Process to cast seal slots in turbine vane shrouds
AssigneeUnited Technologies Corporation
InventorsRonald R. Gagnon, Jr., John R. Farris, Eric A. Hudson
Life of this patent
Estimating the term…
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.
Claims11
1-15. (canceled)
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 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 core plate having a mating portion which fits into said first slot.
25-35. (canceled)
Dependencies are inferred from the claim text.