(19)
(11) EP 1 059 418 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:
15.11.2006 Bulletin 2006/46

(45) Mention of the grant of the patent:
11.05.2005 Bulletin 2005/19

(21) Application number: 00304543.2

(22) Date of filing: 26.05.2000
(51) International Patent Classification (IPC): 
F01D 5/18(1968.09)
F01D 25/32(1968.09)

(54)

Gas turbine airfoil internal air system

Internes Luftkühlungssystem für Turbinenschaufeln

Système de refroidissement interne à air pour des aubes de turbine


(84) Designated Contracting States:
DE FR

(30) Priority: 09.06.1999 GB 9913393

(43) Date of publication of application:
13.12.2000 Bulletin 2000/50

(73) Proprietor: ROLLS ROYCE PLC
London SW1E 6AT (GB)

(72) Inventors:
  • Emery, Martin Anthony James
    Filton, Bristol BS34 7AL (GB)
  • Self, Kevin Paul
    Horfield, Bristol BS7 8UG (GB)

(74) Representative: Bird, Vivian John 
Rolls-Royce plc, Intellectual Property Department, P.O. Box 3, EW 1-5
Filton, Bristol BS34 7QE
Filton, Bristol BS34 7QE (GB)


(56) References cited: : 
EP-A- 0 381 955
US-A- 4 063 851
US-A- 5 779 438
EP-A- 0 416 542
US-A- 5 577 889
   
       
    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).