ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,316, issued on Aug. 25, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Electromagnetic rotary machinery" was invented by Masahito Miyoshi (Tokyo), Yuichiro Nakamura (Tokyo), Kenta Motoyoshi (Tokyo), Takumi Tomatsu (Tokyo) and Yoshinori Motonishi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bearingless motor as an electromagnetic rotary machinery includes a rotor and a stator disposed with a gap therebetween, and generates a bearing force that causes the rotor to levitate without contact, by an electromagnetic force or a magnetic force. A stator core includes a back yoke and a plurality of teeth. The teeth each include a tooth body an...