Aeronautics and astronautics – Aircraft structure – Ice prevention
Patent
1991-01-03
1992-09-01
Peters, Jr., Joseph F.
Aeronautics and astronautics
Aircraft structure
Ice prevention
244134E, B64D 1520
Patent
active
051433257
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.
REFERENCES:
patent: 3809341 (1974-05-01), Levin et al.
patent: 4678144 (1987-07-01), Goehner et al.
patent: 4875644 (1989-10-01), Adams et al.
patent: 4894569 (1990-01-01), Lardieye, Jr. et al.
patent: 4982121 (1991-01-01), Lardiere, Jr. et al.
Smith Samuel O.
Zieve Peter B.
Electroimpact, Inc.
Mojica Virna Lissi
Peters Jr. Joseph F.
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