ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,409, issued on Nov. 11, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Heat exchanger mounted in a turbine engine cavity" was invented by Sebastien Oriol (Moissy-Cramayel, France), Nicolas Vincent Pierre-Yves Cotereau (Moissy-Cramayel, France) and Mohammed-Lamine Boutaleb (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat exchange system for a turbine engine is provided. The heat exchange system includes a cavity having an air intake, a heat exchanger arranged in the cavity and having a first circuit in which a first fluid can circulate, a movable flap mounted at the air intake and moving between two positions permitti...