US Patent Issued to ZHONGSHAN YIBISI TECHNOLOGY on Feb. 10 for "Curved blade, preparation method thereof, and centrifugal impeller comprising the same" (Chinese Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,325, issued on Feb. 10, was assigned to ZHONGSHAN YIBISI TECHNOLOGY Co. LTD. (Zhongshan, China).

"Curved blade, preparation method thereof, and centrifugal impeller comprising the same" was invented by Qiu Lu (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a curved blade of a centrifugal impeller including: providing a primary blade, forming a fold line on the primary blade, and bending a bending region of the primary blade along the fold line towards a rotating axis of the centrifugal impeller. The primary blade includes an inlet edge, an outlet edge, a blade root, and a blade top. The inlet edge is disposed ...