FIELD: aviation.
SUBSTANCE: invention relates to anti-acing systems of aircrafts. Method of protecting aircraft wing against icing involves extraction of hot air from engine compressor, regulation of parameters of extracted hot air and its supply to distributing pipes (3, 4) of slats of wing consoles. Distribution pipes (3, 4) of hot air are equipped with regulating shutter (5, 6) and sensors. System for protection of aircraft wing against icing contains means for controlling parameters of hot air and controlling flight modes, as well as control unit (13) by drives of control valves. Control unit of the control valves drives (13) is equipped with device (14) for generating signals of hot air pressure dependence at the outlet of control gate (5, 6) from the flight altitude of the aircraft. After adjustment of parameters of hot air its temperature is kept constant. Pressure and flow rate into slat distribution pipes are varied depending on flight altitude using control flap.
EFFECT: elimination of glacial slat lines avoidance due to mismatching with conditions causing icing at the appropriate flight altitude.
8 cl, 4 dwg
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Authors
Dates
2021-05-17—Published
2019-10-04—Filed