Breakerless ignition system for an internal combustion engine

Details Breakerless ignition system for an internal combustion engine Breakerless ignition system for an internal combustion engine

1975-01-27

1976-10-12

Myhre, Charles J.

Internal-combustion engines

Combined devices

Generating plants

123118, 123198F, 123 97B, 123148E, F02P 504, F02P 100

Patent

active

039851095

ABSTRACT:
A breakerless ignition system for an internal combustion engine comprising an ignition power supply, a capacitance discharge type ignition circuit including a capacitance, an ignition coil and a first semiconductor switching means to discharge the capacitance through the ignition coil on the primary side thereof, and an ignition signal source to trigger the first semiconductor switching means to be turned on, the ignition system further comprising an ignition inhibiting means including a second semiconductor switching means arranged so that it periodcally prevents the ignition power from being applied to the ignition circuit when the speed of the engine becomes less than a predetermined value and also when the intake vacuum pressure of the engine exceeds a predetermined value.

REFERENCES:
patent: 3584608 (1971-06-01), Shibagaki
patent: 3589344 (1971-06-01), Steinke
patent: 3863616 (1975-02-01), Wood
patent: 3868928 (1975-03-01), Kishimoto
patent: 3898963 (1975-08-01), Iwata

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