Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Patent
1980-01-16
1981-10-06
Chatmon, Jr., Saxfield
Electric lamp and discharge devices: systems
Periodic switch in the supply circuit
Silicon controlled rectifier ignition
123620, 123622, 315172, 315173, 315176, 315209T, H05B 3702, H05B 3904, H05B 4136
Patent
active
042937981
ABSTRACT:
An inductive-capacitive cyclic charge-discharge ignition system includes an ignition transformer primary winding in parallel with a capacitor and fed by an alternating current source providing a plural number of repetition cycles during each igniter firing period. Such repetition cycles cause the capacitor and primary winding to charge and discharge during each of the repetition cycles creating a plurality of ringing periods for each igniter firing period. A diode or an additional capacitor, or both, inserted in series with the parallel combination of the first stated capacitor and primary winding, substantially increases the velocity of arc provided by an igniter. Such arc has several components composed of luminous particles extending across the entire base of the igniter.
REFERENCES:
patent: 3837326 (1974-09-01), Kamiji
patent: 3919993 (1975-11-01), Neuman
patent: 3972315 (1976-08-01), Munden et al.
patent: 3993035 (1976-11-01), Gerry
patent: 4033316 (1977-07-01), Birchenough
patent: 4083347 (1978-04-01), Grather et al.
patent: 4206737 (1980-06-01), Gerry
patent: 4216412 (1980-08-01), Gerry
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