SLIDING SET FOR USE IN AN INTERNATIONAL COMBUSTION ENGINE

摘要

A sliding set is described for use in an internal combustion engine, the sliding set having at least a liner or cylinder of an engine block (1) which defines an internal sliding surface (2) and at least a piston ring (3) substantially shaped as a ring which defines an external sliding surface (4) which cooperates with the internal sliding surface (2) of the cylinder liner/bore (1), wherein :•(i) at least part of the external sliding surface (4) of the ring (3) has ceramic material coating; and•(ii) at least part of the internal sliding surface (2) of the liner/ cylinder (1) comprises a solid lubricant nanolayer coating wherein 0-5 < Rpk + Rvk + Rk < 1.5 and/or formula (I).