ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,250, issued on March 18, was assigned to BEIJING AERONAUTICAL SCIENCE & TECHNOLOGY RESEARCH INSTITUTE, COMMERCIAL AIRCRAFT CORPORATION OF CHINA (Beijing) and COMMERCIAL AIRCRAFT CORPORATION OF CHINA, LTD. (Shanghai).
"Aviation turbofan engine and fan duct nozzle" was invented by Zheng Cui (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan duct nozzle of an aviation turbofan engine. A notch is formed in a rear edge of an engine nacelle on an outer side of an engine pylon, and a flow guide curved surface matching the notch in shape is arranged on a profile of the fan duct nozzle. The notch is unilaterally formed in the outer side of the en...