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Filter unit

  • US 6,159,260 A
  • Filed: 11/02/1998
  • Issued: 12/12/2000
  • Est. Priority Date: 10/31/1997
  • Status: Expired due to Term
First Claim
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1. A filter unit comprising:

  • a filter element receptacle formed with a sealing web; and

    a filter element comprising;

    a filter element box formed with a peripheral inside taper;

    a filter pack in said filter box; and

    a filter element cover formed with a peripheral projection shaped and configured to mate with said taper on said filter element box, said filter element cover also being formed with a packing groove shaped and configured to mate with said sealing web in said filter element receptacle, wherein said packing groove is slightly narrower than said sealing web, thereby sealing said filter element to said receptacle.

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