Duct for hot air

Details Duct for hot air Duct for hot air

1986-05-28

1988-07-19

Barefoot, Galen

Aeronautics and astronautics

Aircraft structure

Ice prevention

60 39093, B64D 1504

Patent

active

047579633

ABSTRACT:
Damage to the skin of the annular cowl (11) of the intake duct of a turbo-fan engine of an aircraft by exhausting on to it of hot air used within the cowl for de-icing its leading edge (10) is avoided by channelling spent air through an exhaust duct (15) to an exhaust aperture (21) in the surface of the cowl, and providing a heat shield (23) in the skin downstream of the exhaust aperture (21).

REFERENCES:
patent: 2081963 (1937-06-01), Theodorsen et al.
patent: 2207242 (1940-07-01), DeSeversky
patent: 2473387 (1949-06-01), Peters et al.
patent: 2820601 (1958-01-01), Crawford
patent: 2868483 (1959-01-01), Krueger
patent: 3830290 (1974-08-01), Thamasett et al.
patent: 4406431 (1983-09-01), Heuberger
patent: 4482114 (1984-11-01), Gupta et al.
patent: 4603824 (1986-08-01), McArdel

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