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

  • US 7,647,766 B2
  • Filed: 10/15/2007
  • Issued: 01/19/2010
  • Est. Priority Date: 03/05/2004
  • Status: Active Grant
First Claim
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1. A system comprising:

  • an engine having a first and second bank of cylinders, said first bank having a first and second group of cylinders, said second bank having a third and fourth group of cylinders;

    a first emission control device coupled to said engine to receive gasses exhausted from said first group, said first emission control device not receiving gasses exhausted from said third group; and

    a second emission control device coupled to said engine to receive gasses exhausted from said third group, said second emission control device not receiving gasses exhausted from said first group.

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