Patent ID: 6210503
Filing Date: 2001-04-03
Classification: C22C,F01L,Y10S

Abstract:
A method of enhancing the durability of camshaft-mounted cams in an internal combustion engine comprising the step of providing a pin mounting a cam-contacting cam follower roller from a wear and corrosion resistant, low friction copper-based alloy;wherein said copper-based alloy is a leaded manganese silicon bronze alloy comprising 58.0-63.0% by weight copper 2.0-3.5% by weight manganese 0.5-1.5% by weight silicon, 0.40-3.0% by weight lead, 0.50% by weight maximum iron, 0.25% by weight maximum nickel, 0.30% by weight maximum tin and 0.25% by weight maximum aluminum, and the remainder zinc.