Engine warm-up offsets
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United States of America Patent
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-
Jun 4, 2002
Grant Date -
N/A
app pub date -
Jan 7, 1999
filing date -
Jul 10, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An internal combustion engine is controlled during a warm-up period as a function of a cumulative measure of energy supplied to the engine. For example, the total amount of fuel delivered to the engine since start-up or an accumulated value of a load level of each combustion event during the warm-up period may be measured. A degree of offset or modification of individual engine operating parameters during the warm-up period may be based upon the cumulative measure of energy supplied to the engine.
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