LUBRICATING COMPOSITION FOR HELICOPTER UNITS
FIELD: lubricating compositions for transmissions heavy-loaded bearing units with needle bearings working in swinging at low amplitudes. SUBSTANCE: composition contains the following components, mas. %: amine additive, 0.01-0.5 and/or alkyl phenol additive, 0.005-1.0; aryl ester of phosphoric acid,...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: lubricating compositions for transmissions heavy-loaded bearing units with needle bearings working in swinging at low amplitudes. SUBSTANCE: composition contains the following components, mas. %: amine additive, 0.01-0.5 and/or alkyl phenol additive, 0.005-1.0; aryl ester of phosphoric acid, 1.0-5.0; polymer thickener at molecular mass of 5000-10000, 1.0-20.0; diisooctyl sebacate, 10.0-30.0; low-viscous mineral and/or polyalphaolefine oil, 1.0- 45.0; commercial sulfur, 0.4-1.2; residual oil at viscosity not below 24 sq. mm/s at 100 C and solidifying temperature not above +5 C, the balance. EFFECT: improved anti-fretting and lubricating properties of composition; increased service life of helicopter unit. 2 cl, 4 tbl |
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