| 摘要 |
Disclosed is a fuel tank system wherein detention of fuel between check valves in a fuel supply path can be suppressed. Specifically disclosed is a fuel tank system comprising a fuel supply path for supplying a fuel through a filling port into a fuel tank, wherein at least two check valves are arranged in the fuel supply path in series and the valve opening pressure of a check valve arranged on the fuel tank side is set lower than that of another check valve arranged on the filling port side. |
