Brush seal for stator of a gas turbine engine case

Details Brush seal for stator of a gas turbine engine case Brush seal for stator of a gas turbine engine case

1995-11-30

1997-06-17

Kwon, John T.

Rotary kinetic fluid motors or pumps

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

Between axial flow runner and vane or vane diaphragm structure

4151742, F01D 900

Patent

active

056392117

ABSTRACT:
The inner shroud removably fitted to the foot of the vanes in the stator of the compressor section of a gas turbine engine is designed to support a radial brush seal for sealing the adjacent rotor from the engines's hot gases adjacent the foot of the vanes. The shroud supports a spring damper and this assembly relative to the foot of the stator is critically dimensioned so that the hooks formed in the foot of the stator and in the shroud allow the shroud assembly to be positioned radially and moved axially to be locked into place. A retainer ring circumferentially fitted into the shroud holds the assembly. This allows for easy installation and removal.

REFERENCES:
patent: 4820119 (1989-04-01), Joyce
patent: 4897021 (1990-01-01), Chaplin et al.
patent: 5114159 (1992-05-01), Baird et al.
patent: 5346362 (1994-09-01), Bonner et al.

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