Method and apparatus for operating an engine
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United States of America Patent
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Nov 26, 1991
Grant Date -
N/A
app pub date -
Feb 26, 1990
filing date -
Feb 26, 1990
priority date (Note) -
Expired
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Abstract
An internal combustion engine is provided having a luminosity detector and an arrangement for measuring certain parameters and running conditions of the engine such as air/fuel ratio in response to sensed combustion conditions within the combustion chamber based on particular gain independent parameters of the luminosity signal and selected engine parameters such as speed. The gain independent luminosity parameters can also be used in an engine control loop to ajust the various parameters of the engine like air/fuel ratio so as to obtain the desired luminosity characteristics and to obtain better running of the engine.
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