LUBE OIL FOR GAS TURBINES Russian patent published in 2002 - IPC

FIELD: lubricants. SUBSTANCE: lube oil proposed for perspective gas turbine engines belonging to gas-pumping assemblies and to other machinery equipped by gas turbines contains, wt.%: heat-resistant diisooctyl sebacate, 10.0-15.0; 2,6-di-tertbutyl-p-cresol, 0.5-3.0; alkylated diphenylamine, 0.2-0.5; tricresyl phosphate or diphenyl-p-tert-butylphenyl phosphate, 1.5-3.0; benzotriazole, 0.005-0.1; and base oil, in particular synthetic poly-alpha-olefin oil, the balance. Alkylated diphenylamine can be p,p'-dinonyldiphenylamine or mixture of butyl- and octyldiamines. EFFECT: increased operation capacity of engines during life time designated for ultrasonic aviation. 3 cl, 2 tbl