Patent ID: 8689816

Claim:
A vent valve assembly comprising: a first housing component; a second housing component; a third housing component; a first valve; a second valve; wherein the first, second, and third housing components are configured to assemble together along one axis with the second housing component, the first valve and the second valve between the first and third housing components and with the second valve laterally-spaced from the first valve; wherein the assembled first, second, and third housing components define a nonlinear vapor flow path that redirects vapor from the first valve to the second valve; wherein the second housing component defines a first opening that functions as a vapor vent of the first valve; wherein the second housing component defines a second opening that functions as a vapor vent of the second valve; wherein the second opening is displaced from the first opening along the axis such that vapor flow along the vapor flow path is in one direction along the axis through the first opening, and in an opposing direction along the axis from the first opening to the second opening; wherein the first valve is configured to block the first opening in the second housing component when the first valve is lifted by a predetermined amount; and wherein the second valve is configured to prevent vapor that has passed through the first opening from passing through the second opening in the second housing component when pressure of the vapor is below a predetermined pressure.