AIRCRAFT WING Russian patent published in 2018 - IPC B64C3/10 

FIELD: aviation.

SUBSTANCE: invention relates to swept wings of subsonic aircraft. Wing of the aircraft consists of a center wing and a console, it is made with aspect ratio λ=9–12, sweep χ=10–35°, and contains supercritical profiles. Leading and trailing edges are made in the range from 0 to 33 % of the span of the wing with small fractures, front and rear extensions. Front and rear edge of the wing in the section of 27–35 % of its span has a rounding for a more uniform flow about the surface of the wing. Relative thicknesses of the wing profiles vary from 15–16 % in the side section to 12–13 % in the section of 27–35 % of its span and 9–10 % in the wing end sections.

EFFECT: invention is aimed at increasing aerodynamic quality and improving fuel efficiency.

1 cl, 4 dwg