A power-free passive stabilizing device and system working at interface of
different media includes a hollow chamber body, a limiting structure and a valve
cover. The hollow chamber body has a first end, a second end, a first opening at
the first end, and a second opening at the second end. The limiting structure
connected to the first end of the hollow chamber body. The valve cover is
limited by the limiting structure and movably disposed on the first end of the
hollow chamber body to close and open the first opening. A stabilizing system
using the stabilizing device is also disclosed. |