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).
PROTECTIVE LABYRINTH OVER MAST SEAL TO PROTECT FROM WATER INTRUSION
LABYRINTHSCHUTZDICHTUNG FÜR EINEN MAST ZUM SCHUTZ VOR WASSEREINTRITT
JOINT PROTECTEUR À LABYRINTHE SUR MÂT PERMETTANT DE PROTÉGER CONTRE L'INTRUSION D'EAU
2020-06-17
Patent
Electronic Resource
English
Protective labyrinth over mast seal to protect from water intrusion
European Patent Office | 2020
|Protective Labyrinth Over Mast Seal to Protect From Water Intrusion
European Patent Office | 2018
|