Method of, and apparatus for, de-icing an aircraft by infrared r

Details Method of, and apparatus for, de-icing an aircraft by infrared r Method of, and apparatus for, de-icing an aircraft by infrared r

1994-03-07

1995-05-23

Grant, William

Aeronautics and astronautics

Aircraft structure

Ice prevention

126 92AC, 126 92B, B64D 1500

Patent

active

054173892

ABSTRACT:
An improved apparatus (11) for emitting infrared radiation of a desired wavelength includes a primary surface (35); a burner (24) for raising the temperature of the primary surface so as to cause the primary surface to emit infrared radiation of a first wavelength; a secondary surface (26) surrounding the primary surface in spaced relation thereto and arranged to be heated by infrared radiation emitted by the first surface and for emitting infrared radiation of a second wavelength toward the object; and an actuator (28) for selectively varying the spacing between the primary and secondary surfaces so that infrared radiation emitted by the secondary surface will be at a desired wavelength and will be focused; whereby the apparatus will emit infrared radiation of a desired wavelength toward the object. The improved apparatus may be used in a method of de-icing a portion of an aircraft, which includes the steps of: providing a structure (10) having an infrared heater (23); moving an aircraft relative to the structure to a position adjacent the heater; operating the heater so as to emit radiation toward the object; and controlling the wavelength of radiation emitted by the heater; thereby to melt snow and ice from the aircraft portion.

REFERENCES:
patent: 3023296 (1962-02-01), Barber
patent: 3194960 (1965-07-01), Tuttle
patent: 3330267 (1967-07-01), Bauer
patent: 3451094 (1969-06-01), Kywi
patent: 4378755 (1983-04-01), Magnusson et al.
patent: 4682578 (1987-07-01), Schmidt
patent: 5161753 (1992-11-01), Vice et al.

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