Disclosed in a lighter than air vehicle comprising a first envelope (34), a second envelope (36) located inside the first envelope (34), and a tube (40) connecting the first envelope (34) to the second envelope (36). The first envelope (34) and the second envelope (36) are spaced apart so as to define a chamber between the first envelope (34) and the second envelope (36). The chamber is filled with a lighter than air gas (22). A first opening of the tube (40) is located at an external surface of the first envelope (34). A second opening of the tube (40) is located at an internal surface of the second envelope (36), the second opening of the tube (40) being at an opposite end of the tube (40) to the first opening of the tube (40).


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    Title :

    LIGHTER THAN AIR VEHICLE


    Additional title:

    LEICHTER-ALS-LUFT-FAHRZEUG
    VÉHICULE PLUS LÉGER QUE L'AIR


    Publication date :

    2017-01-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64B LIGHTER-THAN-AIR AIRCRAFT , Luftfahrzeuge leichter als Luft



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