CPC F01D 5/18 (2013.01) [F05D 2220/32 (2013.01); F05D 2230/237 (2013.01); F05D 2240/30 (2013.01); F05D 2240/55 (2013.01); F05D 2260/20 (2013.01)] | 20 Claims |
1. A pre-sintered preform (PSP) sealing device for a metered passage of a turbine component, the PSP sealing device comprising:
a sealing body made of a pre-sintered preform (PSP) material, the sealing body having an opening defined therethrough having a first cross-sectional area, and the sealing body having an outer dimension configured to position the sealing body in the metered passage of the turbine component; and
a hollow member fixed within the opening defined through the sealing body, the hollow member having a second cross-sectional area smaller than the first cross-sectional area of the opening,
wherein the hollow member is made of a material having a melt temperature higher than a melt temperature of the PSP material.
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