| 摘要 |
A bilge prevention device for a ship is provided to prevent the formation of bilge by cutting off the inflow of seawater to the inside of an engine room perfectly, and to use without damage for long hours by cooling down the friction surface using seawater or a fluid. A bilge prevention device(1) for a ship comprises a cover(7) housing a fluid inward, a rotating portion(3) penetrated with a shaft axis(91) inward, coupled to the shaft axis to rotate together with the shaft axis and including a first coupler(31), a first sealing portion(4) inserted between one side of the first coupler and the other side of the cover at the inner side of the cover, and a seal(6) inserted between the rotating portion and the contact surface of the shaft axis. |
