JOINT PROTECTEUR À LABYRINTHE SUR MÂT PERMETTANT DE PROTÉGER CONTRE L'INTRUSION D'EAU

摘要

The present invention includes a helicopter rotor seal assembly (200) comprising: a rotor mast (202) having a longitudinal axis and an outer surface (204); a sleeve (210) aligned longitudinally with the axis and surrounding a portion of the rotor mast (202), the sleeve (210) having an outer surface, and an inner surface (208); an annular horizontal seal (206) between the inner surface (208) of the sleeve (210) and the outer surface (204) of the rotor mast (202); and an upper annular rotor mast seal (216) affixed to the outer surface (204) of the rotor mast (202) and extending outwardly sufficient to cover the annular horizontal seal (206).