WORKING FLUID FOR HYDRAULIC SYSTEMS OF AVIATION EQUIPMENT

FIELD: chemistry. ^ SUBSTANCE: present invention can be used in hydraulic systems of aviation equipment with operating temperature ranging from minus 60°C to plus 175°C. The fluid contains, in wt %: 2,6-di-tert-butyl paracresol 0.3-0.5; phenyl-alpha-naphthylamine 0.2-0.5; tricresyl phosphate 1-3; th...

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Bibliographische Detailangaben
Hauptverfasser:	MALYSHEVA ELENA VALER'EVNA, RASKIN JURIJ EFIMOVICH, VINS VIKTOR VIL'GEL'MOVICH, VIZHANKOV EVGENIJ MIKHAJLOVICH, USANOV ALEKSEJ ANATOL'EVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	FIELD: chemistry. ^ SUBSTANCE: present invention can be used in hydraulic systems of aviation equipment with operating temperature ranging from minus 60°C to plus 175°C. The fluid contains, in wt %: 2,6-di-tert-butyl paracresol 0.3-0.5; phenyl-alpha-naphthylamine 0.2-0.5; tricresyl phosphate 1-3; thermostable dioctyl sebacate 9.6-19.5; polyalphaolefins with 1.7-2.0 mm2/s viscosity at 100°C 34-44.3; polyakyl siloxane liquid with viscosity 14 - 16 mm2/s at 100°C 9.4-48.1. ^ EFFECT: improved thermal-oxidative stability, viscosity characteristics at sub-zero temperatures, and increased maximum operation temperature. ^ 2 tbl