Aeronautics and astronautics – Aircraft structure – Ice prevention
Patent
1985-11-26
1988-10-04
Basinger, Sherman D.
Aeronautics and astronautics
Aircraft structure
Ice prevention
340580, B64D 1500
Patent
active
047751185
ABSTRACT:
Ice detection apparatus for use with aircraft having an EIDI solenoid mounted in proximity to the aircraft skin includes a current pulse generator selectively supplying the EIDI solenoid with current pulses of first and second levels, the second level being effective to generate force upon the skin to remove ice from the skin, and the first level being less than the second level. An accelerometer mounted on the interior surface of the skin produces an output signal in response to force imposed on the skin by current pulses of the first level. The output of the accelerometer is a function of both the current pulse level and of the presence of ice. A comparator is provided to generate an output signal indicative of the presence of ice when the accelerometer output signal reaches a predetermined level.
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patent: 3541540 (1970-11-01), Hughes
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patent: 4461178 (1984-07-01), Chamuel
patent: 4470123 (1984-09-01), Magenheim et al.
patent: 4514619 (1985-04-01), Kugelman
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Basinger Sherman D.
Sotelo Jesus D.
The Boeing Company
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