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Trap apparatus with tubular filter element

  • US 5,293,742 A
  • Filed: 04/14/1993
  • Issued: 03/15/1994
  • Est. Priority Date: 06/27/1991
  • Status: Expired due to Fees
First Claim
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1. Apparatus for processing exhaust gases from an engine, said apparatus comprising:

  • a housing receiving said exhaust gases at an upstream end and exhausting said exhaust gases from a common space through an outlet downstream;

    a plurality of flow paths for said exhaust gases in a region between said inlet and said common space;

    an arrangement of filter modules operably placed in said flow paths;

    means with said exhaust gases flowing for selectively regenerating at any time at least one and less than all of said filter modules; and

    means for separating said exhaust gases upstream of said filter modules away from said one and less than all of said filter modules being regenerated and maintaining said exhaust gases separation from said one and less than all of said filter modules being regenerated until said exhaust gases flow to said common space.

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