SEALING DEVICE BEHIND COMPRESSOR OF GAS- TURBINE ENGINE Russian patent published in 2002 - IPC

Abstract RU 2179648 C2

FIELD: mechanical engineering; gas-turbine engines. SUBSTANCE: proposed sealing device has labyrinth with hub connected by splines with compressor shaft. Plate of hub consists of two sections differing in thickness. Bulge is found between sections in hub plate. Radius of bottom of hub spline spaces is 0.45 - 0.5 of space width. EFFECT: increased reliability of sealing device by reduction of level of stresses in labyrinth hub. 3 dwg

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RU 2 179 648 C2

Authors

Inozemtsev A.A.

Tunkin A.I.

Chernavin A.A.

Kuznetsov V.A.

Dates

2002-02-20—Published

2000-04-28—Filed