FIELD: engines and pumps.
SUBSTANCE: invention can be used in internal combustion engines. The internal combustion engine sleeve inner part is treated so, as to be completely smooth, and DLC type coating is applied to it. The value of surface roughness of the sleeve before spraying, Ra, is less than 0.06 microns. The DLC coating is applied on the sleeve inside by means of vacuum deposition, including ion etching step and the next step related to spraying itself.
EFFECT: invention provides minimization of the oil quantity on the cylinder wall and reduces the friction force losses for oil film shift.
6 cl, 1 tbl
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