TURBINE CONFORMABLE SEAL COMPOSITE COMPONENT Russian patent published in 2013 - IPC B22F7/06 F01D11/08 

Abstract RU 2498879 C1

FIELD: process engineering.

SUBSTANCE: invention relates to machine building, particularly, to turbo machine flow section seals operated at higher temperatures and high-frequency oscillations. Proposed composite component comprises seal unit composed of a prism of conformable powder particles glued together and secured inside metal box-like housing exposed on seal working side and sidewalls extending above seal surface. Seal unit is secured inside said box-like metal housing by welding. Said seal unit is composed of the prism with trapezoidal or rectangular cross-section with lateral thrust ledges in contact with said sidewalls to allow uniform distribution of solder in clearance between seal unit and seal unit housing.

EFFECT: high conformability, wear resistance and mechanical strength.

19 cl, 5 dwg, 1 tbl, 1 ex

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RU 2 498 879 C1

Authors

Lisjanskij Aleksandr Stepanovich

Smyslov Anatolij Mikhajlovich

Smyslov Aleksej Anatol'Evich

Mingazhev Askar Dzhamilevich

Dates

2013-11-20Published

2012-08-01Filed