US Patent Issued to York Guangzhou Air Conditioning and Refrigeration, Tyco Fire & Security on July 7 for "Air guide ring and axial flow fan comprising same" (Chinese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,470, issued on July 7, was assigned to York Guangzhou Air Conditioning and Refrigeration Co. Ltd. (Qingyuan, China) and Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland).

"Air guide ring and axial flow fan comprising same" was invented by Baojun Chang (Qingyuan City, China), Qinghua Tang (Qingyuan City, China), Xiaokui Ma (Qingyuan City, China) and Li Wang (Qingyuan City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air guide ring includes an annular air guide portion having an air duct that accommodates an impeller of an axial flow fan configured to rotate therein. The annular air guide portion has an inner side wall and an ...