Patent Number: 6,612,324

Title: Fill limit vapor valve with variable vapor venting capability

Abstract: A fill limit vapor valve assembly includes a housing, a float disposed in the housing, and a bypass valve. The bypass valve includes a vertical passage enveloping a weighted metering rod. The includes a substantially cylindrical upper portion, a substantially cylindrical bottom portion, and a seat portion that rests on a shoulder of the float. As the float raises and lowers, the substantially cylindrical upper portion varies the size of a second opening to control the flow rate of fuel vapor from the fuel tank to an emission device.

Inventors: Szlaga; Emil (Sterling Heights, MI)

Assignee: Saturn Electronics & Engineering, Inc.

International Classification: B60K 15/035 (20060101); B60K 15/03 (20060101); F16K 024/04 ()

Expiration Date: 09/02/2020