Patent ID: 6357407
Filing Date: 2002-03-19
Classification: F01L,F01M,Y10T

Abstract:
A valve lifter assembly for operating with a camshaft, the valve lifter assembly comprising:a valve lifter including an elongated body having a predetermined orientation for operating with the camshaft; a roller rotatively mounted to the body having an axis of rotation that is substantially parallel to an axis of rotation of the camshaft with the lifter body in its predetermined orientation; an engine block including bores configured to slidingly receive valve lifter bodies therein; an anti-rotation member for keeping the body in the predetermined orientation thereof; a crescent-shaped portion on the anti-rotation member having a curved surface for mating with the curvature of the bore; a shoulder on the anti-rotation member for mating with a corner about the bore to maintain the member in its predetermined position; and a flat surface extending between the ends of the curved surface of the crescent-shaped portion of the anti-rotation member for engaging the lifter body to prevent rotation thereof.