ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,431, issued on Feb. 10, was assigned to RATIER-FIGEAC SAS (Figeac, France).
"Health monitoring system" was invented by Adele Boche (Albiac, France) and Romain Bouloc (Saint Felix, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of performing health monitoring for an aircraft having a variable pitch propeller system. The method includes: receiving aircraft flight information; performing a virtual pitch calculation to determine a virtual propeller pitch or virtual blade angle from the aircraft flight information; receiving a measured propeller pitch or blade angle from at least one physical sensor associated with the propeller; and usin...