Patent ID: 7228833
Filing Date: 2007-06-12
Classification: F01L

Abstract:
1. A rocker system for actuating valve lift events of an internal combustion engine, the rocker system comprising: a rocker arm; an actuator link in constant driving engagement with the rocker arm and a camshaft; a rocker shaft positioned in a cylinder head and oriented to have a rotational axis substantially perpendicular to a rotational axis of the camshaft, wherein the rocker arm is arranged to be rotated about the rocker shaft and engage a valve to actuate valve lift events of the internal combustion engine; wherein the rocker arm includes: an intake rocker arm arranged to rotate about the rocker shaft; and an exhaust rocker arm arranged to rotate about the rocker shaft, wherein the exhaust rocker arm is coupled about the rocker shaft so as to be nested within the intake rocker arm while allowing independent rotation of the intake and exhaust rocker arms.