ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,288, issued on June 30, was assigned to FUKUTA ELECTRIC & MACHINERY Co. LTD. (Tongluo Township, Taiwan).
"Rotor structure" was invented by Chin-Feng Chang (Tongluo Township, Miaoli County, Taiwan), Chih-Meng Chu (Tongluo Township, Miaoli County, Taiwan), Chen-Hui Chang (Tongluo Township, Miaoli County, Taiwan) and Chien-Hsun Chen (Tongluo Township, Miaoli County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor structure comprises core laminations, two ring covers, and a hollow shaft. The core laminations have a horizontal side with multiple equally angled lightening holes. Each ring cover has a horizontal inner surface that contacts th...