Ignition system for internal combustion engines

Details Ignition system for internal combustion engines Ignition system for internal combustion engines

1973-08-21

1976-08-10

Myhre, Charles J.

Internal-combustion engines

Igniters

Incandescent

315209CD, F02P 100

Patent

active

039735443

ABSTRACT:
An ignition system for internal combustion engines, in which a spark is produced across a spark plug gap when a capacitor is discharged through a primary winding of an ignition coil.
As a switching means for energizing and deenergizing the primary winding of the ignition coil a transistor is used, and also a time constant circuit for controlling the transistor is provided. At the time of producing a spark by rendering the transistor conductive, electromagnetic energy is stored in the primary winding of the ignition coil. When the transistor is subsequently cut off by the action of the afore-mentioned time constant circuit, a second spark is produced with the electromagnetic energy stored in the primary winding.

REFERENCES:
patent: 3306275 (1967-02-01), Hufton
patent: 3489129 (1970-01-01), Issler
patent: 3714507 (1973-01-01), Schweitzer
patent: 3741183 (1973-06-01), Strum
patent: 3791364 (1974-02-01), Saita

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