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Engine misfire detection probe

  • US 8,166,805 B1
  • Filed: 10/02/2009
  • Issued: 05/01/2012
  • Est. Priority Date: 07/17/2007
  • Status: Active Grant
First Claim
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1. An engine misfire detection probe comprising:

  • (a) a first Venturi tube having a first end and a second end, at least a portion of said first Venturi tube seated on a base along the length of said first Venturi tube, said base comprising a sensing chamber, said base adapted to be removably affixed to an exhaust pipe of an engine such that at least said first end of said first Venturi tube is placed in the exhaust stream of said exhaust pipe;

    (b) a sensing tube, at least a portion of said sensing tube located within said first Venturi tube, said sensing tube adapted to be coupled to an exhaust sensor.

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