Method for variable valve actuation with 3 different cams

DRIVE June 16, 2004
Source
A method of variably actuating a valve (90) of an engine (40) includes selecting one of three valve lift profiles dependent at least in part upon engine operating conditions and parameters. The selected valve lift profile is phased relative to the angular position of the engine crankshaft dependent at least in part upon engine operating conditions and parameters. The valve (90) is actuated according to the selected and phased valve lift profile.

Discussion in the ATmosphere

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