Idling speed control system and method
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United States of America Patent
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Aug 1, 2006
Grant Date -
Aug 18, 2005
app pub date -
Feb 4, 2005
filing date -
Feb 17, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An controller detects a change in a load generation state of an accessory device that generates a load on the internal combustion engine during operation, and the controller in turn controls a variable valve mechanism to change at least one of an operation angle and a valve lift of an intake valve of the internal combustion engine, as well as changing an amount of an intake air drawn into the internal combustion engine, in response to the detected change in the load generation state of the accessory device.
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