Engine operation to estimate and control exhaust catalytic converter temperature
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United States of America Patent
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Apr 12, 1994
Grant Date -
N/A
app pub date -
Oct 31, 1991
filing date -
Oct 31, 1991
priority date (Note) -
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Abstract
A method of operating an internal combustion engine wherein a predicted engine exhaust temperature is used as an input to a microprocessor controlling the engine. Exhaust temperature can be controlled by adjusting engine operation. Exhaust gas recirculation mass flow can be more accurately determined using the predicted engine exhaust temperature.
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