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US 2024/0175368 A1Published application
Seal slot with coating
AssigneeRaytheon Technologies Corporation
InventorsRaymond Surace, Robert A. White, III, Howard J. Liles, Bryan P. Dube
Life of this patent
Estimating the term…
Abstract
A method of coating a seal slot includes applying a coating to a slot in a component and machining the coating to provide an open height configured to receive a seal. After the machining a surface roughness of the coating is less than about 100 ra. A scaling assembly is also disclosed.
Claims29
A method of coating a seal slot, comprising:
- applying a coating to a slot in a component;
- machining the coating to provide an open height configured to receive a seal, such that a ratio of a thickness of the coating to the open height is less than or equal to about 2, and wherein after the machining a surface roughness of the coating is less than about 100 ra;
- and
- wherein the seal is ceramic.
1 more element
12-23. (canceled)
The method of claim 32, wherein the seal is ceramic.
(canceled)
A method of coating a seal slot, comprising:
- applying a coating to a slot in a component;
- machining the coating to provide an open height configured to receive a seal, such that a ratio of a thickness of the coating to the open height is less than or equal to about 2, and wherein after the machining a surface roughness of the coating is less than about 100 ra;
- and
- wherein the applying includes filling in the entirety of the slot with the coating and then machining the coating to reach the open height.
1 more element
Dependencies are inferred from the claim text.