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1. (WO2017148916) LAYER SYSTEM HAVING A COATING RECESS ON COOLING AIR HOLES OF TURBINE BLADES

Pub. No.:    WO/2017/148916    International Application No.:    PCT/EP2017/054597
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Wed Mar 01 00:59:59 CET 2017
IPC: F01D 5/28
Applicants: SIEMENS AKTIENGESELLSCHAFT
Inventors: AHMAD, Fathi
MENKE, Christian
VOSS, Christian
Title: LAYER SYSTEM HAVING A COATING RECESS ON COOLING AIR HOLES OF TURBINE BLADES
Abstract:
The spallation behavior of a TBC is significantly improved by means of a special recess around cooling air holes (11`, 11``,...), in which an enveloping recess (13`, 13``) and a strip-shaped depression (8), which connects the enveloping recesses to each other, are provided.