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Computer method and apparatus for aircraft mixture leaning

  • US 7,039,518 B2
  • Filed: 04/14/2004
  • Issued: 05/02/2006
  • Est. Priority Date: 04/16/2003
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method for optimizing fuel flow while operating an engine comprising the steps of:

  • upon receiving a request for optimizing fuel flow, monitoring an increase in exhaust gas temperature in a plurality of cylinders in the engine as fuel flow is decreased;

    upon detecting a first peak temperature in a first cylinder, identifying the first cylinder on a display, the display showing a graphical representation of measured exhaust gas temperature for each cylinder in the engine;

    monitoring the exhaust gas temperature to detect subsequent peak temperatures, the exhaust gas temperatures being monitored dependent on fuel flow after the first cylinder has been identified; and

    providing an operator with a lean state indication for optimizing fuel flow while the engine is actively providing motorized transportation, the lean state indication being provided to the operator via the display.

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