US Patent Issued to SAFRAN AIRCRAFT ENGINES on Dec. 9 for "Aircraft turbine engine comprising variable-pitch propeller vanes" (French Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,987, issued on Dec. 9, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Aircraft turbine engine comprising variable-pitch propeller vanes" was invented by Vincent Joudon (Moissy-Cramayel, France), Clement Cottet (Moissy-Cramayel, France), Vivien Mickael Courtier (Moissy-Cramayel, France), Laurent Jablonski (Moissy-Cramayel, France) and Regis Eugene Henri Servant (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a variable pitch propeller blade for an aircraft turbine engine. The blade includes an airfoil connected to a root, the root having a body housed in an annular barrel that extends around a pitch axis of the ...