To provide an intake manifold that can secure mechanical strength by preventing generation of such as sink when a boss part and a reinforcement rib are molded integrally, especially, includes a boss part that can firmly fix a nut by outsert, and to provide an outboard engine including the same.SOLUTION: An intake manifold M applied to an engine 2 includes: a surge tank 100 molded with a die to temporarily accumulate intake air; and a plurality of branch pipes 211, 212, 213, 311, 312, 313 communicating with the surge tank. The surge tank 100 includes: a cylindrical boss part 111 molded integrally with the outside wall 110 thereof; and a boss reinforcement rib 114 extending in a direction toward the center S of the boss part and connected to the boss part.SELECTED DRAWING: Figure 9

    【課題】ボス部と補強リブを一体的に型成形する際に、ヒケ等の発生を防止して、機械的強度を確保でき、特に、アウトサートによりナットを堅固に固定できるボス部を備えた吸気マニホールド及びそれを備えた船外機を提供する。【解決手段】エンジン2に適用される吸気マニホールドMであって、吸気を一時的に貯留するべく型成形されたサージタンク100と、サージタンクに連通する複数の分岐管211,212,213,311,312,313を備え、サージタンク100は、その外壁110において一体成形された、円筒状のボス部111及びボス部の中心Sに向かう方向に延びてボス部に接続されたボス補強リブ114を含む。【選択図】図9


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    Title :

    INTAKE MANIFOLD AND OUTBOARD ENGINE


    Additional title:

    吸気マニホールド及び船外機


    Contributors:

    Publication date :

    2024-10-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



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