Internal-combustion engines – Igniters – Incandescent
Patent
1974-10-16
1977-03-29
Cox, Ronald B.
Internal-combustion engines
Igniters
Incandescent
123148S, F02P 100
Patent
active
040143090
ABSTRACT:
In the ignition system having a thyristor for performing a switching action, another thyristor is connected to capacitor charging coils in parallel with the thyristor, a primary winding of a transformer is connected in series with the another thyristor, a secondary winding is connected to a gate of the thyristor, and a trigger coil generating an ignition signal and a reversion protecting signal is connected to a gate of the another thyristor. By the transformer and the another thyristor, only the ignition signal is applied to the gate of the thyristor during a normal running of an engine, while only the reversion protecting signal is applied to the gate of the thyristor during a reverse rotation of the engine to prevent a capacitor from being charged thus protecting the reverse rotation.
REFERENCES:
patent: 3554179 (1971-01-01), Burson
patent: 3566188 (1971-02-01), Minks
patent: 3612023 (1971-10-01), Sohner
patent: 3612948 (1971-10-01), Minks
patent: 3715650 (1973-02-01), Draxler
patent: 3741185 (1973-06-01), Swift et al.
patent: 3750637 (1973-08-01), Minks
patent: 3824976 (1974-07-01), Katsumata
Cox Ronald B.
Nippondenso Co. Ltd.
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