US Patent Issued to SAFRAN AIRCRAFT ENGINES on April 21 for "Aeronautical propulsion system comprising an optimized fan section" (French Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,124, issued on April 21, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Aeronautical propulsion system comprising an optimized fan section" was invented by Matthieu Pierre Michel Dubosc (Moissy-Cramayel, France), Guillaume Olivier Vartan Martin (Moissy-Cramayel, France) and Didier Rene Andre Escure (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fan section of an aeronautical propulsion system includes a fan rotor including seventeen blades to twenty blades and having a solidity strictly less than 1.0. The solidity is equal to a ratio between a chord at the blade tip and an inter-blade pitch at the blade tip. The fan se...