Stator blade segment of a thermal turbomachine, associated production method and also thermal turbomachine

US8128357B2 · 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: Feb 21, 2007
• Grant date: Mar 6, 2012
• Expiry date: Sep 23, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49323
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a guide blade segment of a thermal turbomachine, in particular a gas turbine, comprising a number of profiled blades which are arranged on a platform. A plurality of securing elements for securing the guide blade segment to an associated guide blade support are arranged on the side of the platform which is oriented away from the blade. The aim of the invention is to provide a guide blade segment which can be produced in a simple and economical manner avoiding casting problem areas enabling the guide blade segment to be attached in a particularly reliable and secure manner to the associated guide blade support. According to the invention, at least one section of at least one of the securing elements is a separately produced component which is rigidly connected to the platform or to an additional section of the securing element.