Resistive elements for heating an aerofoil, and device for heati

Details Resistive elements for heating an aerofoil, and device for heati Resistive elements for heating an aerofoil, and device for heati

1997-11-25

1999-10-26

Jordan, Charles T.

Aeronautics and astronautics

Aircraft structure

Ice prevention

219202, B64D 1500, B60L 102

Patent

active

059713232

ABSTRACT:
To combat the formation of ice on an aerofoil, several resistive elements each consisting of electrically conducting fibers parallel to the leading edge and through which an electric current is made to flow to dissipate heat by a Joule effect are incorporated into this aerofoil close to its leading edge. In order to obtain a thermal power which can vary along the leading edge, the resistive elements are produced by superposing several layers of conducting fibers, at least one of which layers has a constant width, and at least one other of which has a width which varies continuously along the leading edge, but remains smaller than said constant width.

REFERENCES:
patent: 2556330 (1951-06-01), La Rue
patent: 2741692 (1956-04-01), Luke
patent: 4386749 (1983-06-01), Sweet et al.
patent: 4737618 (1988-04-01), Barbier et al.
patent: 5152480 (1992-10-01), Adams et al.
patent: 5344696 (1994-09-01), Hastings et al.
patent: 5475204 (1995-12-01), Giamati et al.

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