Gas turbine blade seal

Details Gas turbine blade seal Gas turbine blade seal

1992-11-24

1993-07-20

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

416220R, 416500, F01D 526

Patent

active

052288358

ABSTRACT:
An underplatform damper contact portion 54 is rigid, and provides a loose seal between the underplatform cooling air 46 and the gas stream 40. At the aft end of the blade platform the pressure difference increases and a more effective seal is provided by the snap-in flexible seal 71.

REFERENCES:
patent: 3037741 (1962-06-01), Tuft
patent: 4177013 (1979-12-01), Patterson
patent: 4457668 (1984-07-01), Hallinger
patent: 4505642 (1985-03-01), Hill
patent: 4516910 (1985-05-01), Bouiller et al.
patent: 4524980 (1985-06-01), Lillibridge et al.
patent: 4872810 (1989-10-01), Brown et al.

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