LUBRICATION COMPOSITION FOR ENGINE Russian patent published in 2017 - IPC C10M161/00 C10N30/02 C10N30/04 C10N30/06 C10N40/25 

FIELD: engine devices and pumps.

SUBSTANCE: invention relates to engine lubrication compositions containing at least one base oil, at least one polymer additive improving the viscosity index, at least one organo-molybdenum compound and at least one polyalkylene glycol obtained by polymerization or copolymerization of alkylene oxides containing from 3 to 8 carbon atoms including at least one butylene oxide, wherein the amount of polyalkylene glycol is from 1 to 28 wt % based on total weight of lubricant composition.

EFFECT: use of at least one polyalkylene glycol obtained by polymerization or copolymerization of alkylene oxides containing from 3 to 8 carbon atoms including at least one butylene oxide, in base oil it is possible to reduce wear of sliding bearings of connecting rods of internal combustion engines of automobiles with hybrid or microhybrid drive.

14 cl, 2 tbl