×

VARIABLE VALVE TIMING FOR CYLINDER DEACTIVATION

  • US 20140032083A1
  • Filed: 07/24/2012
  • Published: 01/30/2014
  • Est. Priority Date: 07/24/2012
  • Status: Active Grant
First Claim
Patent Images

1. An engine method, comprising:

  • operating a first group of combusting cylinders on a first engine bank to provide a net flow of air and exhaust gas in a first direction while adjusting a valve timing of a second group of non-combusting cylinders on a second engine bank to have substantially less flow in the second bank as compared to the first bank, a direction of the substantially less flow in the second bank adjusted based on an exhaust air-to-fuel ratio of the second bank.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×