| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve device capable of making it difficult that dusts and the like enter from an exhaust port without using a separate cap.SOLUTION: The valve device 10 comprises: a body 15 housing a float valve movably upward and downward, and having a communication hole opened/closed by the float valve; a cover 50 mounted to an upper part of the body, and fixed to a fuel tank so that at least one part is arranged outside a fuel tank; and a check valve arranged between the body 15 and the cover 50, and adjusting pressure in the fuel tank. An exhaust port 55 communicated with the communication hole and opened outside the fuel tank is formed at a portion of the cover 50 arranged outside of the fuel tank. The exhaust port 55 is formed integrally with the cover 50, and has a structure surrounded by a frame-like wall 57 having at least one opening. |
