Patent ID: 9016249
Filing Date: 2015-04-28
Classification: F01L

Abstract:
1. A system for actuating an engine valve comprising: a rocker arm having a first end distal from a valve bridge and a second end proximal to the valve bridge, said rocker arm having a first surface at the second end adapted to act on a center portion of the valve bridge; a sliding pin provided in, or a contact surface provided on, said valve bridge adjacent to the center portion, said valve bridge having a lower surface below said sliding pin or contact surface which is adapted to contact an engine valve; an actuator piston slidably disposed within and extending from the rocker arm at a point between the rocker arm first end and second end, said actuator piston having a lower surface adapted to contact the sliding pin or contact surface of the valve bridge; a hydraulically actuated mechanical locking assembly disposed in said rocker arm, said mechanical locking assembly contacting said actuator piston; and a hydraulic passage extending through the rocker arm to the mechanical locking assembly.