An auxiliary power unit for an aircraft includes a turbine engine. An inlet includes an opening and a passageway between the opening and the turbine engine. An acoustic splitter is supported within the passageway for attenuating noise within the inlet. An inlet door is movable between a closed position and a fully open position. A portion of the inlet door aligns with a part of the passageway in at least a first position and divides the passageway to deflect ice and noise in at least a second position. An air inlet and a method are also disclosed.


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    Titel :

    Acoustic controlled ice deflecting auxiliary power unit inlet system


    Beteiligte:
    BELL MELISSA A (Autor:in) / ROLLINS MICHAEL J (Autor:in) / HAGSHENAS BEHZAD (Autor:in) / VITALE JACK V (Autor:in)

    Erscheinungsdatum :

    2019-04-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F02C Gasturbinenanlagen , GAS-TURBINE PLANTS



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