Variable stator vane bushings and washers

Details Variable stator vane bushings and washers Variable stator vane bushings and washers

2007-01-16

2007-01-16

Edgar, Richard A. (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

C415S200000

Reexamination Certificate

active

11325011

ABSTRACT:
A variable stator vane assembly for use in a compressor section of a turbine engine having a plurality of movable metallic stator vanes and a method for making a variable stator vane assembly. The variable stator vane assembly includes a metallic stator casing supporting the vanes and a bushing system positioned between the stator vanes and the stator casings. The bushing system includes a bushing fabricated from a material selected from the group consisting of metal, ceramic or combinations thereof. The variable stator vane further including a titanium nitride wear coating disposed on a surface of the vanes in contact with the bushing system.

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