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2 442 050

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(51)

IPC

F16J15/447(2006-01-01)

(21) (22)

Application

2010138987/06, 2010-09-22

(24)

Start date

2010-09-22

(22)

Actual filing date

2010-09-22

(45)

Published

2012-02-10

(72)

Inventor

Drozdenko Viktor NikolaevichGejkin Valerij AleksandrovichGimaev Nasikh ZijatdinovichDenisov 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)

COMPACT FINGER SEALING Russian patent published in 2012 - IPC F16J15/447

Abstract RU 2442050 C1

FIELD: machine building.

SUBSTANCE: invention belongs to the sphere of engine-building and can be used in the designs of gas-turbine engines for sealing of annular slits between the stator and rotor. Finger sealing includes at least two adjoining annular parts which have annular body of fingers. The fingers are made by means of slots in each annular part. The slots are made in a way that fingers have free ends to cover the surface of sealing drum. Annular parts are arranged with angular deflection in a way that fingers of each annular part overlap the slots of adjoining annular part. Each annular part has an integral rim. External diameter of each rim exceeds the circle diameter going through the beginning of slots for no more than 10 mm.

EFFECT: decrease of radial external dimensions and improvement of finger sealing properties.

3 cl, 4 dwg

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RU 2 442 050 C1

Authors

Drozdenko Viktor Nikolaevich

Gejkin Valerij Aleksandrovich

Gimaev Nasikh Zijatdinovich

Denisov Anatolij Jakovlevich

Zajtsev Aleksandr Nikolaevich

Zubarev Gennadij Ivanovich

Ivakh Aleksandr Fedorovich

Mannapov Al'Bert Raisovich

Pavlinich Sergej Petrovich

Dates

2012-02-10—Published

2010-09-22—Filed