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US 2019/0337101 A1Published application
Methods and tools for use in repairing gas engine turbine blades
AssigneeUnited Technologies Corporation
InventorsWilliam Rose, Edward Mierzejewski
Life of this patent
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Abstract
A repair tool and repair method for restoring gas turbine engine blade tips to a predetermined configuration is provided. The repair tool is an electrode that includes a tool body and a number of pins. The repair tool can be used to repair turbine blade tips through an electrical discharge machining process, such as a ram- or sink-type electrical discharge machining process.
Claims9
A tool for repairing gas turbine engine blades, comprising:
- a tool body comprising a conductive material, wherein the tool body comprises a tool body predetermined shape, the tool body predetermined shape is complementary to a geometry of a tip pocket of a gas turbine engine blade;
- and
- a pin comprising a conductive material and coupled to the tool body, wherein the pin comprises predetermined shape complementary to the predetermined geometry of a hole located in the tip pocket.
Dependencies are inferred from the claim text.