Vane assembly for a gas turbine

Details Vane assembly for a gas turbine Vane assembly for a gas turbine

1988-11-09

1990-03-20

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

415116, 415135, F04D 2956

Patent

active

049097083

ABSTRACT:
A nozzle vane assembly for a gas turbine exhibits a number of circumferentially spaced vanes connected to a shroud. A second, concentric shroud is arranged separately and urged axially against the unrestrained ends of the vanes through a spring loaded clamping device. This arrangement serves to alleviate thermal stresses and thermal fatigue in the vane assembly.

REFERENCES:
patent: 3520635 (1970-07-01), Killmann et al.
patent: 4305696 (1981-12-01), Pask
patent: 4512158 (1985-04-01), Striebel et al.
patent: 4721434 (1988-01-01), Marshall et al.
European patent, Jan. 1988, EP. 253, 994.
PCT WO82/01033, Apr. 1982.
PCT WO87/06981, Nov. 1987.

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