To provide a seal structure configured separately by a seal to prevent oil spillage and by a seal to prevent the seawater from entering, and to provide a ship propulsion unit with the seal structure.SOLUTION: A seal structure 20 is attached to a driving shaft connected to a ship driving unit. The seal structure comprises a seal unit 21 for the seawater to prevent the seawater from entering, and a seal unit 25 for a lubricating oil placed above the seal unit 21 for the seawater via a prescribed space SP and to prevent an oil spillage from the driving unit. At least the seal unit 25 for the lubrication oil is placed in the ship.SELECTED DRAWING: Figure 3

    【課題】油の流出を防ぐためのシールと海水の浸入を防ぐためのシールとがそれぞれ分離して構成されるシール構造及び当該シール構造を備えた船舶用推進器を提供する。【解決手段】船舶の駆動部に連結される駆動軸に取り付けられるシール装置20であって、海水の浸入を防ぐための海水用シールユニット21と、前記海水用シールユニット21の上方に所定の空間SPを介して配置され、前記駆動部からの油の流出を防ぐための潤滑油用シールユニット25と、を備え、少なくとも前記潤滑油用シールユニット25は、船内に配置される。【選択図】図3


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    Title :

    SEAL STRUCTURE AND SHIP PROPULSION UNIT


    Additional title:

    シール構造及び船舶用推進器


    Contributors:

    Publication date :

    2023-03-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F16J Kolben , PISTONS



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