ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,023, issued on Oct. 14, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo) and NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY (Yokohama, Japan).
"Magnetic gap length estimating device, magnetic gap length estimating method, and driving device for rotating electric machine" was invented by Kodai Okazaki (Tokyo) and Kan Akatsu (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a magnetic gap length estimating device in which neither a current sensor nor a current load is necessary, and a voltage at a connection-wire neutral point does not need to be measured. A magnetic gap length estimating device for estimating ...