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Induction tuning using multiple intake valve lift events

  • US 7,685,976 B2
  • Filed: 03/24/2006
  • Issued: 03/30/2010
  • Est. Priority Date: 03/24/2006
  • Status: Active Grant
First Claim
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1. A tuned induction control system for an engine having a piston that is reciprocally disposed in a cylinder, comprising:

  • a first module that actuates an intake valve associated with said cylinder;

    a second module that determines a second intake valve open timing based on an intake air temperature and an engine speed, wherein said first module actuates said intake valve during a first intake event and actuates said intake valve during a second intake event that is subsequent to said first intake event, wherein said first and second intake events occur during a common intake stroke of said piston and said intake valve is opened at said second intake valve open timing during said second intake event.

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