Patent ID: 8286599
Filing Date: 2012-10-16
Classification: F01L

Abstract:
1. An engine valve actuation assembly comprising: a shaft adapted to be coupled to an engine structure and defining a shaft bore; a rocker arm rotationally supported on an outer surface of the shaft and including: a locking assembly including a first lock pin located within the first longitudinal bore, an actuation pin extending through a radial passage in the rocker arm and engaged with the first lock pin, and a first biasing member engaged with the first lock pin and urging the first lock pin toward the actuation pin and biasing the actuation pin radially inward; and an actuation assembly located in the shaft bore and including an actuation member supported on an actuation rod, engaged with the actuation pin and linearly displaceable between first and second actuation positions, the first and second arms being rotatable relative to one another when the actuation member is in the first actuation position and being fixed for rotation with one another by the first lock pin when the actuation member is in the second actuation position.