Method and apparatus for improving the airsealing effectiveness

Details Method and apparatus for improving the airsealing effectiveness Method and apparatus for improving the airsealing effectiveness

1996-12-20

1998-01-06

Kwon, John T.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

415230, 277 53, F04D 2908

Patent

active

057047600

ABSTRACT:
A gas turbine engine having coannular components 22, 30 includes means for receiving and retaining a replaceable brush seal 60 so that the seal bristles impede the leakage of air through an intercomponent gap 41. In the preferred embodiment one of the components is a hollow, cylindrical barrel 30 comprising upper and lower barrel segments and the receiving and retaining means includes a retainer 52. The retainer cooperates with the barrel to define a groove 56 within which the brush seal is trapped radially and axially. The brush seal slides circumferentially within the groove to facilitate seal installation and removal.

REFERENCES:
patent: 4209268 (1980-06-01), Fujiwana et al.
patent: 5074748 (1991-12-01), Hagle
patent: 5114159 (1992-05-01), Baird et al.
patent: 5181728 (1993-01-01), Stec
patent: 5201530 (1993-04-01), Kelch et al.
patent: 5480165 (1996-01-01), Flower
patent: 5501573 (1996-03-01), Sanders
patent: 5522698 (1996-06-01), Butler et al.

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