Filter apparatus
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United States of America Patent
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Nov 15, 2016
Grant Date -
Aug 24, 2006
app pub date -
Feb 21, 2006
filing date -
Feb 22, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A fluid filtering apparatus and method may include keyed components to ensure that a correct filter element is being installed into a filter base, and to automatically actuate a fluid valve as the filter element is rotated into place on the base. Tool-less replacement of the element is provided. An embodiment of the element may include inner and outer substantially tubular-shaped media packs disposed about an axis, with one end of each of the inner and outer media packs being attached to an end cap of the element in a manner defining a fluid flow space between the inner and outer media packs for receiving a flow of fluid directed in parallel through the inner and outer media packs. A housing of the filter apparatus may include a flow tube configured to fit into the space between the inner and outer media packs.
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