To improve a workability of an oil change without making it difficult to attach and detach a lower unit.SOLUTION: An oil tube 26, an oil groove 28 and an oil supply/drainage port 29 are installed in a gear case 10 of an outboard engine lower unit 14, where the oil tube extends upward from the front lower part in the gear case 10 and reaches a first connection position P located above the height position H of an anti-ventilation plate 11 at the front part in the gear case 10, the oil groove is connected to the oil tube 26 at the first connection position P, extends rearward from the first connection position P and reaches a second connection position Q located at the rear upper part in the gear case 10, and the oil supply/drainage port opens on the rear upper side of the gear case 10 and communicates with the oil groove 28 at the second connection position Q.SELECTED DRAWING: Figure 4

    【課題】ロアーユニットの付け外しを困難にすることなく、オイル交換の作業性を良くする。【解決手段】船外機のロアーユニット14のギアケース10内には、ギアケース10内の前下部から上方へ伸長し、ギアケース10内の前部においてアンチベンチレーションプレート11の高さ位置Hよりも上側に位置する第1の接続位置Pに達するオイルチューブ26と、第1の接続位置Pにおいてオイルチューブ26と接続され、第1の接続位置Pから後方へ伸長し、ギアケース10内の後上部に位置する第2の接続位置Qに達するオイル溝28と、ギアケース10の後上部の側面に開口し、第2の接続位置Qにおいてオイル溝28と連通するオイル給排口29とが設けられている。【選択図】図4


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    Title :

    OUTBOARD ENGINE


    Additional title:

    船外機


    Contributors:

    Publication date :

    2020-07-09


    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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