| 摘要 |
PROBLEM TO BE SOLVED: To reduce cost of cleaning a ship's bottom and hull by realizing partial automation of working processes with the introduction of an underwater robot. SOLUTION: An underwater cleaning device includes wheels, which makes a device body moveable and functions as a floating material, and a thruster-cum-brush, in which a cylindrical cover and a propeller made to work as the thruster and a cleaning brush are coaxially arranged. In the thruster-cum-brush, reduction gears are separately provided for the propeller and the cleaning brush. It is made possible to set the revolution number of each gear individually. COPYRIGHT: (C)2011,JPO&INPIT
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