US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on Oct. 21 for "Hybrid excited rotary machine" (Michigan, Ohio Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,781, issued on Oct. 21, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Hybrid excited rotary machine" was invented by Alireza Fatemi (Canton, Mich.), Alan G. Holmes (Clarkston, Mich.), Shawn H. Swales (Canton, Mich.), Mazharul Chowdhury (Canton, Mich.), Muhammad Hussain Alvi (Troy, Mich.), Peng Peng (Columbus, Ohio) and Thomas W. Nehl (Shelby Township, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle's electrified powertrain includes a battery pack linked to a traction power inverter module (TPIM) converting DC voltage from the battery pack into AC voltage. A rotary electric machine includes a stator energized by the T...