Capacitor discharge ignition device for internal combustion...

Details Capacitor discharge ignition device for internal combustion... Capacitor discharge ignition device for internal combustion...

2005-05-10

2005-05-10

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

C123S599000

Reexamination Certificate

active

06889677

ABSTRACT:
A capacitor discharge ignition device for an internal combustion engine including an ignition capacitor that is charged with a positive half cycle of an output voltage of an exciter coil, a thyristor that is triggered by a negative half cycle of an output voltage of the exciter coil when the internal combustion engine is ignited to discharge charges stored in the ignition capacitor through a primary coil of an ignition coil, and a reverse bias circuit that applies a reverse bias voltage between a gate and a cathode of the thyristor when a current flowing from the exciter coil through the thyristor is detected and when a charging current of the ignition capacitor is detected.

REFERENCES:
patent: 4046125 (1977-09-01), Mackie
patent: 4169446 (1979-10-01), Jackson et al.
patent: 4346690 (1982-08-01), Anderson
patent: 4566425 (1986-01-01), Nitou et al.
patent: 51-41669 (1984-03-01), None

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