Patent ID: 6371152
Filing Date: 2002-04-16
Classification: B60K,F16K,Y10T

Abstract:
A vent valve assembly for controlling fuel vapor vent flow in a fuel tank comprising:(a) a housing having a vapor vent passage therethrough adapted for communicating with a vent port in the fuel tank; (b) said housing including a float moveable with respect thereto for responding to the liquid fuel level in the tank and a relatively thin flexible valve member associated with said float and operable to close said vapor vent passage when said float rises to a position representative of a certain level of fuel in said tank, and said flexible valve member is operative to reopen said passage in a peel-away action when said float drops below said certain level; and, (c) said flexible valve member comprising a bowed strip having a generally hooked portion operative for closing said vapor vent passage, wherein said flexible valve member comprises an elongated strip having a first and second opposite end thereof anchored to said float in spaced relationship with one of said opposite ends disposed for limited movement in the direction of elongation.