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US 10,094,220 B2Granted
Turbine engine repair methods
AssigneeUnited Technologies Corporation
InventorsJohn H. Vontell, Sr., Charles R. Watson
Life of this patent
Estimating the term…
Abstract
A method for patching a damaged polymeric erosion coating (250) on a gas turbine engine component. The method comprises removing a portion of the coating around a damage site (200; 202; 204) and applying a pre-formed coating patch (220).
Claims13
A method for patching a damaged polymeric erosion coating (250) on a gas turbine engine component, the method comprising:
- removing a portion of the coating around a damage site (200;
- 202;
- 204);
- and
- applying a pre-formed coating patch (220);
- wherein the patch comprises:
- a molded cured silicone body;
- a silane primer on an underside of the body;
- a silicone adhesive on the primer;
- and a release strip on the adhesive, the method comprising removing the release strip before applying the patch.
7 more elements
A patch (220) comprising:
- a molded cured silicone body (227);
- a silane primer (224) on an underside of the body;
- a silicone adhesive on the primer (226);
- and
- a release strip on the adhesive (228).
2 more elements
A method for manufacturing a patch comprising a silicone body;
- a silane primer on an underside of the body;
- a silicone adhesive on the primer;
- and a release strip on the adhesive, the method comprising:
- molding and curing the body;
- preparing the underside by mechanical abrasion or plasma treating;
- applying the primer to the underside after the preparing;
- and
- applying the adhesive to the primer.
5 more elements
Dependencies are inferred from the claim text.