ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,026, issued on Aug. 5, was assigned to Ford Global Technologies LLC (Dearborn, Mich.).

"Systems and methods for demagnetization of a permanent magnet rotor" was invented by Wanfeng Li (Novi, Mich.), Franco Leonardi (Dearborn Heights, Mich.) and Michael Degner (Novi, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for demagnetizing a rotor. The method includes, in one example, adjusting a position of magnetic poles mounted on a frame in a demagnetization system in relation to a first electric machine rotor, and decreasing the magnetization of the first electric machine rotor via operation of the demagnetization system to gener...