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System and method for controlling valve timing of an engine with cylinder deactivation

  • US 7,367,180 B2
  • Filed: 03/05/2004
  • Issued: 05/06/2008
  • Est. Priority Date: 03/05/2004
  • Status: Active Grant
First Claim
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1. A system comprising:

  • an engine having a first bank and a second bank, with each of said banks having cylinders, the engine having a first group of cylinders including cylinders from said first and second banks, and a second group of cylinders from said first and second banks;

    a first emission control device coupled exclusively to said first group of cylinders; and

    a second emission control device coupled to both said first and second groups; and

    a third emission control device coupled exclusively to said second group of cylinders.

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