Icing protection for aircraft air inlet scoops

Details Icing protection for aircraft air inlet scoops Icing protection for aircraft air inlet scoops

2011-07-12

2011-07-12

Michener, Joshua J (Department: 3644)

Aeronautics and astronautics

Aircraft structure

Ice prevention

C060S039093

Reexamination Certificate

active

07975966

ABSTRACT:
Aircraft air scoop icing protection systems and methods include an air duct having air inlet and outlet openings and a fairing which covers the air duct and defines an interior fairing space in which at least a forward portion of the air duct is positioned. The fairing has a forward end which surrounds the air inlet of the air duct. At least one tube is provided having an inlet end in communication with a heated air chamber associated with an airframe structure of the aircraft, and an outlet end in communication with the interior fairing space. Heated air in the heated chamber is directed through the tube to the interior fairing space so as to provide icing protection to the air duct. The air scoop icing protection systems may advantageously be employed so as to provide icing protection to air scoops associated with an aircraft engine nacelle using the residual heat from the nacelle's inlet lip primary bleed air system.

REFERENCES:
patent: 4406431 (1983-09-01), Heuberger
patent: 4674714 (1987-06-01), Cole et al.
patent: 4738416 (1988-04-01), Birbragher
patent: 6193192 (2001-02-01), Porte
patent: 6427434 (2002-08-01), Porte et al.

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