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(19)

(11)

2 479 771

(13)

(51)

IPC

F16J15/34(2006-01-01)

(21) (22)

Application

2012105148/06, 2012-02-15

(24)

Start date

2012-02-15

(22)

Actual filing date

2012-02-15

(45)

Published

2013-04-20

(72)

Inventor

Livshits Naum MikhajlovichMaksimov Valerij ArkhipovichKhajsanov Vladimir Konstantinovich

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo I Konstruktorskij Institut Tsentrobezhnykh I Rotornykh Kompressorov Im. V.B. Shneppa"

END SEAL Russian patent published in 2013 - IPC F16J15/34

Abstract RU 2479771 C1

FIELD: machine building.

SUBSTANCE: end seal includes a rotating ring installed tightly on the shaft and contacting a non-rotating ring so that a friction pair is formed. The non-rotating ring is installed in the housing and spring-loaded in the direction of the rotating ring relative to an annular piston installed in an annular slot of the housing interconnected with system of working medium supply under pressure. The supply system includes pressure controls related to a temperature sensor installed in the friction pair and an oil pump.

EFFECT: improving reliability of the seal owing to excluding formation of increased temperature in friction pair.

4 cl, 1 dwg

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RU 2 479 771 C1

Authors

Livshits Naum Mikhajlovich

Maksimov Valerij Arkhipovich

Khajsanov Vladimir Konstantinovich

Dates

2013-04-20—Published

2012-02-15—Filed