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Method and apparatus for shutting down a fuel-fired burner of an emission abatement assembly

  • US 20050153252A1
  • Filed: 08/31/2004
  • Published: 07/14/2005
  • Est. Priority Date: 01/13/2004
  • Status: Active Grant
First Claim
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1. A method of operating a fuel-fired burner of an emission abatement assembly, the method comprising the steps of:

  • supplying a first flow rate of fuel to the fuel-fired burner during regeneration of a particulate filter, detecting a burner shutdown request, supplying a second flow rate of fuel to the fuel-fired burner for a predetermined period of time in response to detection of the shutdown request, the second flow rate of fuel being less than the first flow rate of fuel, and ceasing to supply fuel to the fuel-fired burner after the predetermined period of time has elapsed.

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