Contactless magneto ignition system

Details Contactless magneto ignition system Contactless magneto ignition system

1983-01-25

1984-04-10

Nelli, Raymond A.

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

123603, 123149C, F02P 100

Patent

active

044414781

ABSTRACT:
A flywheel magneto generates a first and a second angular signal in synchronism with the rotation of an internal combustion engine so that the second signal is broader in pulse width than and delayed by a predetermined time interval relative to the first signal. An ignition time calculation circuit converts the first signal to a rectangular pulse. The second signal is partly bypassed to ground until the pulse is ended in the high and moderate speed ranges of the engine. At the end of the pulse, the second signal cause a thyristor to conduct so as to determine an ignition time. In the low speed range, the pulse is disabled and the second signal cause the thyristor to conduct upon its reaching the threshold voltage of the thyristor.

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patent: 4244336 (1981-01-01), Rilzner
patent: 4306535 (1981-12-01), Rilzner
patent: 4306536 (1981-12-01), Rilzner
patent: 4318387 (1982-03-01), Rilzner

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