Build-up strategy for a crown base of a turbine blade, and turbine blade

US10458250B2 · kind B2 · utility

Assignees

• Siemens Aktiengesellschaft · DE
• Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

• Nikolai Arjakine · Berlin, DE
• Georg Bostanjoglo · Berlin, DE
• Bernd Burbaum · Falkensee, DE
• Andres Gasser · Aachen, DE
• Stefanie Linnenbrink · Kreuzau, DE
• Andre Mehlhorn · Berlin, DE
• Frank Mentzel · Aachen, DE
• Michael Ott · Wetter (Ruhr), DE
• Norbert Pirch · Aachen, DE

Key dates

• Filing date: Oct 1, 2015
• Grant date: Oct 29, 2019
• Expiry date: Jun 11, 2036

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2230/80
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

Applying material along parallel welding lines per welding layer, and changing a direction of extension of the welding tracks by 90° for the next welding layer, is provided.