A vertical take-off and landing (VTOL) aircraft includes at least one electrical propulsion unit (EPU). An EPU of the at least one EPU includes a propeller or a fan and a transverse flux electric motor. The electric motor includes a stator having coils configured to carry current and a rotor arranged to interact with the stator, such that a torque for driving rotation of the propeller or the fan is generated. The rotor is configured to supply a flow of air to the coils, such that heat is removed from the coils. The coils are directly exposed to the flow of air, such that heat is exchanged directly from the coils to the flow of air. Each coil includes an effective cooling surface area directly exposed to the flow of air. An effective cooling surface area is at least 20% of a total surface area of the respective coil.


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    Titel :

    ELECTRICAL MACHINES FOR AIRCRAFT POWER AND PROPULSION SYSTEMS WITH AIR COOLING OF COILS


    Beteiligte:
    CHONG ELLIS F H (Autor:in) / REEH ANDREAS (Autor:in) / BAUER JOHANNES GABRIEL (Autor:in) / RUDENKO ANTON (Autor:in)

    Erscheinungsdatum :

    2024-07-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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