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:
Nov. 03, 2026

Filed:

Nov. 11, 2022
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Corporation, Seoul, KR;

Inventors:

Si Hun Yang, Hwaseong-si, KR;

Jin Young Yang, Hanam-si, KR;

In Yong Yeo, Bucheon-si, KR;

Jong Eun Byun, Suwon-si, KR;

Sang Jin Kim, Hwaseong-si, KR;

Dae Woo Lee, Incheon, KR;

Min Seong Choi, Hwaseong-si, KR;

Assignees:

Hyundai Motor Company, Seoul, KR;

Kia Corporation, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60L 53/22 (2019.01); B60L 53/10 (2019.01); B60L 53/16 (2019.01); H02J 7/02 (2016.01); H02M 1/42 (2007.01);
U.S. Cl.
CPC ...
B60L 53/22 (2019.02); B60L 53/11 (2019.02); B60L 53/16 (2019.02); H02J 7/02 (2013.01); H02M 1/4258 (2013.01); B60L 2210/30 (2013.01); H02J 2207/20 (2020.01);
Abstract

An embodiment is battery charging system including an external voltage conversion device including an input unit configured to receive a system AC voltage, an output unit configured to output a charging DC voltage, and a power factor correction circuit including a first switching circuit connected to the input unit, a second switching circuit connected to the output unit, and a transformer connected between the first switching circuit and the second switching circuit, and an electrified vehicle including a charging port configured to receive the charging DC voltage, a battery, a motor having a plurality of windings, an inverter connected to each of one-side ends of the plurality of windings, and a relay connected between the charging port and a neutral terminal for the plurality of windings, the electrified vehicle controlling the relay upon recharging of the battery.


Find Patent Forward Citations

Quick Actions:

Yang, Si. (2026). Battery charging system and external voltage conversion device for the same (U.S. Patent No. 12780021). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12780021

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