Method of controlling the ignition in an internal combustion engine and engine with means for carrying out the method
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United States of America Patent
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Aug 27, 2002
Grant Date -
N/A
app pub date -
Feb 26, 2001
filing date -
Jun 18, 1998
priority date (Note) -
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Abstract
A method of adapting the ignition timing in an internal combustion engine to the crankshaft position depending on variations in engine rpm, load and overlap between the inlet and exhaust valves. The ratio between combusted and non-combusted gas in cylinders is computed, and this ratio is utilized, in such a way that the greater the proportion of combusted gas there is, the earlier the ignition will be initiated. The invention also relates to an engine with a control unit and means for computing said ratio and controlling the ignition timing.
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