Spark circuit

Details Spark circuit Spark circuit

1980-02-14

1982-04-27

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

315224, 315306, 315307, 361253, 361266, 431258, 123627, 123644, H05B 3702, H05B 3904, H05B 4136

Patent

active

043273106

ABSTRACT:
A spark circuit for heating equipment used on automobiles in which a switch interrupts current flow in the primary of an ignition coil. A comparator compares the actual value of current flowing in the primary against a predetermined nominal value, and current to the switch is interrupted when the values reach parity, so as to render the switch non-conductive during the interruption with resulting auto-induction in the secondary of the ignition coil.

REFERENCES:
patent: 3295014 (1966-12-01), Fisher et al.
patent: 3397031 (1968-08-01), Kern et al.
patent: 3892219 (1975-07-01), Preiser et al.
patent: 3901205 (1975-08-01), Brungsberg
patent: 3937193 (1976-02-01), Kim
patent: 4176645 (1979-12-01), Jundt et al.
patent: 4228779 (1980-10-01), Wetzel
patent: 4230970 (1980-10-01), Potter et al.

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