Fuel system venting configuration

摘要

A number of variations may include a fuel tank, a first vapor line having a first open end, a second vapor line having a second open end, a valve including a check valve, a vent outlet, and wherein the first vapor line and second vapor line may be in fluid communication with the valve and the vent outlet and may be constructed and arranged to allow fluid to flow from the valve, through the first or second vapor line, or the first or second open end, or the vent outlet.

主权项

1. A product comprising:
a fuel tank; a first vapor line having a first open end; a second vapor line having a second open end; a vent outlet; and wherein the first vapor line and second vapor line are in fluid communication with not more than one valve and the vent outlet and are constructed and arranged to allow fluid to flow from the valve, through the first or second vapor line, or the first or second open end, or the vent outlet and wherein the first vapor line and the second vapor line are constructed and arranged to form a vapor line loop wherein the first vapor line forms a first vapor line path and the second vapor line forms a second vapor line path, the second vapor line path crossing over the first vapor line path or vice versa.