ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,729, issued on Oct. 7, was assigned to SAFRAN HELICOPTER ENGINES (Bordes, France).
"Method for manufacturing a compressor impeller for a turbomachine" was invented by Rainer Thomas (Moissy-Cramayel, France), Laurent Pierre Tarnowski (Moissy-Cramayel, France), Mathieu Laurent Herran (Moissy-Cramayel, France) and Ludovic Andre Joel Naudot (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a compressor impeller or rotor including a hub that carries blades, involving a step of manufacturing a hub which includes all or some of the blades, and a step of additive manufacture by adding localised material using ...