VCT cam timing system utilizing calculation of intake phase for dual dependent cams

Patent No. 6,745,732

Issued: June 8, 2004
Filed: November 25, 2002

Inventors: Ekdahl; Earl (Ithaca, NY); Quinn, Jr.; Stanley B. (Elmhurst, IL)
Assignee: BorgWarner Inc. (Auburn Hills, MI)


An engine with dependent intake cams requires a different method and formula to determine the phase of the intake cams. The exhaust camshaft drives the intake camshaft and so the intake cam position is dependent upon the exhaust cam position. The present invention provides a VCT cam timing system utilizing calculation of intake phase for dual dependent cams.


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