ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,474, issued on Aug. 18, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Device for diagnosing electric motor, method for diagnosing electric motor, and device for inferring indication of abnormality in electric motor" was invented by Makoto Kanemaru (Tokyo), Toshihiko Miyauchi (Tokyo) and Yoshiki Matsui (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A diagnosis device for an electric motor driven by an inverter includes a current detection circuit for detecting current of an electric motor, and a calculation processing unit which receives an output of the current detection circuit and performs winding short-circuit abnormality determinati...