US Patent Issued to ROLLS-ROYCE on Sept. 2 for "Ducted fan aircraft propulsion system" (British Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,007, issued on Sept. 2, was assigned to ROLLS-ROYCE plc (London).

"Ducted fan aircraft propulsion system" was invented by Jonathan M Parsons (Derby, Great Britain), Elyse M Marshall (Derby, Great Britain), Sibylle Rerolle (London) and Nadav Grunberg (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a ducted fan aircraft propulsion system and to an aircraft incorporating such a propulsion system. Example embodiments include a ducted fan aircraft propulsion system (300), including: a duct (301); a central body portion (302) having first and second ends (303, 304) and extending through the duct (301); a payload portion (3...