Turbine blade for a turbine with a cooling medium passage

US8021118B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Katharina Bergander · Berlin, DE
• Georg Bostanjoglo · Berlin, DE
• Tobias Buchal · Mülheim an der Ruhr, DE
• Winfried Eβer · Bochum, DE
• Dirk Goldschmidt · Moers, DE
• Torsten Koch · Oberhausen, DE
• Rudolf Küperkoch · Essen, DE
• Thorsten Mattheis · Bad Hersfeld, DE
• Jan Münzer · Berlin, DE
• Ralf Müsgen · Essen, DE
• Matthias Oechsner · Wetter (Ruhr), DE
• Ursula Pickert · Wetter (Ruhr), DE
• Volker Vosberg · Wetter (Ruhr), DE

Key dates

• Filing date: Oct 16, 2007
• Grant date: Sep 20, 2011
• Expiry date: Jul 20, 2030

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2260/36
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A turbine blade for a turbine of a thermal power plant, with a platform for partial delimiting of a flow passage in the turbine, wherein the platform has at least one cooling medium passage, which extends inside the platform, for guiding a cooling medium, is characterized according to the invention in that the at least one cooling medium passage emerges from the platform at at least two connecting openings, and the turbine blade has at least one supplementary component which can be fastened on the platform, with a communicating passage, which is designed for interconnecting the connecting openings in a fluid-guiding manner.