Brazing plug, component of a gas turbine and method

US12385416B2 · kind B2 · utility

Assignee

• Siemens Energy Global GmbH & Co. KG · DE

Inventors

• Thomas O. Nagel · Rockford, US
• Ingo Reinkensmeier · Fritzlar, DE
• Harald Krappitz · Kirchheim unter Teck, DE
• Jane Awayes · Berlin, DE
• Michael Stemmler · Düsseldorf, DE
• Sheik Minhaz Uddin · Eßlingen, DE

Key dates

• Filing date: Sep 9, 2022
• Grant date: Aug 12, 2025
• Expiry date: Sep 9, 2042

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2300/175
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A plug for brazing in a through-hole and for sealing a through-hole in a substrate of a gas turbine component. The plug has at least one elongate part and a head, wherein the head is made wider in cross section than the elongate part. The elongate part has a cross section which becomes smaller towards its end face along its longitudinal axis, wherein the elongate part has a peripheral region on its end face, wherein the peripheral region of the elongate part has a brazing filler metal. The head has a peripheral region on its end face, wherein the peripheral region of the head has a brazing filler metal, and the remaining and largest part of the elongate part and of the head has a mixture of brazing filler metal and a substrate material.