Patent ID: 6328009
Filing Date: 2001-12-11
Classification: F01L,F01M,Y10T

Abstract:
A valve lifter for interconnecting a camshaft to a valve, the valve lifter comprising;a body having a lower substantially solid portion extending along a longitudinal axis and an upper substantially hollow portion;a cylindrical roller member rotatively mounted to the body lower portion for engaging the camshaft and rotating about an axis of rotation thereof transverse to the longitudinal axis and having a first surface and an opposing second surface perpendicular to the axis of rotation thereof;a bearing member in the roller for assisting the rotation of the roller about an axis having a first and a second surface perpendicular to the axis of rotation of the cylindrical roller member;a pair of oil holding locations on a first interior surface and a second opposing interior surface of the body lower portion;an oil passageway extending through the body transverse to the longitudinal axis and parallel with the axis of rotation of the cylindrical roller member for receiving oil; anda pair of oiling channels for directing lubrication from the oil passageway to the oil holding locations for providing oil to the first and second surfaces of the cylindrical roller member and the first and second surfaces of the bearing member therein.