METHOD AND SYSTEM FOR FEEDBACK CONTROLLING/CONTROLLING A TOTAL AIR FUEL RATIO OF A REFORMER
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United States of America Patent
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Issued Date -
Oct 22, 2009
app pub date -
Aug 3, 2007
filing date -
Sep 15, 2006
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for closed/open loop control of a total lambda value of a reformer (10) comprising at least a combustion zone (12) and an evaporation zone (14) connected to the combustion zone (12). In accordance with the invention for closed/open loop control of the total lambda value, closed loop control of the lambda value of the combustion zone (12) and open loop control of the fuel performance supplied to the evaporation zone (14) is provided. The invention relates furthermore to a system with a reformer (10) comprising at least a combustion zone (12) and an evaporation zone (14) connected to the combustion zone (12) and with a a controller (26) for closed/open loop control of a total lambda value. In accordance with the invention the controller (26) is suitable for closed/open loop control of the total lambda value by closed loop control of the lambda value of the combustion zone (12) and open loop control of the fuel performance supplied to the combustion zone (12) and the evaporation zone (14) each.
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