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US 2019/0186281 A1Published application
Compressor abradable seal with improved solid lubricant retention
AssigneeUnited Technologies Corporation
InventorsPantcho Stoyanov, Christopher W. Strock, Kevin Seymour
Life of this patent
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Abstract
An air seal in a gas turbine engine includes a substrate. A bond coating layer is adhered to the substrate. An abradable layer is adhered to the bond coating layer. The abradable layer comprises a metal matrix discontinuously filled with a lubricious oxide solid lubricant filler.
Claims15
A seal comprising:
- an abradable layer, the abradable layer comprising a metal matrix discontinuously filled with a lubricious oxide solid lubricant filler.
A gas turbine engine comprising:
- a first structure;
- a second structure rotatable relative to the first structure, wherein one of the first structure and second structure comprises a substrate;
- and
- an abradable layer adhered to the substrate, the abradable layer comprising a metal matrix discontinuously filled with a lubricious oxide solid lubricant filler.
1 more element
A method of manufacturing a gas turbine engine air seal comprising:
- depositing an abradable coating onto a substrate, the abradable coating comprising a metal matrix discontinuously filled with a lubricious oxide solid lubricant filler.
Dependencies are inferred from the claim text.