An electric ducted fan for an aircraft is shown. A nacelle defines a duct that houses a propulsive fan having a fan diameter DF. An electric machine is configured to drive the fan, and has an electromagnetically active length LAand an electromagnetically active diameter DAdefining an aspect ratio (LA/DA) of from 0.8 to 2. A speed reduction device is located between the electric machine and the fan, and has a reduction ratio of at least 3:1. A ratio of the electromagnetically active diameter DAto the fan diameter DF(DA/DF) is from 0.3 to 0.5.


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    Title :

    ELECTRIC DUCTED FAN


    Additional title:

    UMMANTELTER ELEKTRISCHER LÜFTER
    SOUFFLANTE ÉLECTRIQUE À CONDUIT


    Contributors:

    Publication date :

    2022-06-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F02K JET-PROPULSION PLANTS , Strahltriebwerke / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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