Gas turbine engine feather seal arrangement

Details Gas turbine engine feather seal arrangement Gas turbine engine feather seal arrangement

1994-12-07

1996-07-02

Cuchlinski, William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

2771675, 415115, 415139, F16J 15447, F01D 904

Patent

active

055314570

ABSTRACT:
Adjacent platforms (16) have feather seals (34) in complementary slots (22). Hot grooves (40) carry cooling air across the seal and discharge it into the gap (20) between adjacent platforms. Grooves discharging from abutting surfaces are staggered and have a flow component parallel to the axial gas flow through the turbine.

REFERENCES:
patent: 3728041 (1973-04-01), Bertelson
patent: 3752598 (1973-08-01), Bowers et al.
patent: 4465284 (1984-08-01), Szema
patent: 4767260 (1988-08-01), Clevenger et al.
patent: 5167485 (1992-12-01), Starkweather
patent: 5221096 (1993-06-01), Heldreth et al.
patent: 5374161 (1994-12-01), Kelch et al.

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