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CORRELATION BASED FUEL TANK LEAK DETECTION

  • US 20150219522A1
  • Filed: 02/04/2014
  • Published: 08/06/2015
  • Est. Priority Date: 02/04/2014
  • Status: Active Grant
First Claim
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1. A method for an engine, comprising:

  • sealing a fuel tank; and

    indicating fuel system degradation based on a comparison of a first correlation coefficient, determined based on a change in fuel tank pressure and a change in fuel tank temperature, to a second correlation coefficient determined based on a change in ambient pressure and a change in ambient temperature.

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