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SPARK VOLTAGE LIMITING SYSTEM FOR ACTIVE FUEL MANAGEMENT

  • US 20110094475A1
  • Filed: 10/26/2009
  • Published: 04/28/2011
  • Est. Priority Date: 10/26/2009
  • Status: Active Grant
First Claim
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1. An engine control system for a vehicle comprising:

  • a variable displacement module that deactivates N of M cylinders of an engine during a fuel management mode, where N is an integer and M is an integer greater than 1; and

    a spark control module that generates a spark timing signal for the N cylinders based on a pre-dwell time and a fuel management dwell modifier during the fuel management mode,wherein the spark control module reduces dwell time of the N cylinders during the fuel management mode based on the fuel management dwell modifier.

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