BREAK-IN OIL Russian patent published in 2018 - IPC C10M141/00 C10M141/02 C10M125/04 C10N30/06 

FIELD: engine building.

SUBSTANCE: invention relates to production of lubricating oils and can be used when performing technological operations of breaking-in in repaired engines in conditions of agricultural enterprises, operating and repairing internal combustion engines, as well as other enterprises of repair and technical purposes. Break-in oil contains deep cleaned clarified used engine oil, oleic acid, graphene mixture, treated with ultrasound, carbamide, dissolved in ammonium hydroxide, taken in the following ratio of components, mass. %: oleic acid 0.1–0.5, carbamide in ammonium hydroxide 0.1–0.3, graphene mixture 0.1–0.3, deep cleaned clarified engine oil 99.7–98.9.

EFFECT: use of proposed breaking-in oil will allow to increase efficiency of breaking-in of repaired engines, to prolong the life of oil and to reduce operating costs of repaired equipment.

1 cl, 3 tbl