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Method and system for controlling ignition timing for internal combustion engine

  • US 5,727,522 A
  • Filed: 03/25/1997
  • Issued: 03/17/1998
  • Est. Priority Date: 03/25/1996
  • Status: Expired due to Fees
First Claim
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1. An ignition timing control system for an internal combustion engine comprising:

  • basic ignition timing setting means for setting a basic ignition timing of the engine;

    means for setting a target value of an engine speed while the engine is in idling condition;

    correcting means for determining an ignition timing correction value depending upon a difference between said target value and a detected engine speed and correcting the basic ignition timing with said ignition timing correction value; and

    control means for controlling said engine with the corrected ignition timing after the engine speed becomes higher than or equal to a predetermined value.

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