Friction piece operating in a lubricated medium
AssigneeH.E.F.
InventorsPhilippe Maurin-Perrier, Christophe Heau
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Abstract
The lubricated environment incorporates a friction modifier, and a coating is applied to the part. The coating is chromium nitride and the friction modifier is MoDTC. The chromium nitride presents an NaCl-type crystallization and a microhardness of 1,800+/−200 HV.
Claims4
A combination of two friction parts and a lubricant including a friction modifier, wherein none of said friction parts is coated with DLC, wherein the friction modifier comprises MoDTC, and wherein at least one of said friction parts includes a coating comprising chromium nitride presenting an NaCl-type crystallization and a microhardness of 1,800+/−200 HV.
Dependencies are inferred from the claim text.