Constant spark rate system and method
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United States of America Patent
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-
Jul 9, 1991
Issued Date -
N/A
app pub date -
Jul 15, 1988
filing date -
Sep 25, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method for providing a constant rate of sparking in the spark gap of an internal combustion engine by supplying constant power to the capacitor which discharges through the spark gap. The capacitor receives current from the secondary coil of a transformer. The system uses a multivibrator to control current flow through the primary circuit of a transformer. The multivibrator is controlled by a comparator which compares an integrated transformer feedback signal to a temperature compensated reference voltage. In any two equal time periods, substantially the same amount of current flows to the capacitor from the secondary of the transformers. Substantially the same number of sparks are discharged through a spark gap during equal time periods.
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