FUEL-EFFUSION PREVENTION VALVE

摘要

A fuel-effusion prevention valve according to the invention includes a case in which an open portion is formed and which is mounted inside a fuel tank; and a val ve seat which is formed in open portion; and a float which is formed with a valve bo dy positioned to engage the valve seat to close the open portion of the valve seat, and at least one communicating passage that extends from a top surface to a bottom surfac e of the float, and the float moves freely up and down within the case.