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Radial Seal Filter With Open End Pleats

  • US 20080209875A1
  • Filed: 02/28/2008
  • Published: 09/04/2008
  • Est. Priority Date: 02/28/2007
  • Status: Active Grant
First Claim
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1. A filter, comprising:

  • a filter element comprising pleated filter media having a plurality of pleats configured into a closed loop of filter media, the filter element having an outer perimeter defined by a plurality of outer pleat tips and an inner perimeter defined by a plurality of inner pleat tips, the plurality of inner pleat tips defining an inner chamber extending through the filter element;

    a cap disposed on a first end of the filter element, the cap sealing an opening of the inner chamber;

    a first plurality of open end pleats positioned between an outer periphery edge of the cap and the outer perimeter of the filter element, the first plurality of open end pleats defining a first fluid path through the filter media into the inner chamber;

    a sealing ring disposed on a second end of the filter element, the sealing ring providing an inlet opening into the inner chamber, the inlet opening providing fluid communication to the inner chamber; and

    a second plurality of open end pleats positioned between an outer periphery edge of the sealing ring and the outer perimeter of the filter element, the second plurality of open end pleats defining a second fluid path through the filter media into the inner chamber.

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