Ignition device for an internal combustion engine
An ignition device for an internal combustion engine is described comprising: a direct current power source providing a direct current voltage; an ignition coil having first, second and third primary coils and a secondary coil; a first switching element forming a first closed circuit together with the direct current power source and the first primary coil; a second switching element forming a second closed circuit together with the direct current power source and the second primary coil; a reverse current-flow preventive element defining a current-flow direction in one direction in the first and second closed circuits; current detection elements for detecting current-flow in the first and second closed circuits; a third switching element forming a third closed circuit together with the direct current power source and the first and third primary coils; an ignition command signals and a control circuit for causing the first and second switching elements to push-pull operate.
- Assignee:
- Nippon Soken, Inc., and Nippondenso Co., Ltd., Aichi
- Patent Number(s):
- US 4702221
- OSTI ID:
- 5854265
- Country of Publication:
- United States
- Language:
- English
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