Inductive spark ignition for combustion engine

Details Inductive spark ignition for combustion engine Inductive spark ignition for combustion engine

1976-02-18

1977-12-20

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

123148E, 315219, 315224, H05B 3702, H05B 3904, H05B 4136

Patent

active

040644154

ABSTRACT:
An inductive spark ignition system for a gas turbine engine in which the switching semiconductor and other components are protected from failure under igniter plug load conditions. The ignition system includes means for positively turning off the switching semiconductor to start a firing cycle and for insuring that the switching semiconductor remains nonconducting long enough to dissipate the energy in the firing circuit. A Darlington transistor is used for switching and means are provided for limiting voltage and current in the transistor pair.

REFERENCES:
patent: 3219876 (1965-11-01), Bays et al.
patent: 3531737 (1970-09-01), Thakore
patent: 3666989 (1972-05-01), Boyer
patent: 3725732 (1973-04-01), Thakore
patent: 3795826 (1974-03-01), Adey
patent: 3940658 (1976-02-01), Allred
patent: 3949722 (1976-04-01), Linstedt et al.
patent: 3965878 (1976-06-01), Salway

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