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.
PUMP DEVICE AND SHIP PROPULSION MACHINE
2025-07-17
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |