| 摘要 |
PROBLEM TO BE SOLVED: To prevent spraying of water to a fuel injection valve by injecting fuel supplied in a cylinder of an internal combustion engine, eliminate useless consumption of power in this fuel injection valve, and prevent generation of rust. SOLUTION: In an engine room 9 in a ship body 3, an internal combustion engine 13 is stored, this internal combustion engine 13 is provided with a crankcase 37 supported to a hull 4, cylinder 40 protruded toward upward from this crankcase 37, and a fuel injection valve 56 injecting fuel supplied in this cylinder 40. A suction duct 62 is provided, which makes an outer part of the ship body 3 communicate with in the engine room 9. In a cylinder head 40c of the cylinder 40, the fuel injection valve 56 is mounted. A downstream end 67 of the suction duct 62 opened in the engine room 9 is positioned in a lower side from the fuel injection valve 56. |
