FIELD: transport.
SUBSTANCE: invention relates to aircraft engineering, particularly, to aircraft air intake. Air intake 1 comprises air passage 10 with air intake inlet 11 to bleed external air flow F. Proposed device comprises also shut-off appliance coupled with controlled moving element coupled with aforesaid passage and control means of said appliance to vary cross section of said passage depending upon aircraft speed. Control means are made up of aerodynamic surface arranged in air passage to produce lift P generated by external air flow F passing in said air passage.
EFFECT: lower drag, reduced air intake weight.
9 cl, 8 dwg
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