ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,466, issued on June 2, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).
"Blade with composite structure having improved ply drop orientation" was invented by Guillaume Pascal Jean-Charles Gondre (Moissy-Cramayel, France) and Alain Jacques Michel Bassot (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed fan blade is composed at least in part of a structure (50) made of composite material comprising a fiber reinforcement (62) and a matrix (64). The fiber reinforcement (62) includes a plurality of plies (66, 68) that are each formed of warp yarns (71) and weft yarns (72). The warp yarns (71) and weft yarns (72) include...