Patent Number: 8,721,270

Title: Passage wall section for an annular flow passage of an axial turbomachine with radial gap adjustment

Abstract: A passage wall section of an annular flow passage of an axial turbomachine is provided. A guide ring has a first toothing arrangement which is in contact with a second toothing arrangement arranged on a sidewall of a circumferential groove which accommodates the guide ring, wherein for axial displacement of the displaceable guide ring, the guide ring is rotatable in a circumferential direction.

Inventors: Graefe; Richard (Dusseldorf, DE), Kaufmann; Carsten (Mulheim a.d. Ruhr, DE), Labisch; Rafael (Essen, DE), Link; Marco (Duisburg, DE), Schneider; Oliver (Wesel, DE)

Assignee: Siemens Aktiengesellschaft

International Classification: F01D 11/22 (20060101)

Expiration Date: 5/13/12018