Engine coolant temperature estimation system
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United States of America Patent
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Apr 12, 2011
Grant Date -
Mar 11, 2010
app pub date -
Oct 2, 2008
filing date -
Sep 11, 2008
priority date (Note) -
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Abstract
An engine coolant temperature estimation system comprises a coolant temperature estimation module and a coolant monitoring module. The coolant estimation module estimates an engine coolant temperature based on at least one of a mass air flow, a vehicle speed, and an ambient temperature. The coolant monitoring module selectively operates an engine based on the estimated engine coolant temperature.
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