AIRCRAFT WING Russian patent published in 2019 - IPC B64C3/10 

FIELD: aviation.

SUBSTANCE: invention relates to the aviation equipment. Wing of aircraft consists of centre section, console and required functional systems, is made with extension λ=7–11, narrowing η=3–4.5 and sweep χ=28–35° and comprises supercritical profiles with increased radii of socks. Front edge of wing at straight vertical view, rear edge is made with an influx, wing profiles are made with filling of upper surface of front part, equal to Kn=0.7–0.8 to 5 % of local chords, and with middle line on section of 10 to 40 % of local chords, having "shelf" type with ratio of corresponding ordinates of middle lines, relative thickness of profiles has value of about 15 % in onboard cross-section and decreases to 8–9 % in end section with virtually constant value on section from 65 % span of wing and to its end.

EFFECT: invention is aimed at increasing aerodynamic quality of aircraft, improving fuel efficiency and reducing harmful emissions into atmosphere.

1 cl, 6 dwg