A marine vessel propulsion machine ventilation apparatus includes a first ventilation film (31), a second ventilation film (35), and an air chamber (27). The first ventilation film (31) permits passing of a gas, prevents passing of a liquid, and has one film surface facing the outside. The second ventilation film (35) permits passing of a gas, prevents passing of a liquid, and has one film surface facing the inside of a device accommodation case (19). Another film surface of each of the first ventilation film (31) and the second ventilation film (35) faces the air chamber (27).
Marine vessel propulsion machine ventilation apparatus and marine vessel propulsion machine
2024-10-03
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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