Electromagnetic repulsion system for removing contaminants such as ice from the surfaces of aircraft and other objects
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United States of America Patent
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-
Sep 1, 1992
Grant Date -
N/A
app pub date -
Jan 3, 1991
filing date -
Jan 3, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The deicing system includes a plurality of relatively thin, flat coils positioned between an aircraft surface and an outer sheet. If the aircraft surface is electrically conducting such as aluminum, such that eddy currents may be established therein, then the outer sheet is resistant to eddy currents being established therein. An electrically conducting layer may be positioned between the coil and the aircraft surface to improve efficiency. If the aircraft surface is resistant to eddy currents being established therein, then outer sheet is electrically conducting. However, if an electrically conducting layer is positioned between coil and outer sheet, the outer sheet may be made from non-conducting material. A rapidly rising current through the coil will result in a rapid repulsion between the coil and the particular member which is electrically conducting, causing ice to be removed (shattered) from the outer sheet.
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