LABYRINTH SEAL FOR RADIAL GAP OF TURBOMACHINE Russian patent published in 1995 - IPC

Abstract RU 2033527 C1

FIELD: aircraft gas-turbine engines. SUBSTANCE: labyrinth seal has cellular member 2 positioned on stator 1 and ridges 4 positioned on rotor 3 of a turbomachine arranged to define ring grooves 5 between them. The thickness of the ridges are equal to the diameter of the circumference inscribed in the cell of the cellular member 2. The outer surface of each ridge 4 is cogged to define ring grooves 6 between the cogs. EFFECT: enhanced reliability. 2 cl, 8 dwg

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RU 2 033 527 C1

Authors

Kuznetsov V.A.

Tunkin A.I.

Fadeev S.I.

Jazev V.M.

Dates

1995-04-20—Published

1992-02-24—Filed