Evaporative emissions filter
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United States of America Patent
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Mar 18, 2008
Grant Date -
Jul 7, 2005
app pub date -
Nov 1, 2004
filing date -
Mar 19, 2003
priority date (Note) -
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Abstract
An evaporative emissions filter for an engine air induction system. The evaporative emissions filter includes a hydrocarbon vapor-adsorbent member disposed within the air induction system outside the direct air flow path. A mechanism is provided for mounting the evaporative emissions filter within the air induction system. Hydrocarbon vapors present in the air induction system after engine shut-down are substantially retained in the adsorbent member until air flows through the air induction system after the engine starts.
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