DE-ICING SYSTEM
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United States of America Patent
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Issued Date -
Jul 30, 2020
app pub date -
Jan 23, 2020
filing date -
Jan 29, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A de-icing system for one or more vanes of a gas turbine engine. The system comprises a coating of electrically conductive material on at least a portion of a vane and a plurality of magnets located circumferentially about a rotor shaft of the gas turbine engine and configured to be driven by the rotor shaft in the circumferential direction to generate a rotating magnetic field. A coiled wire is configured to remain stationary within the rotating magnetic field so as to induce a current therein, the coiled wire being connected to the coating for supplying the induced current to the electrically conductive material. In this way, the coating of electrically conductive material is heated by the induced current, for inhibiting ice accretion on the vane.
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