| 摘要 |
PURPOSE: A float for controlling buoyancy is provided to control buoyancy of the frame of a fish cage through the automatic control. CONSTITUTION: A float(100) for controlling buoyancy comprises a float body and a buoyancy adjustment unit. The float body forms a hollow thereinside. The buoyancy adjustment unit is inserted in order to pass through the central area of the float body. The float body is formed in a cylindrical shape. The buoyancy adjustment unit is controlled automatically by a solenoid valve. The buoyancy adjustment unit is a piston valve including a compressed gas hole, a cylinder, a piston rod, and a seawater hole. |
