Alternating current ignition system
Patent
·
OSTI ID:5482941
This patent describes an ignition system for a spark ignited internal combustion engine. It comprises: a transformer having a primary winding means comprised of at least one primary winding and a secondary winding, means connecting the secondary winding to a spark plug, a source of direct voltage, a capacitor, means for charging the capacitor from the source of direct voltage, means for discharging the capacitor through the primary winding means to thereby cause a voltage to be developed in the secondary winding that is high enough to initiate an arc at the electrodes of the spark plug, and means operative after the arc has been initiated for causing an alternating current to be developed in the secondary winding that is applied to the electrodes of the spark plug from the secondary winding to maintain the arc. The last named means comprising means connecting the primary winding means sequentially to the source of direct voltage.
- Assignee:
- General Motors Corp., Detroit, MI (USA)
- Patent Number(s):
- A; US 4998526
- Application Number:
- PPN: US 7-533329
- OSTI ID:
- 5482941
- Country of Publication:
- United States
- Language:
- English
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