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Control device for multi-cylinder internal combustion engine and signaling device capable of providing same with information

  • US 7,203,588 B2
  • Filed: 10/29/2004
  • Issued: 04/10/2007
  • Est. Priority Date: 12/26/2003
  • Status: Active Grant
First Claim
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1. A control device for a multi-cylinder internal combustion engine including a plurality of cylinders, an electronically controlled fuel injection system for injecting fuel into each of said cylinders, and an electronically controlled valve train for opening and closing an intake valve and an exhaust valve of each of said cylinders,said control device comprising:

  • operating state detection means for detecting an operating state of said internal combustion engine; and

    control means for performing a cylinder number control operation, in which fuel injection into some of said cylinders is stopped, and said intake valve and said exhaust valve of said cylinder concerned are kept closed, under predetermined conditions when a low- to medium-load operating state, including idling, is detected by said operating state detection means.

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