Device for heating an aerofoil

Details Device for heating an aerofoil Device for heating an aerofoil

1997-11-25

1999-09-07

Jordan, Charles T.

Aeronautics and astronautics

Aircraft structure

Ice prevention

244134R, 219545, B64D 1512, B64D 1514

Patent

active

059474181

ABSTRACT:
A number of resistive elements are incorporated into the aerofoil in the vicinity of its leading edge. Each of the resistive elements is electrically connected to the other resistive elements at its distal end and is fitted at its proximal end with means of connection to an electrical power supply. The resistive elements are split between a first set that includes at least two resistive elements and a second set that includes at least one resistive element. In service, the resistive of the first set are powered in turn, while each resistive element of the second set acts as a return path for the electricity and is powered continuously or almost continuously.

REFERENCES:
patent: 1703005 (1929-02-01), Hewitt
patent: 2686640 (1954-08-01), Neel, Jr. et al.
patent: 2932719 (1960-04-01), Godden
patent: 3183975 (1965-05-01), Keen
patent: 3420476 (1969-01-01), Volkner et al.
patent: 4737618 (1988-04-01), Barbier
patent: 4814931 (1989-03-01), Kugelman et al.
patent: 5351918 (1994-10-01), Giamati et al.
patent: 5657951 (1997-08-01), Giamati

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