US Patent Issued to SAFRAN HELICOPTER ENGINES on July 1 for "Method for manufacturing a flame tube for a turbomachine" (French Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,418, issued on July 1, was assigned to SAFRAN HELICOPTER ENGINES (Bordes, France).

"Method for manufacturing a flame tube for a turbomachine" was invented by Stephane Lavignotte (Moissy-Cramayel, France), Guillaume Thierry Cottin (Moissy-Cramayel, France), Jean-Paul Didier Autret (Moissy-Cramayel, France), Mehdi Deliba (Moissy-Cramayel, France), Thomas Sebastien Alexandre Gresy (Moissy-Cramayel, France) and Nicolas Roland Guy Savary (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a flame tube for a turbomachine, the flame tube extending about an axis and comprising an annular radially internal wall a...