Gas turbine stationary shroud seals

Details Gas turbine stationary shroud seals Gas turbine stationary shroud seals

1974-10-07

1976-03-30

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

With runner having corrosion resistant or nonmetallic portion

415138, 415219R, F01D 902, F01D 904

Patent

active

039471454

ABSTRACT:
A seal is provided between adjacent stationary annular shroud members in a gas turbine. The shroud members have an axially directed gap disposed between their adjoining ends. Each adjoining end of each stationary shroud has a shoulder arrangement which provides support for a seal disposed across the gap. The shoulders on the ends of the shrouds provide restraint against radially inwardly directed dislocation, and a blade ring which supports the shroud members themselves, provides restraint against axial and radially outwardly directed dislocation. The seal prevents escape of hot motive fluid from the generally axially directed working fluid flow path.

REFERENCES:
patent: 3393894 (1968-07-01), Redsell
patent: 3519366 (1970-07-01), Campbell
patent: 3542483 (1970-11-01), Gagliardi
patent: 3728041 (1973-04-01), Bertelson
patent: 3752598 (1973-08-01), Bowers et al.

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