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US 2015/0030443 A1Published application
Split damped outer shroud for gas turbine engine stator arrays
AssigneeUnited Technologies Corporation
InventorsCarl S. Richardson, Mark J. Rogers, Jonathan J. Earl, Kenneth E. Carman, Richard K. Hayford
Life of this patent
Estimating the term…
Abstract
A vane cluster includes a split damped outer shroud and an inner shroud spaced from the split damped outer shroud with a multiple of stator vane airfoils that extend between the split damped outer shroud and the inner shroud.
Claims20
A vane cluster, comprising:
- a split damped outer shroud;
- an inner shroud spaced from said split damped outer shroud;
- and
- a multiple of stator vane airfoils that extend between said split damped outer shroud and said inner shroud.
1 more element
A method of damping a stator array in a gas turbine engine, the method comprising:
- locating a multiple of split cuts in a split damped outer shroud to provide relative frictional movement between each of a multiple of stator vane airfoils;
- and
- locating a spacer key adjacent each of said split cuts.
Dependencies are inferred from the claim text.