Ignition system for an internal combustion engine
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United States of America Patent
Stats
-
May 2, 1989
Grant Date -
N/A
app pub date -
Nov 13, 1986
filing date -
Nov 13, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The system comprises a low-voltage electrical supply, an inductive voltage-increaser, a plurality of plugs, and distribution means for allowing the selective supply of high voltage to the plugs through the voltage-increaser. The latter comprises a low-voltage winding through which current flows each time a spark is prouduced in at least one plug, and a plurality of coils each of which is associated with a respective plug. Each coil includes first and second windings magnetically coupled together, the second winding being connected electrically to the plug. The distribution means are also adapted to connect the first winding of one or more of the coils selectively to the low voltage winding and to allow current to flow through the said windings to create the spark in the plugs connected to the said coils.
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