Ignition system for internal combustion engine

Internal-combustion engines – High tension ignition system – Additional spark energy supply

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Details

123640, 123643, 123656, F02P 304

Patent

active

052284255

ABSTRACT:
An inductive discharge ignition system for an internal combustion engine uses two ignition transformers with their associated circuitry. One transformer is employed in a Kettering type high voltage system. The other transformer is used in a low voltage high current output system. The Kettering system initiates spark plug arcing. When the arc is established the lower voltage high current circuit increases the arcing since only lower voltage is needed to sustain or increase the arcing once arcing is established.

REFERENCES:
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patent: 3910247 (1975-10-01), Hartig
patent: 3919993 (1975-11-01), Neuman
patent: 4136301 (1979-01-01), Shimojo et al.
patent: 4409952 (1983-10-01), Canup
patent: 4556040 (1985-12-01), Heyke
patent: 4558685 (1985-12-01), Ishikawa et al.
patent: 4915087 (1990-04-01), Boyer

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