Filter cartridge with back structure defining a weir
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United States of America Patent
Stats
-
Apr 8, 1997
Grant Date -
N/A
app pub date -
May 24, 1994
filing date -
May 24, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A filter cartridge for use with liquids or gases which includes a back structure having a plurality of pockets formed in it and filtration granules contained within the channels. Each of the pockets includes a plurality of holes to enable water to pass through the back structure. A filter element is secured to the front of the back structure to cover the pockets. Positioned between the pockets are protruding shelves which engage the filter element. The provision of the pockets and shelves enables a uniform distribution of filtration granules to be maintained throughout the filter cartridge.
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