US Patent Issued to AIRBUS HELICOPTERS on March 11 for "Blade provided with a root comprising an integrated pitch attachment and two integrated damper attachments, and a rotor provided with such a blade" (French Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,825, issued on March 11, was assigned to AIRBUS HELICOPTERS (Marignane, France).

"Blade provided with a root comprising an integrated pitch attachment and two integrated damper attachments, and a rotor provided with such a blade" was invented by Adil Azzat (Aulnay-sous-Bois, France), Julien Thivend (Bagneux, France) and Sixtine Coston (Bagneux, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blade comprising a blade root extended by an aerodynamic intermediate part that extends up to a free end. The blade root comprises a one-piece attachment body made from composite materials, that is hollow and has a casing that defines an empty internal ...