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US 8,025,730 B2Granted
Apparatus and method for coating internal surfaces of a turbine engine component
AssigneeUnited Technologies Corporation
InventorsMark A. Livings, Walter E. Olson
Life of this patent
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Abstract
A coating apparatus for coating interior surfaces of internal passages of a workpiece, such as a turbine engine component is provided. The coating apparatus comprises a vessel defining an internal space, a plate dividing the internal space into a first chamber and a second chamber, a divider supporting the plate, and the plate having at least one cut-out for receiving a portion of the workpiece having the internal passages to be coated.
Claims11
A coating apparatus comprising:
- a vessel defining an internal space;
- a plate dividing the internal space into a first chamber and a second chamber;
- a divider supporting said plate and dividing said first chamber into a first compartment and a second compartment;
- said first compartment having at least one hole for allowing an inert gas to flow out of said first chamber;
- a generator for generating a coating gas, said generator being positioned within said second compartment;
- and
- said plate having at least one cut-out for receiving a portion of a work-piece having at least one internal passage to be coated;
- wherein each of said side walls has a shoulder portion and said plate is supported by said shoulder portion.
5 more elements
Dependencies are inferred from the claim text.