BOSS CAP AND SHIP HAVING THE SAME

摘要

PURPOSE: A boss cap and a ship therewith are provided to reduce vibration and noise and disperse the concentration of hub vortex generated during the rotation of a propeller. CONSTITUTION: A boss cap comprises a cap body(72), a bearing(73), and a fin blade(74). A hole(76) is formed at the center of the cap body. The cap body comprises a coupling member. The coupling member is inserted into the hole and is coupled with the end of the boss. The cap body is coupled with the boss to be rotatable by the coupling member. The bearing is installed between the cap body and the boss. The fin blade is installed on the outer surface of the cap body.