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Control device and control method for internal combustion engine

  • US 10,174,685 B2
  • Filed: 10/11/2013
  • Issued: 01/08/2019
  • Est. Priority Date: 04/19/2013
  • Status: Active Grant
First Claim
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1. A control device for an internal combustion engine including a plurality of cylinders, the control device comprising:

  • a misfire detection unit for detecting a misfire state for each of the plurality of cylinders;

    a plurality of electronic throttles each provided on an intake pipe corresponding to each of the plurality of cylinders, for adjusting an intake air amount taken into each of the plurality of cylinders by way of a throttle opening degree; and

    a throttle opening degree control unit for controlling the throttle opening degree of each of the plurality of electronic throttles,wherein, when the misfire detection unit detects the misfire state in any one of the plurality of cylinders, the throttle opening degree control unit gradually decreases a maximum allowed value of the throttle opening degree of the electronic throttle corresponding to the cylinder in the misfire state as time elapses.

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