To further reliably separate moisture in intake air.SOLUTION: An intake passage structure which supplies air to an engine through an outer cover forming an exterior wall of an outboard engine, an inner cover, a first intake opening of the outer cover, and a second intake opening of the inner cover includes an air introduction chamber in communication with the first intake opening and an air passage introducing air from the air introduction chamber to the second intake opening. The air passage includes a first passage portion above the air introduction chamber and a second passage portion extending downward from the first passage portion. The air introduction chamber is in communication with the first intake opening at the side part thereof as well as in communication with the first passage portion through an opening formed by a partition wall on a top part thereof.SELECTED DRAWING: Figure 5

    【課題】吸気中の水分をより確実に分離すること。【解決手段】船外機の外壁を形成するアウタカバーと、インナカバーと、前記アウタカバーの第一の取入口及び前記インナカバーの第二の取入口を介して前記エンジンに空気が供給される吸気通路構造であり、前記第一の取入口と連通した空気導入室と、前記空気導入室から前記第二の取入口へ空気を導く空気通路とを備え、前記空気通路は、前記空気導入室の上側の第一の通路部分と、前記第一の通路部分から下方へ延びる第二の通路部分と、を含み、前記空気導入室は、その側部において前記第一の取入口と連通し、かつ、その天部において隔壁に形成された開口部を介して前記第一の通路部分と連通している。【選択図】図5


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    Title :

    INTAKE PASSAGE STRUCTURE


    Additional title:

    吸気通路構造


    Contributors:

    Publication date :

    2022-09-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF



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