Air induction filter assembly
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United States of America Patent
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Oct 15, 2002
Grant Date -
N/A
app pub date -
Dec 22, 1999
filing date -
Dec 22, 1999
priority date (Note) -
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Abstract
An air induction filter assembly includes a housing and a plurality of filter layers disposed in the housing. One of the filter layers is a carbon impregnated polyurethane foam layer to remove residual hydrocarbon (HC) vapors diffusing through an air inlet to the filter.
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