(19)
(11) EP 3 412 867 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
14.02.2024 Bulletin 2024/07

(45) Mention of the grant of the patent:
03.01.2024 Bulletin 2024/01

(21) Application number: 17174866.8

(22) Date of filing: 07.06.2017
(51) International Patent Classification (IPC): 
F01D 5/18(2006.01)
(52) Cooperative Patent Classification (CPC):
F01D 5/186; F01D 5/187; F05D 2260/22141

(54)

COOLED GAS TURBINE BLADE

GEKÜHLTE GASTURBINENSCHAUFEL

AUBE REFROIDIE DE TURBINE À GAZ


(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(43) Date of publication of application:
12.12.2018 Bulletin 2018/50

(73) Proprietor: Ansaldo Energia Switzerland AG
5400 Baden (CH)

(72) Inventor:
  • NAIK, Shailendra
    5412 GEBENSTORF (CH)

(74) Representative: Studio Torta S.p.A. et al
Via Viotti, 9
10121 Torino
10121 Torino (IT)


(56) References cited: : 
US-A- 4 303 374
US-A1- 2005 265 837
US-B1- 7 862 299
US-B1- 8 366 392
US-A1- 2003 044 277
US-B1- 7 563 073
US-B1- 8 162 609
US-B1- 8 585 365
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).