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US 8,468,969 B2Granted
Dimensionally stable durable thermal spray masking system
AssigneeUnited Technologies Corporation
InventorsCharles R Beaudoin, Donn R Blankenship, Christopher W Strock
Life of this patent
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Abstract
A masking system protects portions of a part, such as a turbine engine component, to be coated. The masking system has a base, a conduit positioned on said base, a part to be coated being positioned over the conduit, and an annular plate positioned over the conduit and resting on a first portion of the part.
Claims12
A masking system for protecting portions of a turbine engine component being coated comprising:
- a central conduit positioned on a base;
- a central support column positioned on said base, said central support column abutting said central conduit;
- a turbine engine component having a plurality of airfoils positioned over said central conduit and in contact with said central support column;
- means for reducing overspraying adhering to said airfoils;
- and
- a top mask for protecting a first portion of said turbine engine component from being coated and a lower mask mounted on an annular tube for protecting said airfoils from being coated.
3 more elements
Dependencies are inferred from the claim text.