Hot air deicing duct rupture indicator

Details Hot air deicing duct rupture indicator Hot air deicing duct rupture indicator

B - Operations, Transporting

64

D

244/109

B64D 15/04 (2006.01) F02C 7/047 (2006.01)

Patent

CA 1272177

ABSTRACT DUCT FOR HOT AIR The duct (16) which delivers hot air (F) to the inside surface of the leading edge of a tubo-fan inlet cowl, for de-icing of the leading edge (11), is made double-walled (16,21) in order to safeguard from overheating the materials from which the cowl is constructed in the event of rupture of the duct. Preferably the flow of hot air in the outer duct blows open a hinged door (26) in the skin (10) of the cowl to provide a visual indication of the rupture of the inner duct. The outer duct can be made narrow enough to maintain working pressure in the inner duct after rupture.

492413

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