A drain valve (20) for draining liquid from an enclosed space (14) comprises a movable plunger (42), which is movable between a closed position in which the plunger (42) does not allow liquid to flow through the drain valve (20), and at least one open position, in which the plunger (42) allows liquid to flow through the drain valve (20); and an elastic element (40; 54), which is configured to urge the movable plunger (42) into its closed position. The plunger (42) is provided with at least one duct (44) extending through the plunger (42) and allowing fluid to flow through the drain valve (20) when the plunger (42) is positioned in its closed position, wherein said at least one duct (44) is closed by a semi-permeable medium (48), which is permeable for air and water vapor and impermeable for liquid water.


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    Titel :

    DRAIN VALVE, EXTERIOR AIRCRAFT LIGHT UNIT AND POWER SUPPLY BOX


    Weitere Titelangaben:

    ABLAUFVENTIL, ÄUSSERE FLUGZEUGLICHTEINHEIT UND STROMVERSORGUNGSGEHÄUSE
    SOUPAPE DE VIDANGE, UNITÉ D'ÉCLAIRAGE D'AÉRONEF EXTÉRIEURE ET BOÎTIER D'ALIMENTATION


    Beteiligte:

    Erscheinungsdatum :

    2021-01-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F16K VALVES , Ventile / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen



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