Internal-combustion engines – High tension ignition system – Additional spark energy supply
Patent
1992-01-21
1993-05-18
Wolfe, Willis R.
Internal-combustion engines
High tension ignition system
Additional spark energy supply
123643, 123656, F02P 304
Patent
active
052111520
ABSTRACT:
Disclosed is a distributorless ignition system of inductive discharge type for internal combustion engines. This system comprises basic ignition coil means (14) for centralized supplying of inductive energy for spark plugs and trigger ignition coil means (22a, 22b, 22c and 22d) preferably disposed on spark plug heads for inducing electrical break-down across the electrodes of a spark plug. Both the basic and trigger ignition coil means are energized from a battery (10) through switching means (36a and 36b). The basic ignition coil means generates current pulses for spark plugs with respectively low voltage. The rated power of the trigger ignition coil means is provided to be much less than the same of the basic ignition coil means.
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John B. Heywood, Internal Combustion Engine Fundamentals, McGraw Hill, Inc., Jan.-1988, FIG. 9-39.
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