A marine propulsion device includes an engine, a driving shaft coupled to the engine and configured to transmit power, a first cooling water pump configured to be driven by the driving force of the driving shaft and to pump cooling water to cool the engine, a cooling water path configured to supply the cooling water sent by the first cooling water pump to the engine, and a pressurization mechanism arranged in a water passage upstream of a suction port of the first cooling water pump and configured to apply pressure to the cooling water supplied to the suction port of the first cooling water pump.
MARINE PROPULSION DEVICE
2015-12-24
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |