Internal-combustion engines – Igniters – Incandescent
Patent
1976-11-29
1978-09-26
Cox, Ronald B.
Internal-combustion engines
Igniters
Incandescent
123148S, F02P 100
Patent
active
041161882
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: 3903862 (1975-09-01), Nagasawa
patent: 3911886 (1975-10-01), Nagasawa
patent: 3911889 (1975-10-01), Nagasawa
patent: 4014309 (1977-03-01), Nagasawa
Cox Ronald B.
Nippondenso Co. Ltd.
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