The double-layer parafoil comprises an upper-layer parafoil body and a suspension point located below the upper-layer parafoil body, a lower-layer parafoil body is arranged between the upper-layer parafoil body and the suspension point, and the upper-layer parafoil body, the lower-layer parafoil body and the suspension point are connected through parafoil rope structures. According to the double-layer parafoil, the lower-layer parafoil is mainly used for providing extra lift force and has the effect of sliding cloth; the upper-layer parafoil and the lower-layer parafoil are each composed of a plurality of wing units, and the wing units are connected through fins. The wing unit is provided with an inner cavity, and a front edge notch used for inflating the inner cavity of the parafoil is formed in the front end of the wing unit. The distance between the upper-layer parafoil and the lower-layer parafoil is one time of the chord length of the wing unit, and the shape of the lower-layer parafoil is equal-proportion reduction of the shape of the upper-layer parafoil. The double-layer parafoil can have the lift force of two layers of parafoils, so that the maximum lift force and the maximum lift force coefficient of the parafoil are improved.

    本发明公开了一种双层翼伞,包括上层翼伞和位于上层翼伞下方的悬挂点,其中,上层翼伞和悬挂点之间设有下层翼伞,上层翼伞、下层翼伞和悬挂点之间通过伞绳结构连接。本发明的双层翼伞,下层翼伞的主要作用是提供额外的升力并拥有滑布的作用;上层翼伞和下层翼伞均由若干个翼单元组成,翼单元之间通过肋片连接。翼单元设置有内腔,翼单元前端开设有用于向翼伞内腔充气的前缘切口。上层翼伞和下层翼伞相距1倍翼单元弦长,下层翼伞的形状为上层翼伞的形状的等比例缩小。本发明的双层翼伞可以拥有两层翼伞的升力,从而提高翼伞的最大升力和最大升力系数。


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    Title :

    Double-layer parafoil


    Additional title:

    一种双层翼伞


    Contributors:
    WANG ZHEN (author) / ZHONG WEI (author) / LI XUDONG (author) / WANG TONGGUANG (author) / ZHANG HONGYING (author) / HUANG JISHUI (author)

    Publication date :

    2023-05-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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