OPENING AND CLOSING APPARATUS OF THRUSTER TUNNEL AND SHIP HAVING THE SAME

摘要

PURPOSE: A thruster tunnel opening and closing device and a ship including the same are provided to have a simple structure as an opening of a thruster tunnel is opened and closed by expanding and contracting flexible opening and closing members. CONSTITUTION: A thruster tunnel opening and closing device comprises multiple opening and closing members(50) and a fluid feeding device(60). The opening and closing members are made of a flexible material, and open and close a part of an opening of a thruster tunnel. The fluid feeding device feeds fluid into the multiple opening and closing members. The multiple opening and closing members are expanded by the fluid fed from the fluid feeding device to close the entire area of the opening.