ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,772, issued on March 3, was assigned to GM Global Technology Operations LLC (Detroit).
"Electrical machine" was invented by Vincent Fedida (Shanghai), Jian Yao (Shanghai) and Chengwu Duan (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical machine includes a rotationally-fixed stator defining a rotational axis of the electrical machine and having a plurality of stator magnetic poles, the stator magnetic poles disposed about the rotational axis. The electrical machine also has a rotor rotatably mounted coaxially with the rotational axis and axially spaced from the stator, the rotor having a plurality of permanent magnets facing the...