A ducted propeller of an aircraft is provided with: a rotor-side propeller; a duct body (19) on the stator side, which surrounds the propeller radially outside and defines a flow channel (22) for the air flowing through the propeller, the duct body (19) having an inner wall (23) facing the propeller, which inner wall is at least partially perforated, the duct body (19) having an outer wall (24) facing away from the propeller (18), which outer wall (24) is at least partially perforated. Wherein cavities (33) are formed between an inner wall (23) and an outer wall (24) of the duct body (19), which cavities are coupled via the perforated inner wall (23) to a flow channel (22) for air flowing through the propeller (18) in order to form a sound-attenuating resonator, and wherein the cavities (33) are filled with activated carbon in a region facing away from the inner wall (23) and thus facing the outer wall (34).

    一种飞行器的涵道螺旋桨,该涵道螺旋桨具有:转子侧的螺旋桨;定子侧的涵道体(19),该涵道体在径向外部包围该螺旋桨并且限定用于流经该螺旋桨的空气的流动通道(22),其中该涵道体(19)具有朝向该螺旋桨的内壁(23),该内壁至少部分地被穿孔,其中该涵道体(19)具有背离该螺旋桨(18)的外壁(24),其中在该涵道体(19)的内壁(23)与外壁(24)之间形成有空腔(33),这些空腔经由被穿孔的内壁(23)与用于流经该螺旋桨(18)的空气的流动通道(22)相联接从而形成消声的共鸣器,并且其中这些空腔(33)在背离该内壁(23)且因此朝向该外壁(34)的区域中被活性炭填充。


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    Title :

    Ducted propeller of aircraft, aircraft and component of aircraft


    Additional title:

    飞行器的涵道螺旋桨、飞行器及飞行器的构件


    Contributors:

    Publication date :

    2022-06-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES




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