Transient modulated AC ignition system

Details Transient modulated AC ignition system Transient modulated AC ignition system

1978-07-12

1980-08-05

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

123594, 315172, 315176, 315173, 315209CD, H05B 3702, H05B 3904, H05B 4136

Patent

active

042164125

ABSTRACT:
An AC powered ignition system employs a rectangular wave power source and a timer for controlling igniter firings. Such timer intermittently interrupts the flow of DC bias current in active stages of the AC power source so as to create a large transient current and high induced voltage in an output transformer. The large transient current is intermodulated with a Kettering type transient to provide high energy firing levels to igniters in a fuel burning engine. The output transformer is coupled to an ignition transformer and to a reactance compensating capacitor to energize a distributor and igniters connected to the distributor.

REFERENCES:
patent: 3060346 (1962-10-01), Sohner
patent: 3906919 (1975-09-01), Asik et al.
patent: 3910246 (1975-10-01), Canup
patent: 3972315 (1976-08-01), Munden et al.
patent: 4033316 (1977-07-01), Birchenough
patent: 4136301 (1979-01-01), Shimojo et al.

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