Aircraft icing detection system

Details Aircraft icing detection system Aircraft icing detection system

1992-12-23

1994-04-12

Huppert, Michael S.

Aeronautics and astronautics

Aircraft structure

Ice prevention

244134D, B64D 1520

Patent

active

053019059

ABSTRACT:
An aircraft icing detection system detects accumulation of ice on an upper surface (12) of a wing (10) of an aircraft. The system includes an air pump (18) that delivers air through first and second conduits (24, 26). The first conduit delivers air through a first air knife (32) to openings (34) in the upper surface of the wing. The second conduit delivers air through a lower wing surface (14) through openings in a second air knife (42). When ice accumulates on the upper surface, flow from the first air knife is restricted. A differential pressure sensor (46) senses a pressure difference between the conduits and warns the pilot of possible ice accumulation by illuminating a warning light (50).

REFERENCES:
patent: 2916731 (1959-12-01), Foster
patent: 2947835 (1960-08-01), Flubacker et al.
patent: 3917193 (1975-11-01), Runnels, Jr.
patent: 5062120 (1991-10-01), Daly et al.

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