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2 425 271

(13)

(51)

IPC

F16J15/447(2006-01-01)

(21) (22)

Application

2009141810/06, 2009-11-13

(24)

Start date

2009-11-13

(22)

Actual filing date

2009-11-13

(45)

Published

2011-07-27

(72)

Inventor

Drozdenko Viktor NikolaevichGejkin Valerij AleksandrovichGimaev Nasikh ZijatdinovichGorjachev Aleksej VladimirovichDenisov Anatolij JakovlevichZajtsev Aleksandr NikolaevichZubarev Gennadij IvanovichIvakh Aleksandr FedorovichMannapov Al'Bert RaisovichPavlinich Sergej Petrovich

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Ministerstvo Promyshlennosti I Torgovli Rossijskoj Federatsii Rossii)

SEAL WITH ZIGZAG-SHAPED PINS Russian patent published in 2011 - IPC F16J15/447

Abstract RU 2425271 C1

FIELD: engines and pumps.

SUBSTANCE: pin-type seal includes annular parts adjacent to each other, each of which includes pins uniformly distributed in circumferential direction and formed by means of slots made in annular parts. At least one of annular parts has protruding platforms made as an integral part of the corresponding pins. Annular parts are installed so that pins of each annular part can cover the slots of other annular part adjacent to it. Slots and pins formed between them have zigzag shape mating to each other.

EFFECT: invention allows increasing efficiency of pin-type seal at considerable deviations of rotor during operation and improving reliability of the seal owing to better flexibility of pins.

5 dwg

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RU 2 425 271 C1

Authors

Drozdenko Viktor Nikolaevich

Gejkin Valerij Aleksandrovich

Gimaev Nasikh Zijatdinovich

Gorjachev Aleksej Vladimirovich

Denisov Anatolij Jakovlevich

Zajtsev Aleksandr Nikolaevich

Zubarev Gennadij Ivanovich

Ivakh Aleksandr Fedorovich

Mannapov Al'Bert Raisovich

Pavlinich Sergej Petrovich

Dates

2011-07-27—Published

2009-11-13—Filed