(19)
(11) EP 1 898 051 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:
02.08.2017 Bulletin 2017/31

(45) Mention of the grant of the patent:
08.03.2017 Bulletin 2017/10

(21) Application number: 07112814.4

(22) Date of filing: 20.07.2007
(51) International Patent Classification (IPC): 
F01D 5/18(2006.01)

(54)

Gas turbine airfoil with leading edge cooling

Gasturbinenschaufel mit Kühlung der Leitkante

Aube de turbine à gaz avec refroidissement du bord d'attaque

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 25.08.2006 US 823511 P

(43) Date of publication of application:
12.03.2008 Bulletin 2008/11

(73) Proprietor: Ansaldo Energia IP UK Limited
London W1G 9DQ (GB)

(72) Inventors:
  • Naik, Shailendra
    5412, Gebenstorf (CH)
  • Vogel, Gregory
    Palm Beach Gardens, FL 33410 (US)

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


(56) References cited: : 
EP-A1- 0 562 944
EP-A1- 1 691 033
US-A1- 2004 200 807
 EP-A1- 0 945 593
US-A- 5 382 133
   
       
    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).