ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,343, issued on July 28, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Rotor and rotating electric machine" was invented by Yu Hirai (Tokyo), Junji Kitao (Tokyo) and Tatsuo Nishimura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a rotor that enables reduction in iron loss due to harmonics. One magnetic pole is formed by arranging three or more magnetic-pole layers each having a pair of V-shaped magnet slots and permanent magnets. An angle between a q axis and a line parallel to a magnetic-flux output surface of the permanent magnet is defined as a magnetic-pole-layer angle. The magnetic-pole-layer angles in one magnetic pole...