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2 180 415

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(51)

IPC

(21) (22)

Application

2000100082/06, 2000-01-05

(24)

Start date

2000-01-05

(22)

Actual filing date

2000-01-05

(45)

Published

2002-03-10

(72)

Inventor

Strelets Vladimir NikolaevichPokhil'Chuk Igor' AleksandrovichBunjak Ljubomir Konstantinovich

(73)

Holder

Gosudarstvennoe Aktsionernoe Obshchestvo Nefteprovody Druzhba"

END FACE SEALING Russian patent published in 2002 - IPC

Abstract RU 2180415 C2

FIELD: petroleum industry, revolution shafts of pumps, chemical apparatuses and machines. SUBSTANCE: external surfaces of ring of friction are cone-shaped at an angle α and projects over the housing and bushing. The conicity provides additional axial force F_a which presses the rings together and reduces space between the rings. EFFECT: reduced penetration of the sealing medium into the ring joint. 2 dwg

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RU 2 180 415 C2

Authors

Strelets Vladimir Nikolaevich

Pokhil'Chuk Igor' Aleksandrovich

Bunjak Ljubomir Konstantinovich

Dates

2002-03-10—Published

2000-01-05—Filed