured to receive power from at least one of the low voltage DC-DC converter and the low voltage battery; and a controller configured to control opening or closing of the plurality of switches.

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