Patent ID: 6659120
Filing Date: 2003-12-09
Classification: F02M,F16K,Y10T

Abstract:
A vent control system comprising:an enclosed chamber having a vapor outlet; a closed biased vent valve that selectively opens and closes the vapor outlet; a float having an upwardly extending float arm movable vertically within the enclosed chamber to open the closed biased vent valve, the float arm having a pair of ends wherein only one end is connected to the float; a lever arm connected to the closed biased vent valve and having a pair of ends wherein only one end is connected to the closed biased vent valve, wherein the other end of the upwardly extending float arm and the other end of the lever arm are coupled to one another when the float is located beneath a designated level in the enclosed chamber and decouple from one another when the float rises above the designated level; and a housing defining the enclosed chamber.