Oil supply system in an internal combustion engine.

摘要

@ An oil supply system for the overhead valve actuating mechanism of an internal combustion engine includes a cam follower (10e) engaged by a hydraulic tappet (12e) for constantly maintaining positive contact among the valve actuating mechanism components. These components also include a rocker arm (15) pivotally mounted on a rocker shaft (16) and engaging the end of the valve (4e) for opening same and a pusher rod (14) extending between the rocker arm and the cam follower. Oil is supplied under pressure to the hydraulic tappet (12e) for operating same and from a reservoir chamber (21) in the tappet through oil passages in the cam follower, pusher rod and rocker arm (34, 35 and 36) to lubricate the rocker shaft (16) and the points of engagement between those components.