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US 7,967,555 B2Granted
Process to cast seal slots in turbine vane shrouds
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.
Claims12
A turbine engine component comprising:
- an inner shroud ring;
- an outer shroud ring;
- a plurality of airfoils extending between said inner and outer shroud rings;
- and
- at least one as-cast slot and at least one split line being present in only one of said shroud rings, said at least one split line creating at least two non-overlapping segments in said one shroud ring.
2 more elements
Dependencies are inferred from the claim text.