Self-contained apparatus for de-icing aircraft surfaces using ma

Details Self-contained apparatus for de-icing aircraft surfaces using ma Self-contained apparatus for de-icing aircraft surfaces using ma

1987-09-18

1990-01-23

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Ice prevention

244134D, B64D 1518

Patent

active

048953229

ABSTRACT:
A modular, electromagnetic de-icing system, useful for aircraft, each module being self-contained and including an actuator coil which has a surface configuration which is substantially the same as the shape of the aircraft surface to be de-iced. Each module further includes an electrolytic capacitor which, when discharged, produces a current pulse through the actuator coil, as well as a power supply connected directly to the aircraft-voltage supply for charging the electrolytic capacitor to a selected level, and an electronic switch for selectively connecting the capacitor to the coil when the voltage on the capacitor reaches a selected level. The current through the coil results in a magnetic force pulse which acts on the metal skin of the aircraft to debond and shatter the ice therefrom.

REFERENCES:
patent: 3549964 (1970-12-01), Levin
patent: 3672610 (1972-06-01), Levin
patent: 3779488 (1973-12-01), Levin
patent: 4458865 (1984-07-01), Sandorff
patent: 4629149 (1986-02-01), Carson et al.
patent: 4678144 (1987-07-01), Goehner
patent: 4690353 (1987-09-01), Haslim

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