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.:
Date of Patent:
Aug. 02, 2022
Filed:
Apr. 22, 2019
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Ho Joon Shin, Suwon-si, KR;
Nam Koo Han, Yongin-si, KR;
Sang Yoo Lee, Seoul, KR;
Heon Young Kwak, Hwaseong-si, KR;
Hong Geuk Park, Cheonan-si, KR;
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA MOTORS CORPORATION, Seoul, KR;
Abstract
Disclosed herein is a fault diagnosis apparatus of a rapid charging system for a vehicle including an external device configured to exchange power with a vehicle battery, a power transfer unit including a three-phase motor, an inverter connected to the battery in parallel and connected to the three-phase motor, and one or more relays connected to the three-phase motor and configured to transfer power between the external device and the battery, and a controller configured to control the on and off functions of the relay, to control driving of the inverter to generate voltages applied to one end of each of the relays, and to diagnose fault of relays by comparing voltages of both ends of the relays while turning the relays on/off.