FIELD: stabilization and improvement of physico-chemical properties of motor oils working under tribochemical mode of lubrication of internal combustion engine. SUBSTANCE: method is based on extraction and re- extraction of microelements from impurities of working motor oils (products of incomplete combustion, wear of friction parts, insoluble precipitates of carbon deposits, decomposition of components of additives). Method is carried out right under operational modes of internal combustion engine in specified and controlled temperature and magnetic fields in active zones of apparatus of oil stabilization in combination with solid antioxidants. EFFECT: improved tribochemical properties of motor oil. 7 cl, 2 tbl
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