Fuel supply system
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United States of America Patent
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Sep 17, 2013
Grant Date -
Aug 18, 2011
app pub date -
Feb 15, 2011
filing date -
Feb 15, 2010
priority date (Note) -
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Abstract
A sub-injector injects liquid fuel into a vaporized-fuel chamber of a vaporized-fuel tank. The injected liquid fuel is vaporized in the vaporized-fuel chamber. The generated vaporized fuel is supplied to a combustion chamber through a vaporized-fuel passage. A supply of the vaporized fuel to the combustion chamber is controlled by a purge valve. Thereby, the vaporized fuel can be precisely supplied to the engine at a start of engine, so that emission can be reduced.
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