abstract |
THE INVENTION REFERS TO A DIESEL ENGINE OIL, WHICH INCLUDES A MIXTURE OF (A) A MAIN AMOUNT OF A LUBRICATING VISCOSITY OIL, (B) AT LEAST 4% MASS DISPERSANT, (C) AT LEAST 0, 3% BY MASS OF A METAL PHENATE, (D) LESS THAN 0.1% BY MASS OF A FRICTION MODIFICATION, (E) LESS THAN 0.3% BY MASS OF SULFURED PHENOLS AND (F) LESS THAN 0.12% IN MASS OF NEUTRAL CALCIUM SULFONATE. |