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METHOD AND APPARATUS FOR DETERMINING OPTIMUM SKIP FIRE FIRING PROFILE

  • US 20150260117A1
  • Filed: 03/04/2015
  • Published: 09/17/2015
  • Est. Priority Date: 03/13/2014
  • Status: Active Grant
First Claim
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1. A skip fire engine controller comprising:

  • a skip fire profile module arranged to determine an operational firing fraction and associated cylinder load for delivering a desired engine output, wherein the skip fire profile module is arranged to select the operational firing fraction from a set of available firing fractions, wherein the set of available firing fractions varies as a function of cylinder load such that more firing fractions are available at lower cylinder loads than at higher cylinder loads; and

    a firing controller arranged to direct firings in a skip fire manner that delivers the selected operational firing fraction.

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