US Patent Issued to GM Global Technology Operations on Oct. 20 for "Battery electric system with alternating current self-heating mode" (Michigan Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,953, issued on Oct. 20, was assigned to GM Global Technology Operations LLC (Detroit).

"Battery electric system with alternating current self-heating mode" was invented by Shuonan Xu (Troy, Mich.), Lei Hao (Troy, Mich.), Neeraj S. Shidore (Novi, Mich.), Chandra S. Namuduri (Troy, Mich.) and Nicholas W. Pinto (Shelby Township, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery electric system includes an inverter connected to a battery pack and a direct current (DC) voltage bus, first and second electrical switches, and a battery controller. The first switch is connected between the inverter and battery pack, and opens during an alternati...