Center fuselage bellows

B - Operations – Transporting – 64 – C

Patent

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Details

B64C 1/26 (2006.01) B64C 7/00 (2006.01) F16J 15/50 (2006.01)

Patent

CA 2755462

The invention provides a sealing assembly in an airframe (106) of aircraft. The sealing assembly comprises a resilient and yet stiff enough bellows body (200) which is attachable to the fuselage (110) of the aircraft and is further attachable to a center wing (108) box of the air-craft. The sealing assembly seals off a gap between the fuselage (110) and the center wing box (108) so as to allow maintaining pressure in the fuse-lage (110) if the fuselage is pressurized. The bellows body (200) is a com-posite and is designed to sustain exposure to tear and wear and exposure to a high and low temperatures as well as exposure to chemicals used dur-ing operation of the aircraft.

La présente invention concerne une structure isolante dans la cellule (106) d'un aéronef. La structure isolante comprend un corps en forme de soufflet (200), souple mais suffisamment rigide, qui peut être attaché au fuselage (110) de l'aéronef et qui peut être en outre attaché à un boîtier de l'aile centrale (108) de l'aéronef. La structure isolante isole un espace entre le fuselage (110) et le boîtier de l'aile centrale (108) de façon à maintenir la pression dans le fuselage (110) si le fuselage est mis sous pression. Le corps en forme de soufflet (200) est un composite et est conçu pour résister au déchirement et à l'usure, à l'exposition à des températures basses et élevées ainsi qu'à une exposition à des produits chimiques utilisés lors du fonctionnement de l'aéronef.

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