Method of monitoring an engine coolant system of a vehicle

A method of monitoring an engine coolant system includes modeling the total energy stored within an engine coolant. If an actual temperature of the engine coolant is below a minimum target temperature, the modeled total energy stored within the energy coolant is compared to a maximum stored energy l...

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Bibliographische Detailangaben
Hauptverfasser:	BIALAS DANIEL A, SIEBERT DANIEL, BRUNO MORENA, SIEKKINEN JOHN W, ANILOVICH IGOR
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGUE COMPUTERS BLASTING CALCULATING COMBUSTION ENGINES COMPUTING CONTROLLING COMBUSTION ENGINES COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL COUNTING ELECTRIC DIGITAL DATA PROCESSING ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PHYSICS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A method of monitoring an engine coolant system includes modeling the total energy stored within an engine coolant. If an actual temperature of the engine coolant is below a minimum target temperature, the modeled total energy stored within the energy coolant is compared to a maximum stored energy limit to determine if sufficient energy exists within the engine coolant to heat the engine coolant to a temperature equal to or greater than the minimum target temperature. The engine coolant system fails the diagnostic check when the modeled total energy stored within the energy coolant is greater than the maximum stored energy limit, and the minimum target temperature has not been reached.