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Low noise wing slat system with deployable wing leading edge elements

A wing and leading edge technology applied in the field of low-noise wing slat system with deployable wing leading edge elements, which can solve the problem of air traffic inefficiency and reduce airport productivity

Active Publication Date: 2016-01-13
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, increasingly stringent noise management has resulted in increased air traffic inefficiencies and reduced airport productivity

Method used

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  • Low noise wing slat system with deployable wing leading edge elements
  • Low noise wing slat system with deployable wing leading edge elements
  • Low noise wing slat system with deployable wing leading edge elements

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Embodiment Construction

[0016] The following detailed description is directed to systems and methods for providing high lift systems using pocket-filled slats, thereby eliminating or reducing the noise-generating air recirculation associated with conventional slats. cycle. In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and which are shown by way of illustration, specific embodiment or example. Reference numbers refer to the same element throughout the several figures of the drawings. Referring now to FIG. 1 , a conventional high lift system 100 will be described.

[0017] Conventional high lift system 100 may include conventional leading edge slats 102 and ailerons 108 that act together to modify the shape of aircraft wings 104 to create additional aerodynamic lift. A conventional leading edge slat 102 is configured to mate with the leading edge of an aircraft wing 104 so that the conventional slat 102 and wing 104 together form the d...

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Abstract

The present invention relates to the concepts and techniques described herein for providing low noise aircraft wing slat systems. According to one aspect of the disclosure provided herein, a pocket-filling slat (202) is combined with a movable leading edge element (402, 502) of an aircraft wing to provide a high-lift system. The movable leading edge element may comprise a one-piece (402) or two-piece panel (502) that retracts within the aircraft wing to accommodate the pocket-filling slat in a stowed position. When the pocket-filling slat is deployed, the movable leading edge element is flared outward to form an outer mold line shape that is continuous with the wing.

Description

Background technique [0001] In the aircraft manufacturing industry, the reduction of noise levels associated with airport environments has become an increasingly high priority item. However, increasingly stringent noise management has resulted in increased air traffic inefficiencies and reduced airport productivity. For example, at many airports, capacity is currently largely governed by operating hours, which are usually limited to mostly daytime hours in order to prevent or mitigate noise pollution. During takeoff, approach, and landing operations, noise is generated to a large extent by aircraft engines and airframe components. With the advent of high bypass ratio engines, significant reductions in engine noise have been achieved, and this has been continuously improved. [0002] A significant source of rack noise originates from the aircraft's high-lift system. In particular, slotted slats can generate high noise levels due to the flow recirculation that occurs in the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64C3/50B64C9/24
CPCB64C3/50B64C9/24B64C2009/143B64C2230/14Y02T50/10Y02T50/30
Inventor A·什米洛维奇Y·亚德林
Owner THE BOEING CO