| 摘要 |
<p>A vent valve assembly (10) at least partially disposed within an interior of a fuel tank (12) is provided. The vent valve assembly (10) comprises a housing (20), a first venting orifice (26), a float (24) configured to close the first venting orifice (26) when the level of fuel in the housing (20) reaches a predetermined level, a second venting orifice (28), and a stop (36) configured to close the second venting orifice (28) to facilitate a pressure differential between the housing (20) and the fuel tank (12).</p> |
