To provide an outboard engine which enables efficient cooling of a cooling oil of a motor.SOLUTION: An outboard engine includes: a motor 14 housed in a top cover 11; a vertical shaft 18 which is housed in an extension case and rotationally driven by the motor 14; and a propeller 21 which is provided at a gear case 13 and rotationally driven by the vertical shaft 18. A heat exchange part 40 is provided at a front inner part of the gear case 13. An inflow side oil passage 42 and an outflow side oil passage 46 in which a cooling oil for cooling the motor 14 flows are formed within the heat exchange part 40.SELECTED DRAWING: Figure 4

    【課題】モータの冷却オイルを効率よく冷却することのできる船外機を提供する。【解決手段】トップカバー11に収容されたモータ14と、エクステンションケースに収容されモータ14により回転駆動されるバーティカルシャフト18と、ギアケース13に設けられバーティカルシャフト18により回転駆動されるプロペラ21と、を備え、ギアケース13の前方内部に熱交換部40を設け、熱交換部40の内部に、モータ14を冷却する冷却オイルが流れる流入側オイル流路42および流出側オイル流路46を形成した。【選択図】図4


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    Title :

    OUTBOARD ENGINE


    Additional title:

    船外機


    Contributors:

    Publication date :

    2023-09-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



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