Fuel tank valve structure controlling emission gas in hybrid vehicle
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United States of America Patent
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Nov 12, 2013
Grant Date -
Mar 29, 2012
app pub date -
Nov 18, 2010
filing date -
Sep 29, 2010
priority date (Note) -
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Abstract
A fuel tank valve structure controlling emission gas in a hybrid vehicle may include a housing having one side connected with a fuel tank and the other side connected to a canister, a check valve mounted to the housing and opening or closing a first fluid passage connected between the canister and the fuel tank, a solenoid valve apparatus selectively connected with the check valve to open or close the first fluid passage to adjust an internal pressure of the fuel tank, a fuel limit vent valve apparatus mounted to the housing and selectively fluid-connecting to a space formed between the check valve and the fuel limit vent valve apparatus in the housing, and a relief valve mounted to the housing and selectively fluid-connecting the fuel tank with the canister through a second fluid passage.
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