ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,165, issued on July 22, was assigned to SAFRAN AIRCRAFT ENGINES (Paris) and SAFRAN HELICOPTER ENGINES (Bordes, France).
"Turbine" was invented by Bertrand Guillaume Robin Pellaton (Moissy-Cramayel, France) and Thibaud Louis Zaia (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine for a turbomachine of longitudinal axis including an alternating arrangement of annular rows of movable blades and of fixed blades and a radially inner annular cavity formed radially inside the movable and fixed blades, and a supply circuit for supplying cooling air to the inner annular cavity, the downstream end of the supply circuit comprisin...