AUTOMOTIVE FUEL CAPLESS PLASTIC MOLDED COMPONENT INCORPORATING GRAPHENE
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United States of America Patent
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Issued Date -
Nov 16, 2023
app pub date -
May 4, 2023
filing date -
May 4, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A capless fuel unit having an elongated housing open at each end and defining a first and a second longitudinally spaced fluid ports. First and second door assemblies each include a flapper valve associated with a first fluid port and a second flapper valve with a second fluid port, the flapper valves being movable between open and closed positions and resiliently urged toward their respective closed positions. A pressure relief valve is at least partially contained within an interior of the flapper valves. The various plastic components of the capless unit incorporate Graphene or a Graphene-derivative for resisting hydrocarbon emission from fuel vapors escaping from the unit to the atmosphere.
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