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Cartridge filter system

  • US 7,138,054 B2
  • Filed: 05/05/2004
  • Issued: 11/21/2006
  • Est. Priority Date: 05/05/2004
  • Status: Active Grant
First Claim
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1. A cartridge filter, comprising:

  • at least one filter media having a bottom surface and a top surface generally opposite the bottom surface;

    an outlet tube extending from the bottom surface into the filter toward the top surface; and

    at least one seal positioned in the outlet tube in closer proximity to the top surface than to the bottom surface for sealing the outlet tube to a standpipe of a fluid filter tank wherein the standpipe is coupled to the outlet tube by the at least one seal; and

    a fluid collection tube that is located between the top surface and the seal for collecting fluids having passed through the at least one filter media,wherein the fluid collection tube includes at least one aperture for receiving fluids having passed through the at least one filter media, and wherein the at least one aperture has a cross-sectional area that is greater than a cross-sectional area of a diameter of the standpipe.

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