Patent ID: 6382231
Filing Date: 2002-05-07
Classification: B60K,F16K,Y10T

Abstract:
A fuel cutoff valve mountable on an upper tank wall of a fuel tank, the fuel cutoff valve comprising:a cover made of a first resin material that is thermally weldable to the upper tank wall, the cover including a welding end thermally weldable to the upper tank wall; a casing made of a second resin material different from the first resin material, the casing including an upper portion and a valve chest that is able to communicate with the fuel tank and at least a portion of a fuel conduit forming a passage from the fuel tank to the outside of the fuel cutoff valve, a valve body accommodated in the valve chest to open and close the fuel conduit according to a level of a liquid fuel in the fuel tank, wherein the upper portion of the casing has a plurality of sealing ribs and a stopper formation, the sealing ribs projecting substantially vertically towards the cover, the stopper formation forming a substantially horizontal step that extends at substantially right angles to the sealing ribs, and the cover is unified with the upper portion of the casing by overmolding to embed the sealing ribs and the stopper formation in the cover.