Patent ID: 6405747
Filing Date: 2002-06-18
Classification: B60K,F16K,Y10T

Abstract:
An apparatus for controlling discharge of fuel vapor from within a vehicle fuel tank, the apparatus comprisinga valve container adapted to be installed in a fuel tank and formed to include an inlet in communication with the fuel tank, an outlet, and a main chamber defined therebetween, a float valve assembly disposed in said main chamber and formed for movement between an open position allowing flow of fuel vapor through the outlet and a closed position preventing flow of at least fuel vapor through the outlet, said float valve assembly controllably providing communication between said inlet and outlet, a primary liquid separation chamber in said main chamber defined between said float valve assembly and said outlet, an auxiliary liquid separation chamber in said main chamber defined between said primary liquid separation chamber and said outlet, said outlet defines a flow path from a second valve to said apparatus and from said apparatus to a vapor control canister, and a baffle retained in said container between said primary liquid separation chamber and said auxiliary liquid separation chamber, said baffle includes at least one aperture therein providing communication between said auxiliary liquid separation chamber and said primary liquid separation chamber.