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RU

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2 303 625

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C1

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IPC

C10M161/00(2006-01-01)

C10M143/08(2006-01-01)

C10M137/04(2006-01-01)

C10M107/10(2006-01-01)

C10M105/36(2006-01-01)

C10M133/12(2006-01-01)

C10M129/10(2006-01-01)

C10N40/04(2006-01-01)

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Application

2006129345/04, 2006-08-14

(24)

Start date

2006-08-14

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Actual filing date

2006-08-14

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Published

2007-07-27

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Inventor

Nazarova Tat'Jana IosifovnaLejkand Matvej AbramovichMikheichev Pavel AlekseevichStoljarov Igor' EhduardovichShkol'Nikov Viktor MarkovichPitomits Nikolaj FedorovichPoljakov Sergej Jur'Evich

(73)

Holder

Nazarova Tat'Jana Iosifovna

LUBRICATING COMPOSITION FOR FEATHERING HINGES OF HELICOPTER ROTORS Russian patent published in 2007 - IPC C10M161/00 C10M143/08 C10M137/04 C10M107/10 C10M105/36 C10M133/12 C10M129/10 C10N40/04 

Abstract RU 2303625 C1

FIELD: oil refining and petrochemistry; lubricating compositions for feathering hinges of helicopter rotors.

SUBSTANCE: proposed lubricating composition contains the following components, mass-%: additives, 0.5-2.5; diisoctyl sebacate, 10-30; polyalphaolefine oil at kinematic viscosity of 1500-2500 mm2/s at 100C, 3-10; the remainder being polyalphaolefine oil at kinematic viscosity of 20-25 mm2/s at 100C. Lubricating composition contains anti-oxidants - amine and phenol additives and antiwear additive of base of aryl phosphate. Anti-oxidants and antiwear additive are taken at mass ratio of 1:1-2.

EFFECT: improved service characteristics of helicopters in hot climates.

2 tbl

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RU 2 303 625 C1

Authors

Nazarova Tat'Jana Iosifovna

Lejkand Matvej Abramovich

Mikheichev Pavel Alekseevich

Stoljarov Igor' Ehduardovich

Shkol'Nikov Viktor Markovich

Pitomits Nikolaj Fedorovich

Poljakov Sergej Jur'Evich

Dates

2007-07-27—Published

2006-08-14—Filed

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