Boots – shoes – and leggings
Patent
1994-04-25
1996-06-04
Voeltz, Emanuel T.
Boots, shoes, and leggings
364557, 7317026, 324654, 324657, 340580, 340581, 340962, 244134R, 244134F, G08B 1902, B64D 1520
Patent
active
055239595
ABSTRACT:
An ice detector and deicing fluid effectiveness monitoring system for an aircraft is disclosed. The ice detection portion is particularly suited for use in flight to notify the flight crew of an accumulation of ice on an aircraft lifting and control surfaces, or helicopter rotors, whereas the deicing fluid effectiveness monitoring portion is particularly suited for use on the ground to notify the flight crew of the possible loss of the effectiveness of the deicing fluid. The ice detection portion comprises a temperature sensor and a parallel arrangement of electrodes whose coefficient of coupling is indicative of the formation of the ice, as well as the thickness of the formed ice. The fluid effectiveness monitoring portion comprises a temperature sensor and an ionic-conduction cell array that measures the conductivity of the deicing fluid which is indicative of its concentration and, thus, its freezing point. By measuring the temperature and having knowledge of the freezing point of the deicing fluid, the fluid effectiveness monitoring portion predicts when the deicing fluid may lose its effectiveness because its freezing point may correspond to the temperature of the ambient.
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Technical Brochure of Innovative Dynamics, Inc. entitled "Thin Film Capacitive Ice Sensor." No Date.
Miller Guy
Stamber Eric W.
The United States of America as represented by the Administrator
Voeltz Emanuel T.
Warsh Kenneth L.
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