Blade outer air seal hybrid casting core
AssigneeUnited Technologies Corporation
InventorsSusan M. Tholen, Dominic J. Mongillo, Paul M. Lutjen, James N. Knapp, Virginia L. Ross, Jonathan J. Earl, Eric A. Hudson
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Abstract
A hybrid sacrificial core for forming an impingement space and an internal cooling passageway network separate from the impingement space of a part may comprise a ceramic core having a first surface portion for forming the impingement space, and a refractory metal core that forms a plurality of passages of the internal cooling passageway network.
Claims12
A hybrid sacrificial core for forming an impingement space and an internal cooling passageway network separate from the impingement space of a part, the core comprising:
- a ceramic core having a first surface portion for forming the impingement space, wherein the ceramic core is comprised of at least two separate distinct parts;
- and
- a refractory metal core that forms a plurality of passages of the internal cooling passageway network.
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Dependencies are inferred from the claim text.