A first or second shaft of a pump device is provided with a first axial hole opening from one end to an inner periphery of a second or first pump portion along an axial direction and a radial hole penetrating the first or second shaft from the first axial hole in a radial direction. The first pump portion includes a first drive gear and a second driven gear. The second pump portion includes a first driven gear and a second drive gear. A switching mechanism of the pump device includes a switching operation portion provided in the first axial hole so as to be movable along the axial direction, and a switching member body configured to appear and disappear from the radial hole as the switching operation portion is displaced.


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    Titel :

    PUMP DEVICE AND SHIP PROPULSION MACHINE


    Beteiligte:
    HATA KOICHI (Autor:in)

    Erscheinungsdatum :

    17.07.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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