High capacity hybrid multi-layer automotive air filter
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United States of America Patent
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-
Nov 2, 2004
Grant Date -
May 6, 2004
app pub date -
Nov 1, 2002
filing date -
Nov 1, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An automotive air filter including natural fiber filter media region, having piteous, absorbent, wickable natural fibers, a synthetic fiber filter media region including, absorbent spunbond polyester filters. The natural fiber region receives an influent fluid stream containing particles, trapping some particles. The manufactured fiber region removes residual particles, producing a filtered effluent stream. The fluid stream passes unimpaired through the fiber pores. Two structural mesh layers sandwich natural and manufactured fiber regions. Oil is disposed in the oleophilic cotton mesh. Fiber regions have layers disposed in gradient density arrangement.
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