Patent ID: 6637778
Filing Date: 2003-10-28
Classification: B60K,Y10T

Abstract:
A method of mounting and sealing a vapor vent valve through an access opening in the top of a fuel tank comprising:(a) forming at least one recess in the periphery of a first portion of the valve for extending into said opening; (b) disposing an annular flexible sealing ring on the valve; (c) slidably disposing an annular spring on the valve and axially slidably engaging said at least one recess with certain portions of said spring and said engaging preventing relative rotation therebetween and permitting limited axial movement of the spring on the valve; (d) forming an annular shoulder in the access opening of the tank said forming including forming a slit in the shoulder; and, inserting said first portion of the valve in the access opening and engaging one end of said spring in said slit, and, (e) rotating the valve from the exterior of the tank and feeding said spring through said slit until the spring passes through said slit and is completely within the interior of the tank; and, (f) sealing said access opening with said sealing ring and retaining said valve in said access openings with said spring.