Process for checking a burner system for heating a catalytic converter
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United States of America Patent
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-
Jun 3, 1997
Grant Date -
N/A
app pub date -
May 30, 1996
filing date -
Sep 30, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In order to diagnose a burner air ratio, a fuel/air mixture of an internal combustion engine is either enriched or diluted during operation of the burner as a function of an instantaneous state of the mixture. Resulting signal levels of lambda probes disposed upstream and downstream of the catalytic converter are evaluated.
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