Ignition system

Details Ignition system Ignition system

1974-04-12

1977-11-01

Dority, Jr., Carroll B.

Internal-combustion engines

Igniters

Incandescent

310 70A, 310153, F02P 308

Patent

active

040560880

ABSTRACT:
A capacitive discharge ignition system having a charge coil and an ignition coil including primary and secondary windings wound on a common stator structure. The charge coil is coupled to the primary winding of the ignition coil by an SCR and a main capacitor such that the capacitor is first charged by the charge coil and then discharged through the SCR into the primary winding of the ignition coil when the SCR fires. During discharge of the capacitor, the charge coil also supplies current to the primary winding of the ignition coil. A shorted turn is located on one leg of the stator structure and a diode is connected in parallel with the charge coil to reduce the maximum peak potential supplied by the charge coil to reduce the maximum potential rating requirements of the ignition circuit components.

REFERENCES:
patent: RE27477 (1972-09-01), Piteo
patent: 3114851 (1963-12-01), Santi
patent: 3367314 (1968-02-01), Hirosawa et al.
patent: 3464397 (1969-09-01), Burson
patent: 3545420 (1970-12-01), Foreman
patent: 3598098 (1971-08-01), Sohner
patent: 3673490 (1972-06-01), Magrane
patent: 3703889 (1972-11-01), Bodig et al.
patent: 3821570 (1974-06-01), Burson
patent: 3941111 (1976-03-01), Carmichael et al.

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