Electro-magnetic expulsion de-icing system

Details Electro-magnetic expulsion de-icing system Electro-magnetic expulsion de-icing system

1997-02-13

2000-08-15

Poon, Peter M.

Aeronautics and astronautics

Aircraft structure

Ice prevention

244134A, 244134C, 244134D, B64D 1500

Patent

active

061023337

ABSTRACT:
The present invention is a de-icing system that uses electro-magnetic actuators mounted within the airfoil of an aircraft to effect de-icing. Advantageously, the actuators have low-energy requirements. Each actuator includes conductive strips fabricated on a flexible dielectric sheet. The conductive strips are wound into coils with the actuators shaped into a flattened elongated tube. The axis of the winding coils is coincident with the longitudinal axis of the elongated tube. Low adhesive coatings may be used to enhance the efficiency of the electro-magnetic coils in expulsing the ice accretion.

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