Electronic engine control module incorporating glow plug and glow plug lamp control
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United States of America Patent
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Sep 7, 1993
Grant Date -
N/A
app pub date -
Aug 19, 1992
filing date -
Aug 19, 1992
priority date (Note) -
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Abstract
The engine control module incorporates strategy which controls and modulates glow plug activation and also controls activation of a glow plug indicator lamp mounted in the cab of the vehicle. The control functions are separate in action but both are based on first sensing input power. If power is out of a predefined range strategy is provided for maintaining the glow plugs off. Both are secondly based on sensed engine coolant temperature, with out of range coolant temperatures causing activation of the glow plugs so long as input power is within range.
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