Flex seal for gas turbine expansion joints

Details Flex seal for gas turbine expansion joints Flex seal for gas turbine expansion joints

1997-12-10

2000-05-23

Arola, Dave W.

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

277555, 277576, 277903, 285 13, 285223, 285187, 285917, F16J 1502

Patent

active

060657561

ABSTRACT:
An expansion joint seal between a gas turbine exhaust duct and an axially adjacent exhaust ductwork comprising plural layers of axially adjacent layers of flexible seal plates, each layer comprising a plurality of arcuate segments which together form a 360.degree. annulus; and further wherein the plural layers of flexible seal plates are secured at one end to the gas turbine exhaust duct, with opposite ends of the seal plates slidably engaged with at least one surface of the exhaust ductwork.

REFERENCES:
patent: 3721460 (1973-03-01), Holman et al.
patent: 3960381 (1976-06-01), Piotrowski
patent: 4318668 (1982-03-01), Chaplin et al.
patent: 4433848 (1984-02-01), Williams
patent: 4791980 (1988-12-01), Gagar
patent: 4961588 (1990-10-01), Brienza
patent: 5462290 (1995-10-01), Alday
patent: 5474306 (1995-12-01), Bagepalli et al.
patent: 5657998 (1997-08-01), Dinc et al.
patent: 5876042 (1999-03-01), Graf et al.

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