PROBLEM TO BE SOLVED: To solve problems in which a risk at the collision and the crash extremely increases more than a guarded airframe in an airframe not covered by a propeller guard in a situation where the spread of unmanned multi-rotor type helicopters advances rapidly in late years, a propeller is structured to be mounted on a pipe-shaped tip protruded from an airframe center in a current state, and therefore it is necessary to mount the propeller guard separately from the airframe, resulting in weight increase, structure complication and insufficient strength, etc.SOLUTION: A propeller guard is used as an airframe itself, and thereby structural simplification, weight reduction and safety in the collision and the crash are secured. The propeller guard is made the airframe, and thereby the weight reduction, the structural simplification and the safety are secured.SELECTED DRAWING: Figure 1

    【課題】近年無人マルチローター型ヘリコプターの普及が急速に進んでいる状況の中で、プロペラガードされていない機体において、衝突や墜落時の危険性はガードされているものよりも極端に増大する。現状では機体中心より張り出したパイプ状の先端に、プロペラを取り付ける構造であるので機体と別にプロペラガードを取り付ける必要があり、重量増や構造が複雑化、強度不足等の問題を解決可能にする。【解決手段】プロペラガードを機体そのものとして使用する事により、構造の簡素化、軽量化と衝突や墜落時の安全性を確保する。プロペラガードを機体化する事により軽量化、構造の簡素化、安全性を確保する。【選択図】図1


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    Title :

    PROPELLER GUARD FOR UNMANNED MULTI-ROTOR TYPE HELICOPTER AIRFRAME


    Additional title:

    無人マルチローター型ヘリコプター機体のプロペラガード化


    Contributors:
    KIKUCHI ISAO (author) / TODA YUKIAKI (author)

    Publication date :

    2016-10-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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