Turbine nozzle seal arrangement

Details Turbine nozzle seal arrangement Turbine nozzle seal arrangement

1992-07-09

1993-10-05

Kwon, John T.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

415135, F01D 2524

Patent

active

052499200

ABSTRACT:
A nozzle seal arrangement, for a turbine nozzle of a gas turbine engine, which impedes leakage of high pressure cooling air past the nozzle inner bands into the flow path to the outside thereof. The nozzle seal arrangement includes an annular nozzle support flange attached to and extending along the stationary support structure adjacent to the nozzle, a band flange attached to and extending along the inner band of each nozzle segment and disposed adjacent to the support flange, a continuous seal member having a W-shaped configuration in cross-section which extends circumferentially about the central axis, and an annular recess defined in the forward face of the nozzle support flange which extends circumferentially about the central axis and receives and seats the seal member at the aft side thereof.

REFERENCES:
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patent: 4537024 (1985-08-01), Grosjean
patent: 4566851 (1986-01-01), Comeau et al.
patent: 4632634 (1986-12-01), Vinciguerra et al.
patent: 4642024 (1987-02-01), Weidner
patent: 4815933 (1989-03-01), Hansel et al.
patent: 4883405 (1989-11-01), Walker
patent: 5092735 (1992-03-01), Katy et al.
patent: 5118120 (1992-06-01), Drerup et al.
patent: 5149250 (1992-09-01), Plemmons et al.
patent: 5154577 (1992-10-01), Kellock et al.

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