ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,966, issued on Sept. 30, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Fan module having variable-pitch blades" was invented by Ceddric Beljambe (Moissy-Cramayel, France), Gilles Alain Marie Charier (Moissy-Cramayel, France) and Jean Charles Olivier Roda (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fan module having variable-pitch blades is configured for use with for a propulsion unit having a longitudinal axis. The fan module includes a rotary casing carrying the blades and a pitch-changing system. The pitch-changing system includes a control device that includes an annular actuator having a stationary body added ...