Patent · US Active

Method and device for repairing a damaged blade tip of a turbine blade which is armor-plated and provided with a blade coating

US11566524B2 · kind B2 · utility

0Cited by

9References

20Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Frank Seidel · Schnaittenbach, DE
Nils Weidlich · Neustadt, DE

Key dates

Filing date	Jan 31, 2018
Grant date	Jan 31, 2023
Priority date	—
Expiry date	Mar 11, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2300/506
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a method for repairing a damaged blade tip of a turbine blade which is armor-plated and provided with a blade coating, of a thermal gas turbine. The method according to the invention comprises the steps of removing a blade tip armor plating of the turbine blade at least in the region of the damaged blade tip and producing a repair surface (12), removing only a part of the blade coating of the turbine blade in the region of the repair surface while preserving a part of the blade coating separated from the repair surface (14), restoring the blade tip reinforcement (20), and restoring the blade coating in the region of the repaired blade tip (22). The invention furthermore relates to a device for carrying out such a method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.