Debris filter apparatus for preventing clogging of turbine vane cooling holes
A turbine debris filter apparatus for preventing clogging of cooling holes of a turbine vane, the apparatus including a filter having non-planar geometry configured to be disposed upon a shroud of the turbine vane and a support including an interface to which the filter is attached and an opening for allowing air flow, wherein the interface is configured to receive and support the non-planar geometry and the opening is configured to align with an air inlet of the shroud.
1. A turbine vane debris filter apparatus for preventing clogging of cooling holes of a turbine vane, the apparatus comprising:
a filter comprising non-planar geometry configured to be disposed upon a shroud of the turbine vane; and
a support comprising:
an interface to which the filter is attached; and
an opening for allowing air flow;
wherein the interface is configured to receive and support the non-planar geometry and the opening is configured to align with an air inlet of the shroud; and
wherein the support comprises matching geometry to the non-planar geometry.
2. The apparatus of claim 1 , wherein the support comprises the shroud of the turbine vane.
3. The apparatus of claim 1 , wherein the support comprises an assembly plate.
4. The apparatus of claim 3 , wherein the non-planar geometry comprises at least one corrugated section.
5. The apparatus of claim 4 , wherein the matching geometry includes a first corrugated section and a second corrugated section with the opening provided between the first and second corrugated sections.
6. The apparatus of claim 1 , wherein the filter is larger in perimeter than the opening.
7. The apparatus of claim 1 , wherein the shroud complises an inner shroud.
8. The apparatus of claim 1 , wherein the shroud complises an outer shroud.
9. An existing gas turbine that is retrofitted with the apparatus according to claim 3 .
10. A debris filter apparatus configured to be attached to a shroud of a turbine vane for preventing clogging of turbine vane cooling holes comprising:
a support including non-planar geometry and an opening for allowing air flow;
wherein the non-planar geometry is configured to receive a filter having matching non-planar geometry, and the opening is configured to align with an air inlet of the shroud.
11. The apparatus of claim 10 , wherein the support comprises the shroud of the turbine vane.
12. The apparatus of claim 10 , wherein the support comprises an assembly plate.
13. The apparatus of claim 12 , wherein the non-planar geometry comprises at least one corrugated section.
14. The apparatus of claim 13 , wherein the support non-planar geometry includes a first corrugated section and a second corrugated section with the opening provided between the first and second corrugated sections.
15. The apparatus of claim 10 , wherein the filter is larger in perimeter than the opening.
16. The apparatus of claim 10 , wherein the shroud comprises an inner shroud.
17. The apparatus of claim 10 , wherein the shroud comprises an outer shroud.
18. An existing gas turbine that is retrofitted with the apparatus according to claim 12 .