Apparatus and method for indirectly determining a temperature at a predetermined location in an internal combustion engine

An apparatus and a process are provided for determining a temperature at a predetermined location in an internal combustion engine. The temperature at a bridge between two exhaust valves of an internal combustion engine can be measured only with great effort during operation. It is proposed to measu...

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Bibliographische Detailangaben
Hauptverfasser:	SASS HEIKO, GREGORY JENS VON, STUTTE THOMAS
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	An apparatus and a process are provided for determining a temperature at a predetermined location in an internal combustion engine. The temperature at a bridge between two exhaust valves of an internal combustion engine can be measured only with great effort during operation. It is proposed to measure a temperature at a location in the internal combustion engine that is easier to access and to determine the bridge temperature with the aid of a computation model on the basis of the engine rpm, the quantity of injected fuel, the temperature of the charge air, and the coolant temperature.