Electronic unit for detecting the charging condition and/or the wear of a motor vehicle battery using the engine rotational speed and battery voltage
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United States of America Patent
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Feb 24, 2004
Grant Date -
Apr 24, 2003
app pub date -
Jul 25, 2002
filing date -
Jul 26, 2000
priority date (Note) -
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Abstract
The invention relates to an electronic unit for identifying the charged state and/or the wear and tear of a motor vehicle battery. Said unit comprises elements for detecting the battery voltage and in addition, elements for detecting the speed of the internal combustion engine. The unit also has elements for evaluating the battery voltage according to the internal combustion engine speed during the starting operation, in relation to the charged state and/or the wear and tear of the motor vehicle battery.
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