Cast gas turbine engine cooling components
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United States of America Patent
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Jun 23, 2020
Grant Date -
Mar 15, 2018
app pub date -
Sep 13, 2016
filing date -
Sep 13, 2016
priority date (Note) -
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Abstract
An example system includes a casting mold and a casting core. The casting core includes a substrate. A plurality of support structures integral with and extending from the substrate define a plurality of channels. Respective support structures of the plurality of support structures define respective contact surfaces distal from the substrate. A sacrificial composition substantially fully fills the plurality of cooling channels and leaves the respective contact surfaces substantially uncovered. An example technique includes filling the sacrificial composition in the plurality of cooling channels, and casting a cover layer onto the respective contact surfaces of the plurality of support structures.
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