To provide a cooling structure of a transmission for an outboard engine capable of suppressing weight increasing of the outboard engine.SOLUTION: A cooling structure of a transmission for an outboard engine comprises a cowling 21, a lower part 22, and a current plate 25, where the cowling covers an engine 13 and a transmission 14 provided under the engine 13 to transmit a driving force of the engine 13 to a propeller shaft 15, and also has an opening 21a which opens downward, the lower part is provided with a gap S from the lower end 21b of the cowling 21 under the cowling 21 and houses the propeller shaft 15, and the current plate protrudes toward the transmission 14 from the inside of the cowling 21 and also is arranged so as to surround the transmission 14.SELECTED DRAWING: Figure 2

    【課題】船外機の重量化を抑制できる船外機用トランスミッションの冷却構造を提供する。【解決手段】船外機用トランスミッションの冷却構造は、エンジン13とエンジン13の下側に配置され、エンジン13の駆動力をプロペラシャフト15に伝達するトランスミッション14とを覆うとともに、下方に開口する開口部21aを有するカウリング21と、カウリング21の下側においてカウリング21の下端部21bと隙間Sを空けて設けられ、プロペラシャフト15を収容するロア部22と、カウリング21の内面からトランスミッション14に向けて突出するとともに、トランスミッション14を取り囲むように配置された整流板25とを備える。【選択図】図2


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    Title :

    COOLING STRUCTURE OF TRANSMISSION FOR OUTBOARD ENGINE


    Additional title:

    船外機用トランスミッションの冷却構造


    Contributors:

    Publication date :

    2021-05-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F16H Getriebe , GEARING



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