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(11)

2 216 669

(13)

(51)

IPC

(21) (22)

Application

2001103936/06, 2001-02-12

(24)

Start date

2001-02-12

(22)

Actual filing date

2001-02-12

(45)

Published

2003-11-20

(72)

Inventor

Strelets Vladimir NikolaevichPokhil'Chuk Igor' AleksandrovichBunjak Ljubomir Konstantinovich

(73)

Holder

Oao

END SEAL Russian patent published in 2003 - IPC

Abstract RU 2216669 C2

FIELD: sealing units for revolving shafts of pumps, machines and equipment; chemical and oil- refining industries. SUBSTANCE: screen filter in form of toroidal ring, for example is mounted above joint of friction ring, thus reducing possibility of penetration of solid particles into joint of friction rings and consequently excluding damage to friction pair, increase of clearance in friction pair and choking of axial passages. EFFECT: enhanced reliability. 3 dwg

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RU 2 216 669 C2

Authors

Strelets Vladimir Nikolaevich

Pokhil'Chuk Igor' Aleksandrovich

Bunjak Ljubomir Konstantinovich

Dates

2003-11-20—Published

2001-02-12—Filed