PUMP DEVICE AND SHIP PROPULSION MACHINE

Abstract: 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.

Inventor(s): Koichi HATA

CPC Classification: B63H20/10 (MARINE PROPULSION OR STEERING (propulsion of air-cushion vehicles ; specially adapted for submarines, other than nuclear propulsion, ; specially adapted for torpedoes ))

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