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Fast active fuel management reactivation

  • US 7,472,014 B1
  • Filed: 10/15/2007
  • Issued: 12/30/2008
  • Est. Priority Date: 08/17/2007
  • Status: Expired due to Fees
First Claim
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1. An engine control module, comprising:

  • a valve control module that disables intake and exhaust valves corresponding to a cylinder that includes a mass of intake air;

    an engine cycle module that determines a number of engine cycles that occur while said cylinder is disabled; and

    an air estimation module that determines a remaining mass of air in said cylinder based on said number of engine cycles.

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