Collapsible extended surface filter and air cleaner system using collapsible extended surface filter
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United States of America Patent
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Apr 17, 2012
Grant Date -
N/A
app pub date -
Dec 31, 2008
filing date -
Dec 31, 2007
priority date (Note) -
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Abstract
An air cleaner comprises an enclosing structure having support members spaced a distance from top and bottom walls. A collapsible extended surface pleated media filter has end members and a pleated mechanical media filter. The end members have an outer surface and a thickness that is based on the distance that the support surfaces are spaced from the top and bottom walls to provide an effective seal against air flowing around the collapsible filter. The end members can have a seal structure provided on the outer surface that interacts with the top or bottom wall. The collapsible filter optionally includes flexible support member(s) on or in the pleated mechanical media filter that assist in keeping the pleats open. The pleated mechanical media filter can extend beyond the end member(s) and interact with portions of the frame to provide an effective seal against air flowing around the collapsible filter.
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