INTEGRAL COMPOSITE BOTTOM PANEL OF AIRCRAFT WING TORSION BOX Russian patent published in 2025 - IPC B64C3/26 

FIELD: aviation.

SUBSTANCE: invention relates to aircraft engineering. Integral composite lower panel of aircraft wing torsion box comprises skin (1) and a set of stringers (2) from polymer composite material based on carbon fibre, formed in form of a solid structure by vacuum infusion. Packing of polymer composite material includes from 1 to N packs consisting of layers with laying angles 0/±45/90° with percentage of layers in laying: 44% in direction 0°, 44% in directions ±45°, 12% in direction 90°.

EFFECT: reduction in the weight of the structure is achieved.

6 cl, 5 dwg