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U.S. Department of Energy
Office of Scientific and Technical Information

Contactless erroneous ignition prevention type ignition system for internal combustion engine

Patent ·
OSTI ID:6107337
A contactless erroneous ignition prevention type ignition system for internal combustion engines, in which the energization of the ignition coil is held regardless of an input signal for a predetermined time period after starting the energization. At a first predetermined time after the output signal of a rotational signal generator corresponding to the rotational speed of the internal combustion engine exceeds a reference level, the energization of the ignition coil is started, and the energization of the ignition coil is maintained regardless of the output signal of the rotational signal generator until a second predetermined time. The charging timing of a capacitor of a frequency-voltage converter circuit for controlling the dwell angle of the ingition coil is controlled according to the first and second predetermined times.
Assignee:
Nippondenso Co. Ltd. (Japan)
Patent Number(s):
US 4475520
OSTI ID:
6107337
Country of Publication:
United States
Language:
English