To provide a transmission device for an unmanned aircraft in which an arm for driving a propeller can be arranged so as not to interfere with an air cleaner and a radiator.SOLUTION: A transmission device for an unmanned aircraft, in which first to fourth arms are arranged at an airframe upper part and a propeller is driven by an in-line 4-cylinder engine, comprises: a drive gear attached to a crankshaft; a driven gear of a clutch shaft engaged with the drive gear; a bevel gear for driving the drive shaft orthogonal to the clutch shaft; a base gear of the drive shaft driven by the bevel gear; an apex gear train comprising a main gear of the drive shaft, a left sub gear engaging with the main gear, a reversing gear engaging with the main gear, and a right sub gear engaging with the reversing gear; first and second bevel gears engaging with the left sub gear, and driving the first and second arms; and third and fourth bevel gears engaging with the right sub gear, and driving the third and fourth arms.SELECTED DRAWING: Figure 4

    【課題】プロペラを駆動するアームが、エアクリーナやラジエタと干渉しないように配置できる無人航空機の伝動装置を提供する。【解決手段】機体上部に第1乃至第4アームが配置され、プロペラが直列4気筒エンジンで駆動される無人航空機の伝動装置であって、クランク軸に取り付けられるドライブギアと、ドライブギアと螺合するクラッチ軸のドリブンギアと、クラッチ軸に直交するドライブ軸を駆動するベベルギアと、ベベルギアで駆動されるドライブ軸のベースギアと、ドライブ軸のメインギアとメインギアと螺合する左サブギアとメインギアと螺合する反転ギアと反転ギアに螺合する右サブギアとからなる頂部ギア列と、左サブギアに螺合し、第1、2アームを駆動する第1、第2ベベルギアと、右サブギアに螺合し、第3、4アームを駆動する第3、第4ベベルギアと、が備えられる。【選択図】図4


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    Title :

    TRANSMISSION DEVICE FOR UNMANNED AIRCRAFT


    Additional title:

    無人航空機の伝動装置


    Contributors:
    ARASE KUNIO (author)

    Publication date :

    2024-04-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B64C AEROPLANES , Flugzeuge




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