Fuel cap and vaporized fuel adsorption canister used in the fuel cap
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United States of America Patent
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Oct 18, 2011
Grant Date -
May 15, 2008
app pub date -
Nov 14, 2007
filing date -
Nov 14, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
The fuel cap includes an outer cap as an outer envelope, an inner cap removably fitted in the outer cap through an opening therein, a canister located in a space between the outer cap and the inner cap for adsorbing a vaporized fuel. The fuel cap closes a fuel filler port for feeding a fuel to a fuel tank. The canister adsorbs a vaporized fuel vaporized from the fuel in the fuel tank. At least one of the outer cap and the inner cap defines a communication hole communicating with the space and an exterior. The canister includes a housing; and an adsorbent accommodated therein. The housing defines, on an end surface directed to the inner cap, an inlet for vaporized fuel and on another end surface directed to the outer cap, an outlet for gas.
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