Refractory metal core assembly
AssigneeUnited Technologies Corporation
InventorsRonald R. Gagnon, Jr., John R. Farris, Eric A. Hudson
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Abstract
A process for casting a turbine engine component is provided. The process comprises the steps of placing a refractory core assembly comprising two intersecting plates in a die, encapsulating the refractory core assembly in a wax pattern having the form of the turbine engine component, forming a ceramic shell mold about the wax pattern, removing the wax pattern, and pouring molten material into the ceramic shell mold to form the turbine engine component.
Claims9
A refractory metal core assembly for use in casting a seal slot in a turbine vane shroud, said refractory metal core assembly comprising:
- a first refractory metal core plate having a first surface and a second surface opposed to said first surface;
- a first slot in said second surface;
- and
- a second refractory metal core plate having a mating portion which fits into said first slot.
Dependencies are inferred from the claim text.