The invention relates to a rotary wing aircraft with a fuselage 2 that comprises an upper primary skin 2c and an aircraft upper deck 6 arranged above the fuselage 2, wherein the aircraft upper deck 6 comprises a firewall arrangement 10 that defines a fire proof separation at least between at least one aircraft engine 11a, 11b and an aircraft interior region, wherein the firewall arrangement 10 comprises at least one funnel-shaped lower firewall 30a, 30b that is arranged between the at least one aircraft engine 11a, 11b and the upper primary skin 2c of the fuselage 2, wherein the at least one funnel-shaped lower firewall 30a, 30b converges from an outer perimeter 31 to at least one inner collecting point 33, and wherein the outer perimeter 31 is spaced apart from the upper primary skin 2c of the fuselage 2.


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    Title :

    A ROTARY WING AIRCRAFT WITH A FIREWALL ARRANGEMENT


    Additional title:

    DREHFLÜGEL-FLUGZEUG MIT EINER BRANDSCHUTZVORRICHTUNG
    AVION À VOILURE TOURNANTE AVEC UN DISPOSITIF DE PARE-FEU


    Contributors:
    FINK AXEL (author) / KEMPF MANUEL (author)

    Publication date :

    2022-05-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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