Method and apparatus for detecting and indicating anomalies in the operation of the ignition systems of internal combustion engines
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United States of America Patent
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May 21, 1991
Grant Date -
N/A
app pub date -
Jan 11, 1988
filing date -
Jan 9, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The method and apparatus allows the detection and indication of anomalies in the operation of the ignition system of an internal combustion engine including a plurality of spark plugs, each of which receives a periodic high-voltage pulse output by a high-voltage generator in operation. The method includes the steps of: detecting the pulses generated by the high-voltage generator, comparing the peak values of each pulse detected with first and second threshold values, and producing a perceptible signal when the peak values of the high-voltage pulses fall outside the acceptable range defined between the threshold values.
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