ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,902, issued on Oct. 28.
"Flywheel device of energy converting equipment" was invented by Feng-Tien Chen (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The flywheel device comprises a disc-shaped body, a pair of ball screw members, and a pair of masses. The ball screw member includes a screw shaft and a pair of ball nuts. The screw shaft is received in the disc-shaped body and has a middle section, a left section with forward threads, and a right section with reverse threads. One of the ball nuts is screwed to the left section of the screw shaft, and the other ball nut is screwed to the right section of the screw shaft. One of the m...