Boots – shoes – and leggings
Patent
1989-01-10
1993-04-27
Cosimano, Edward R.
Boots, shoes, and leggings
244134F, 340582, B64D 1520
Patent
active
052068064
ABSTRACT:
The de-icing system of the present invention comprises a piezoelectric sensor means and a processor means. A piezoelectric film is the preferred sensor means and a microprocessor is the preferred processor means. In a preferred embodiment, a strip of piezoelectric film placed at a point of model kinetic energy such as the boundary layer transition point or the vortex generator of the aircraft. Such placement of the strip provides adequate airflow to excite the piezoelectric film without using a power source, thus providing a passive system. The sensor allows measurement of distributed
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Dahl Philip R.
Gerardi Joseph J.
Hickman Gail A.
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