| 摘要 |
Provided is a valve device including a float and a case housing the same, the valve device constituting a part of a ventilation flow passageway of a fuel tank. The case has a partition wall dividing the inside of the case into an upper chamber and a storage chamber for the float. The partition wall is provided with an opening opened and closed by the float, and a rising portion enclosing the opening in the upper chamber. The rising portion includes a divided portion for downward flow of liquid, and an upper surface of the partition wall outside the rising portion is inclined with the divided portion side located down the slope. |
