Wing for aircraft, leading edge high lift assembly and aircraft

Through the innovative design of slat tracks and roller support devices, the problem of balancing aerodynamic performance and noise between the slats and the main wing was solved, achieving optimal performance matching in different flight phases and improving the aerodynamic efficiency and noise reduction of the aircraft.

CN121990154APending Publication Date: 2026-05-08AIRBUS OPERATIONS GMBH
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Patent Information

Application Number
CN202511607019.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-11-07
Filing Date
2025-11-05
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing wing designs struggle to achieve the optimal balance between aerodynamic performance and noise between slats and main wings, especially given the unresolved differences in requirements across different flight phases.

Method used

The design employs a slat track and roller support device, which allows the slats to seal against the main wing in the retracted position to reduce noise, while creating a gap between the extended positions to increase lift. The load is transferred at different positions through multiple support units, reducing the guide rail length and contact force, and combined with the drive mechanism to achieve a compact arrangement.

Benefits of technology

By reducing drag and noise during takeoff and increasing lift during approach and landing, an optimal balance between aerodynamic performance and noise is achieved, thus improving the overall performance of the aircraft.

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Abstract

Disclosed are a wing for an aircraft, a leading edge high lift assembly and an aircraft, the wing comprising a main wing and a leading edge high lift assembly, the leading edge high lift assembly comprising a slat and a connecting assembly movably connecting the slat to the main wing, and a connecting assembly for connecting the slat to the main wing such that the slat is movable between a retracted position, a first extended position, and a second extended position, where the connecting assembly comprises an elongate slat track, a first end and / or a middle portion of which is mounted to the slat, the slat track being mounted to the main wing by means of a roller support. The aim of providing a wing with a beneficial ratio of aerodynamic performance to noise resulting from the extension of the slat is achieved, in which the slat track and the roller support are configured such that, in a retracted position and a first extended position, the slat rests against the main wing and, in a second extended position, the slat rests against the main wing. A gap is formed between the trailing edge of the slat and the leading edge of the main wing.
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