Internal-combustion engines – High tension ignition system – Having an ignition coil with multiple primary or secondary...
Patent
1987-10-29
1988-09-13
Cox, Ronald B.
Internal-combustion engines
High tension ignition system
Having an ignition coil with multiple primary or secondary...
123643, 123627, F02P 100
Patent
active
047701528
ABSTRACT:
An ignition device for an internal combustion engine comprising an ignition coil adapted to produce a secondary reversible voltage, two wires commonly branched from the one end of the ignition coil, and two spark plugs connected to the wires. In each of the two wires, there are provided a series gap forming device and a diode. The diodes are arranged in reverse directions relative to each other, so that the secondary high voltage generated in one direction can pass through one of the diodes and the secondary high voltage in the reverse direction can pass through the other diode, whereby a spark is realized at one end of the two spark plugs by a selective application of the primary current.
REFERENCES:
patent: 1335933 (1920-04-01), Bohli
patent: 1684496 (1928-09-01), Lautenschlager
patent: 2467725 (1949-04-01), Berkey et al.
patent: 2643274 (1953-06-01), Miller
patent: 3910247 (1975-10-01), Hartig
patent: 4463744 (1984-08-01), Tanaka
patent: 4556040 (1985-12-01), Heyke
Mogi Kazuhisa
Ohno Eishi
Cox Ronald B.
Toyota Jidosha & Kabushiki Kaisha
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