ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,662, issued on Nov. 18, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).
"Method for manufacturing a hollow turbomachine blade" was invented by Maxime Marie Desire Blaise (Moissy-Cramayel, France), Celia Iglesias Cano (Moissy-Cramayel, France) and Lucas Antoine Christophe Lauwick (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing hollow composite material turbomachine part, includes producing a fibrous blank in one piece by three-dimensional weaving of yarns, the blank including at least one de-bonded zone forming an internal cavity, inserting a shaping part into the internal cavity of the fibrous blan...