Cam follower system for engine

摘要

Various systems are provided for a cam follower of a cam follower system. In one embodiment, a cam follower of a cam system comprises a tappet positioned between a cylinder valve and a camshaft, the tappet configured to drive the cylinder valve, a roller, and a pin coated with a diamond-like carbon coating coupling the roller to the tappet, the pin having a depressed contour on an outer surface of the pin.

主权项

1. A cam follower of a cam follower system, comprising:
a tappet positioned between a cylinder valve and a camshaft, the tappet configured to drive the cylinder valve; a roller; and a pin coated with a diamond-like carbon coating coupling the roller to the tappet, the pin having a depressed contour on an outer surface of the pin at a portion along a length of the pin where the outer surface interfaces with an inner surface of the roller, wherein the depressed contour includes a crown between a first curved end and a second curved end of the depressed contour and wherein the first curved end and the second curved end are positioned away from ends of the pin.