| 摘要 |
A submarine boat is provided to reduce noise due to pressure difference between sea water and a control chamber by reducing the pressure of the water sea flowing through a line using a water control valve installed in the line. A submarine boat comprises at least one control chamber connected to at least one line. Water control valves(18a,18b,18c,18d,18e,18g,18f) are disposed in the line to reduce the pressure of sea water flowing into the control chamber through the line. A controlling function of the water control valve is adjusted corresponding to an internal pressure of the control chamber or the pressure of sea water surrounding the submarine boat. The controlling function is adjusted by a controller. |
