Patent ID: 7530338
Filing Date: 2009-05-12
Classification: F01L,Y10T

Abstract:
1. A valvetrain system for an engine, the valvetrain system comprising: a low lift rocker arm rotateably connected to a rocker shaft and arranged to engage a camshaft; a high lift rocker arm rotateably connected to the rocker shaft and arranged to engage the camshaft; a connecting rocker arm rotateably connected to the rocker shaft and in engagement with a valve; a low lift locking mechanism bore positioned in the low lift rocker arm for housing a low lift pin assembly, the low lift locking mechanism bare having a longitudinal axis parallel to a longitudinal axis of the rocker shaft; and a high lift locking mechanism bore positioned in the high lift rocker arm for housing a high lift pin assembly, the high lift locking mechanism bore having longitudinal axis parallel to the longitudinal axis of the rocker shaft; wherein the connecting rocker arm is ranged to operate in selective engagement with a one of the low lift rocker arm and the high lift rocker arm to provide a variable lift deactivateable valvetrain configuration.