Joint seal for a gas turbine engine exhaust duct

Details Joint seal for a gas turbine engine exhaust duct Joint seal for a gas turbine engine exhaust duct

1998-10-27

2000-08-29

Browne, Lynne H.

Pipe joints or couplings

Swivel

285184, F16L 2700

Patent

active

061096636

ABSTRACT:
A joint seal for articulated joints between contra-rotating sections of a gas turbine engine exhaust duct. The illustrated embodiment comprises a plurality of contra-rotatable exhaust duct sections leading to a vectorable final nozzle. The joint seal is located internally of a bearing around its inner circumference. An exhaust section may have an internal wall spaced internally from the outer wall, thus forming an annular space for conducting relatively cool air surrounding the hot gas stream. The joint seals preferably are located between adjacent ends of these inner walls.

REFERENCES:
patent: 2933891 (1960-04-01), Britt
patent: 3245693 (1966-04-01), Way
patent: 3418809 (1968-12-01), Kopp
patent: 3525475 (1970-08-01), Schweikl
patent: 3624737 (1971-11-01), Keller
patent: 4549753 (1985-10-01), Nuytten
patent: 4606561 (1986-08-01), Jackson
patent: 5156420 (1992-10-01), Bokor et al.

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