To provide an outboard engine unit capable of suppressing exhaust gas noise while suppressing the increase in its size and weight.SOLUTION: An outboard engine unit of the present invention comprises a cowling, an engine, a transmission, an exhaust pipe, and a propeller. The exhaust pipe is surrounded by a peripheral wall forming an enclosed space inside. At least part of the peripheral wall is formed so that water invades the enclosed space as the hull is propelled.SELECTED DRAWING: Figure 1

    【課題】大型化及び重量化を抑制しつつ、排気ガスの騒音を抑制可能な船外機ユニットを提供する。【解決手段】本発明の船外機ユニットは、カウリングと、エンジンと、トランスミッションと、排気管と、プロペラとを備えている。排気管は、内部に包囲空間を形成する周壁によって囲まれている。周壁の少なくとも一部は、船体の推進に伴って水が包囲空間内に侵入するように形成されている。【選択図】図1


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    Title :

    OUTBOARD ENGINE UNIT


    Additional title:

    船外機ユニット


    Contributors:

    Publication date :

    2021-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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