Patent ID: 6748913
Filing Date: 2004-06-15
Classification: F01L,Y10T

Abstract:
An internal combustion engine comprising an engine body, a moveable member moveable relative to the engine body, the engine body and the moveable member together defining a combustion chamber, the engine body defining a passage communicating with the combustion chamber relative to a port thereof, a valve arranged to move between an open position and a closed position relative to the port, a camshaft journaled for rotation within the engine body, a rocker arm shaft disposed within the engine body, the camshaft actuating the valve through the rocker arm, the rocker arm axially moveable along an axis of the rocker arm shaft, a stopper disposed on the rocker arm shaft to stop the axial movement of the rocker arm in one direction, an elastic member mounted on the rocker arm shaft opposite of the stopper to urge the rocker arm toward the stopper, and a block member arranged to limit the axial movement of the rocker arm in a direction working against the elastic member, the block member being disposed on the same side as the elastic member relative to the rocker arm.