ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,313, issued on Sept. 16, was assigned to DELTA ELECTRONICS INC. (Taoyuan, Taiwan).
"Centrifugal fan" was invented by Yi-Han Wang (Taoyuan, Taiwan), Chao-Fu Yang (Taoyuan, Taiwan), Chih-Chung Chen (Taoyuan, Taiwan), Kuo-Tung Hsu (Taoyuan, Taiwan) and Meng-Yu Chen (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A centrifugal fan includes a frame and an impeller rotatably disposed in the frame. The frame has an air inlet and an air outlet. The impeller includes a plurality of blades and an upper ring. The upper ring is connected to the blades and is located between the blades and an upper cover of the frame. The upper cover has a first...