An LED PAPI with condensation protection is embodied in an apparatus comprising a plurality of legs; a chassis mounted on the plurality of legs and incorporating a light assembly; the light assembly comprising a first surface at a first end of the light assembly and a second surface at a second end of the light assembly, the light assembly comprising: a light source disposed at the first end of the light assembly, a first convex lens disposed at the second end of the light assembly, a second convex lens disposed inside the light assembly between the first convex lens and the light source, a first seal associated with the first end for blocking entry of moisture into the light assembly from the first end, a second seal associated with the second end for blocking entry of moisture into the light assembly from the second end, a defroster; and a controller operable to receive a first input indicating a temperature of the second surface and a second input indicating ambient air temperature; wherein the controller is in communication with and operates each of the light source and the defroster based on the temperature of the second surface and the ambient air temperature.

    Selon un mode de réalisation donné à titre d'exemple, l'invention porte sur un PAPI à LED (10) doté d'une protection contre la condensation. Cette protection contre la condensation peut être convenablement munie de composants passifs tels que des garnitures et des joints (26, 36) et un déshydratant (48), et/ou de composants actifs tels qu'un dégivreur (39) et/ou un élément chauffant (50).


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    Titel :

    LED PAPI WITH CONDENSATION PROTECTION


    Weitere Titelangaben:

    PAPI A LED DOTE D'UNE PROTECTION CONTRE LA CONDENSATION


    Beteiligte:
    HESCH JOHN JR (Autor:in) / RUFFINI DAVID L (Autor:in) / MORROW GLENN ALAN (Autor:in) / SCHWEDER RICHARD (Autor:in)

    Erscheinungsdatum :

    2017-09-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / F21W Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend den Gebrauch oder Einsatz von Leuchten oder Beleuchtungssystem , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K,  F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS / H05B ELECTRIC HEATING , Elektrische Heizung



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