| 摘要 |
A valve assembly for a fuel tank includes a housing. A membrane supported by the housing such that the membrane covers a vapor passage defined by the housing. The membrane allows the passage of vapor through the membrane and prevents the passage of liquid through the membrane. A flow control feature is supported by the housing to assist in controlling flow of a vapor through the membrane and the vapor passage. The flow control feature assists in controlling flow by one of shielding liquid from the membrane and providing variable flow through the vapor passage.
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