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2 285 717

(13)

C1

(51)

IPC

C10M159/04(2006-01-01)

C10M107/50(2006-01-01)

C10M101/02(2006-01-01)

C10N40/08(2006-01-01)

(21) (22)

Application

2005112888/04, 2005-04-28

(24)

Start date

2005-04-28

(22)

Actual filing date

2005-04-28

(45)

Published

2006-10-20

(72)

Inventor

Gruntenko Gennadij StepanovichTrofimov Evgenij Vasil'EvichSobolevskaja Ljudmila ViktorovnaNazarova Dianara Vasil'EvnaKovalenko Susanna Il'InichnaNazarova Tat'Jana IosifovnaKonakova Svetlana Aleksandrovna

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju MpObshchestvo S Ogranichennoj Otvetstvennost'Ju Npo

WORKING LIQUID FOR GAS PIPELINE HYDRAULIC SYSTEM Russian patent published in 2006 - IPC C10M159/04 C10M107/50 C10M101/02 C10N40/08 

Abstract RU 2285717 C1

FIELD: materials for hydraulic systems.

SUBSTANCE: invention relates to working liquids used in hydraulic systems, among them, for hydraulic systems in locking equipment in gaseous main lines. Proposed liquid contains the following components, wt.-%: polymethylsiloxane liquid, 40-60; petroleum high-boiling fraction with boiling point 320-352°C as an organic additive, 8-10, and petroleum fraction with boiling point 165-315°C, the balance, up to 100. Invention provides enhancing work resource of locking equipment up to 250 switching cycles and with a single filling with liquid, improving low-temperature properties and capacity for foam quenching in the system.

EFFECT: improved and valuable properties of liquid.

2 tbl, 8 ex

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RU 2 285 717 C1

Authors

Gruntenko Gennadij Stepanovich

Trofimov Evgenij Vasil'Evich

Sobolevskaja Ljudmila Viktorovna

Nazarova Dianara Vasil'Evna

Kovalenko Susanna Il'Inichna

Nazarova Tat'Jana Iosifovna

Konakova Svetlana Aleksandrovna

Dates

2006-10-20—Published

2005-04-28—Filed

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