LUBRICATING OIL FOR GAS TURBINES Russian patent published in 1997 - IPC

FIELD: gas turbine engines of military and civic aviation, gas turbine plants of ships and gas transferring units driven by aircraft of ship engines or ether types of equipment driven by gas turbine. SUBSTANCE: mineral oil comprises, %: 2,6-ditert-butyl paracresol, 0.01-2; N-phenyl-α-phenyl-a- naphthylamine, 0.05-2; tricresyl phosphate or diphenyl parater- butylphenyl phosphate, 0.5-5; benzotriazole, 0.005-0.2; and butyric solution of polyalkyl methacrylate with molecular weight of 3000-8000, 0.01-2. Use of the claimed lubricating oil in the gas turbine lubrication system makes it possible to make lubrication system more reliable, reduce the number of maintenance operations and simplify service of equipment. EFFECT: improved properties. 2 tbl