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Internal combustion engine control for improved fuel efficiency

  • US 7,849,835 B2
  • Filed: 11/09/2009
  • Issued: 12/14/2010
  • Est. Priority Date: 07/11/2008
  • Status: Active Grant
First Claim
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1. An engine controller for controlling the operation of an internal combustion engine having at least one working chamber, each working chamber being generally arranged to operate in a succession of working cycles, wherein the engine controller is arranged to:

  • receive and input signal indicative of a desired engine output;

    determine a skip fire firing pattern that fires selected active working cycles and causes selected passive working cycles not to be fired to provide the desired engine output; and

    use predictive adaptive control that includes feedback indicative of at least one of requested and actual working cycle firings in the determination of the skip fire firing pattern.

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