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2 355 742

(13)

(51)

IPC

C10M171/02(2006-01-01)

C10M107/50(2006-01-01)

C10M101/02(2006-01-01)

C10N40/08(2006-01-01)

(21) (22)

Application

2007142915/04, 2007-11-22

(24)

Start date

2007-11-22

(22)

Actual filing date

2007-11-22

(45)

Published

2009-05-20

(72)

Inventor

Zajtsev Georgij Evgen'EvichDemchenko Anatolij Ignat'EvichKolesov Viktor Vasil'EvichTrufanov Aleksandr GavrilovichGeorgiev Anatolij PavlovichKopytov Jurij Vladimirovich

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo Kompanija

OPERATING FLUID USED FOR HYDRAULIC SYSTEMS Russian patent published in 2009 - IPC C10M171/02 C10M107/50 C10M101/02 C10N40/08

Abstract RU 2355742 C1

FIELD: engineering industry.

SUBSTANCE: invention is used in automatic control systems of hydraulic drives of different constructions. Fluid consists of the following, wt %: polydimethylsiloxane fluids with viscosity of 20 to 200 mm²/s 27-60 and oil fractions of the Troitsko-Anastasievsky field with boiling point of 165 to 370°C 40-73.

EFFECT: improving reliability and response time of automatic systems owing to high rheological and lubricating properties of operating fluid, providing high operating performance for hydraulic systems in any climatic zone of Russia (70°C below zero to 70°C above zero) and at increased operating temperatures (up to 130°C).

2 tbl, 8 ex

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RU 2 355 742 C1

Authors

Zajtsev Georgij Evgen'Evich

Demchenko Anatolij Ignat'Evich

Kolesov Viktor Vasil'Evich

Trufanov Aleksandr Gavrilovich

Georgiev Anatolij Pavlovich

Kopytov Jurij Vladimirovich

Dates

2009-05-20—Published

2007-11-22—Filed