Electronic ignition device for interval combustion engines

Details Electronic ignition device for interval combustion engines Electronic ignition device for interval combustion engines

1985-11-25

1987-02-10

Nelli, Raymond A.

Internal-combustion engines

High tension ignition system

Additional spark energy supply

123621, 123622, F02P 302

Patent

active

046416269

ABSTRACT:
A current-interrupting type ignition device having an ignition coil having a primary winding, a secondary winding and an auxiliary winding disposed in the primary circuit, the number of turns of the auxiliary winding being less than that of the primary one. The auxiliary winding is energized in such a manner that electromagnetic flux passes in a direction opposite to that of the primary winding when energized. In this arrangement current flows through the auxiliary winding via a transistor and a diode when the primary current flowing through the primary winding is interrupted, thereby adding a voltage induced across the secondary winding by the transferring effect upon the energization of the auxiliary winding to the corresponding high voltage induced across the secondary winding upon the interruption of the current flow through the primary winding.

REFERENCES:
patent: 1585402 (1926-05-01), Mallony
patent: 3280809 (1966-10-01), Issler
patent: 3331362 (1967-07-01), Mitchell
patent: 4448182 (1984-05-01), Aoyama et al.

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