AC ignition system with optimized electronic circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

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Details

315209CD, 315209SC, 361256, 361257, H05B 3702

Patent

active

055064787

ABSTRACT:
In an alternating current ignition system whose ignition output stage has an ignition coil, a resonant-circuit capacitor for generating a bipolar alternating current, a semiconductor switch for controlling the primary coil current and an energy recovery diode connected in parallel to the semiconductor switch, the current flowing through the diode serves as control signal for the semiconductor switch and triggers the switching-on of the semiconductor switch.

REFERENCES:
patent: 3914665 (1975-10-01), Johnson et al.
patent: 3945362 (1976-03-01), Neuman et al.
patent: 4359038 (1982-11-01), Xiberas
K. Rischmuller: "Vor dem Ausfall schutzen". IN: elektrotechnik 59, vol. 11, Jun. 10, 1977, pp. 14-19.

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