Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Ignition device for an internal combustion engine

Patent ·
OSTI ID:5854265

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