Patent ID: 8851048

Claim:
A system for actuating an engine exhaust valve for engine braking comprising: a rocker arm shaft ( 110 ) having a control fluid supply passage ( 112 ); an engine braking rocker arm ( 100 ) pivotally mounted on the rocker arm shaft ( 110 ), said engine braking rocker arm having a central opening disposed about the rocker arm shaft ( 110 ), a hydraulic passage ( 102 ) connecting the central opening with a control valve ( 130 ), and a fluid passage ( 105 ) connecting the control valve with an actuator piston assembly ( 140 ); a valve bridge ( 300 ) extending between first and second engine exhaust valves ( 400 , 450 ); a sliding pin ( 310 ) provided in the valve bridge ( 300 ), said sliding pin contacting the first engine exhaust valve ( 400 ), wherein the actuator piston assembly ( 140 ) contacts the sliding pin ( 310 ); a cam ( 200 ) for imparting engine braking actuation to the engine braking rocker arm ( 100 ); and a spring ( 124 ) biasing the engine braking rocker arm ( 100 ) into contact with the cam ( 200 ).