Sealing apparatus for airfoils of gas turbine engines

Details Sealing apparatus for airfoils of gas turbine engines Sealing apparatus for airfoils of gas turbine engines

1996-12-19

1998-05-19

Kwon, John T.

Rotary kinetic fluid motors or pumps

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

4151744, 277 53, F04D 2908

Patent

active

057528020

ABSTRACT:
An improved airfoil tip sealing apparatus is disclosed wherein brush seals are attached to airfoil tips with the distal ends of the brush seal fibers sealingly contacting opposing wall surfaces. Embodiments for variable vanes, stators and both cooled and uncooled turbine blade applications are disclosed.

REFERENCES:
patent: 4526509 (1985-07-01), Gay, Jr. et al.
patent: 5234318 (1993-08-01), Brandon
patent: 5400586 (1995-03-01), Bagepalli et al.
patent: 5522602 (1996-06-01), Kaplo et al.
patent: 5599026 (1997-02-01), Sanders et al.
patent: 5628622 (1997-05-01), Thore et al.

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