US Patent Issued to Raytheon on Jan. 28 for "Permanent magnet synchronous motor (PMSM) integrated position sensing" (Arizona Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,257, issued on Jan. 28, was assigned to Raytheon Co. (Arlington, Va.).

"Permanent magnet synchronous motor (PMSM) integrated position sensing" was invented by Andrew Christopher Walecka (Tucson, Ariz.) and Gary Joseph Sutton (Oro Valley, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Permanent Magnet Synchronous Motor (PMSM) includes a hollow cylindrical stator with stator windings and a magnetic rotor having M pole pairs arranged to rotate around a rotational axis in the stator by a rotor shaft. The stator windings are energized to generate a magnetic rotational field in dependence upon the rotational position of the magnetic rotor. Two or ...