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US 2025/0026092 A1Published application
Turbine Engine Erosion Coating Repair
AssigneeRtx Corporation
InventorsJohn Michael Harner, Sonia A. Martinez, David J. Mathiau, Jr., Peter George Miner
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Abstract
A patch has: a silicone body; a primer on an underside of the body; a silicone adhesive on the primer; and a release strip on the adhesive. The body has a plurality of perforations.
Claims20
A patch comprising:
- a silicone body;
- a silicone adhesive;
- and
- a release strip on the adhesive,
- wherein the body has a plurality of perforations.
2 more elements
A method for manufacturing a patch, the method comprising:
- applying a silicone patch material to a first release ply;
- perforating the silicone patch material;
- applying a primer to the perforated patch material;
- applying an adhesive to a second release strip;
- marrying the primed perforated silicone patch material to the adhesive.
2 more elements
A method for patching a damaged polymeric erosion coating on a gas turbine engine component using a patch having a partially perforated patch material, the method comprising:
- removing a portion of the coating around a damage site;
- priming the component;
- applying the patch to the component;
- and
- rolling the patch with a roller, trapped air venting through the perforations.
2 more elements
Dependencies are inferred from the claim text.