ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,051, issued on May 19, was assigned to HYUNDAI MOTOR COMPANY (Seoul, South Korea) and KIA Corp. (Seoul, South Korea).
"Vehicle battery diagnosis method and system" was invented by Chun Yong Kang (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle battery diagnosis method and system are provided. A controller completes charging a battery by stopping supply of current from a charger to the battery. The controller measures a relaxation voltage corresponding to a decrement of a voltage of the battery during a predetermined time period directly after the charging of the battery is completed. The controller estimates the state ...