LIQUID FILTER ASSEMBLY
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United States of America Patent
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Issued Date -
Sep 26, 2013
app pub date -
Apr 11, 2011
filing date -
Apr 9, 2010
priority date (Note) -
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Abstract
A fluid filter element for use in fuel filtration systems is disclosed. The filter element comprises, in an example embodiment, top and bottom end caps; filter media extending between the end caps and forming a central volume between the end caps; and an inner liner disposed in the central volume of the filter media between the end caps. A fluid passage is positioned in the inner liner extending between the end caps, the fluid passage being separate and independent of the flow through the filter media. A first seal is affixed to the bottom end cap; and a second seal with a central opening is affixed to the lower end of the inner liner. The inner lining may provide partial axial support to the filter media. An outer lining may also be included and provide partial axial support to the filter media.
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