Tangential in-line air filter
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United States of America Patent
Stats
-
Oct 2, 2007
Grant Date -
Apr 21, 2005
app pub date -
Oct 15, 2004
filing date -
Oct 17, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tangential air filter configuration is designed for applications where there is a potential for a pollutant to back flush out. The tangential in-line air filter reduces air resistance and prevents back flow, allowing the air to traverse through a forced air system during operation without resistance, and absorbs particulates and prevents back flow of fuel vapors when the forced air is at a standstill. The filter medium has a plurality of pleats or corrugations with a longitudinal axis parallel to the forced airflow direction. A diffusion barrier is formed when the forced air is at a standstill. Vapors are not passed or forced through the filter medium; rather pollutants are aggressively absorbed during diffusion.
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