Fuel tank cap with separated charcoal canister
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United States of America Patent
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Nov 15, 2016
Grant Date -
Aug 25, 2016
app pub date -
Dec 8, 2014
filing date -
Sep 1, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The fuel tank cap with a separated charcoal canister includes a fuel tank cap, a charcoal cap, and a fuel tank outer cap. A filling room is disposed on the charcoal cap, and the upper opening of the filling room is covered by the fuel tank outer cap. The fuel tank cap with a slot is disposed under of the charcoal cap. The fuel tank can be connected in detachable way with either the charcoal cap or fuel tank outer cap. A through orifice is disposed in the center of the fuel tank cap. The through orifice and the filling room filled by fuel-absorption substrate are connected by the first passageway disposed on the charcoal cap. The charcoal canister is a standard product, and it can fit to variable fuel tanks through the variable sized fuel tank cap, thereby both design and manufacturing processes are simplified and costs are saved.
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