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

Ignition control system for internal combustion engine

Patent ·
OSTI ID:7033871

This patent describes an ignition control system for an internal combustion engine, comprising: (a) first means for generating a signal synchronized with an ignition timing of the engine; (b) second means for determining the maximum energizing time of an ignition coil to vary the maximum energizing time in accordance with the output signal of the first means; (c) third means for detecting the energizing current of the ignition coil to determine the energizing time of the ignition coil so that the period of the energizing current reaches a predetermined value; and (d) switching means for energizing or interrupting the ignition coil in accordance with output signals of the second means and the third means.

Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo
Patent Number(s):
US 4739743
OSTI ID:
7033871
Country of Publication:
United States
Language:
English