Valve actuation system comprising rocker assemblies with one-way coupling therebetween

A system for actuating at least two engine valves associated with a cylinder of an internal combustion engine, comprising:

• a first rocker assembly operatively connected to a first valve actuation motion source and to a first engine valve of the at least two engine valves, the first rocker assembly comprising a first lost motion component arranged in series with a first input rocker and a first output rocker, the first input rocker configured to receive first valve actuation motions from the first valve actuation motion source and the first output rocker configured to impart the first valve actuation motions to the first engine valve, wherein the first lost motion component is operable, in a motion absorbing state, to prevent conveyance of the first valve actuation motions from the first input rocker to the first output rocker and, in a motion conveying state, to convey the first valve actuation motions from the first input rocker to the first output rocker;
• a second rocker assembly operatively connected to a second valve actuation motion source and to a second engine valve of the at least two engine valves, the second rocker assembly comprising at least one second rocker configured to receive second valve actuation motions from the second valve actuation motion source and to impart the second valve actuation motions to the second engine valve;
• and
• a one-way coupling mechanism disposed between the first output rocker and the at least one second rocker such that the second valve actuation motions are transferred from the at least one second rocker to the first output rocker, and the first valve actuation motions are not transferred from the first output rocker to the at least one second rocker.