(19)
(11) EP 2 867 476 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:
31.03.2021 Bulletin 2021/13

(45) Mention of the grant of the patent:
24.02.2021 Bulletin 2021/08

(21) Application number: 13822892.9

(22) Date of filing: 19.04.2013
(51) International Patent Classification (IPC): 
F01D 5/18(2006.01)
F02C 7/00(2006.01)
F01D 5/14(2006.01)
(86) International application number:
PCT/US2013/037302
(87) International publication number:
WO 2014/018138 (30.01.2014 Gazette 2014/05)

(54)

COOLED BLADE AND METHOD OF FABRICATION

GEKÜHLTE SCHAUFEL UND HERSTELLUNGSVERFAHREN

AUBE REFROIDIE ET PROCÉDÉ DE FABRICATION


(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

(30) Priority: 21.06.2012 US 201213529143

(43) Date of publication of application:
06.05.2015 Bulletin 2015/19

(73) Proprietor: Raytheon Technologies Corporation
Farmington, CT 06032 (US)

(72) Inventors:
  • HUDSON, Eric A.
    Harwinton, Connecticut 06791 (US)
  • PROPHETER-HINCKLEY, Tracy A.
    Manchester, Connecticut 06042 (US)
  • QUACH, San
    East Hartford, Connecticut 06108 (US)
  • DEVORE, Matthew A.
    Cromwell, Connecticut 06416 (US)

(74) Representative: Dehns 
St. Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)


(56) References cited: : 
EP-A2- 1 790 823
US-A1- 2003 108 423
US-A1- 2008 031 739
US-A1- 2011 171 023
GB-A- 2 358 226
US-A1- 2007 116 569
US-A1- 2010 014 102
US-A1- 2011 236 178
   
       
    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).