Apparatus and method for controlling idle rotation speed of an internal combustion engine
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United States of America Patent
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-
Aug 14, 2001
Grant Date -
N/A
app pub date -
Mar 17, 2000
filing date -
Mar 19, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
When canister purge is started during feedback control of idle rotation speed, a feedback control value for immediately prior to starting purge is stored, and when purge is stopped, the feedback operating amount is changed stepwise up to the stored value.
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