FUEL VAPOR PROCESSING APPARATUS
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United States of America Patent
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Issued Date -
Nov 19, 2015
app pub date -
May 8, 2015
filing date -
May 13, 2014
priority date (Note) -
Abandoned
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Abstract
A fuel vapor processing apparatus may include a vapor passage connecting a canister and a fuel tank of an engine system. An opening and closing valve may be disposed in the vapor passage. A valve opening device may be coupled to the opening and closing valve and may forcibly open the valve when the internal pressure of the fuel tank detected by a pressure has reached to a set pressure value.
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