Cartridge filter element with housing seal retainer
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United States of America Patent
Stats
-
Jun 3, 2003
Grant Date -
Oct 31, 2002
app pub date -
Apr 30, 2001
filing date -
Apr 30, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cover encloses a filter cartridge in an outer housing. The cover has an unfiltered fluid inlet channel and a concentric filtered fluid outlet channel. The filter cartridge includes a filter media with a central passage. An upper endplate is provided on the upper end of the filter media, and the upper endplate has oblong openings defined therein. A separate seal retainer is attached to the upper endplate. The retainer has an outer body portion and a concentric inner body portion extending from the outer body portion. The outer body portion has a lower outwardly opening channel, and the inner body portion has an upper outwardly opening channel. An outer seal is provided in the lower channel to seal the filter cartridge with the housing. An inner seal is provided in upper channel to seal the inlet channel from the outlet channel in the cover.
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