Fuel filter and method of adding fuel additive to diesel fuel
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United States of America Patent
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May 10, 2011
Grant Date -
Sep 4, 2008
app pub date -
Sep 29, 2007
filing date -
Sep 29, 2006
priority date (Note) -
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Abstract
Disclosed herein is an apparatus and method for adding a lubricating additive to a diesel fuel. In one exemplary embodiment a diesel fuel filter is provided, the diesel fuel filter comprising: a housing having at least one inlet opening and at least one outlet opening configured to define a flow path therethrough; filter media disposed in the flow path; and an additive cartridge configured to disperse a lubricating additive into diesel fuel passing through the filter, wherein the fuel filter comprises an adsorbent comprising an inorganic oxide having a surface acidity characterized by a pKa of less than or equal to −3.
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