Method and device for determining temperature of pencil glow plug during operation in internal combustion engine

The invention relates to a method for determining the temperature of a pencil glow plug during operation in an internal combustion engine, wherein a temperature-resistance reference correlation (B, F) is determined. In order to reduce the tolerance range of a pencil glow plug, a calibration step is...

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1. Verfasser: KAPPELMANN PETER
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to a method for determining the temperature of a pencil glow plug during operation in an internal combustion engine, wherein a temperature-resistance reference correlation (B, F) is determined. In order to reduce the tolerance range of a pencil glow plug, a calibration step is carried out after installing the pencil glow plug (21, 22, 23, 24) in the internal combustion engine, during which step the temperature-resistance reference correlation (B, F) determined before the pencil-type glow plug (21, 22, 23, 24) was installed in the internal combustion engine is used to determine a pencil glow plug specific temperature-resistance correction (II, III), from which the temperature of the pencil glow plug (21, 22, 23, 24) during the operation of the internal combustion engine is determined.