(19)
(11) EP 3 444 436 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:
14.04.2021 Bulletin 2021/15

(45) Mention of the grant of the patent:
23.12.2020 Bulletin 2020/52

(21) Application number: 18189576.4

(22) Date of filing: 17.08.2018
(51) International Patent Classification (IPC): 
F01D 5/18(2006.01)

(54)

DIRECTIONAL COOLING ARRANGEMENT FOR TURBINE AIRFOILS

DIREKTIONALE KÜHLANORDNUNG FÜR TURBINENSCHAUFEL

AGENCEMENT DE REFROIDISSEMENT DIRECTIONNEL DESTINÉ À DES AUBES DE TURBINE

(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: 17.08.2017 US 201715679442

(43) Date of publication of application:
20.02.2019 Bulletin 2019/08

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

(72) Inventors:
  • QUACH, San
    Southington, CT Connecticut 06489 (US)
  • MATEO, Alberto A.
    Vernon, CT Connecticut 06066 (US)
  • MORTON, Jeffrey T.
    Manchester, CT Connecticut 06040 (US)
  • SHENNY, Jason
    West Hartford, CT Connecticut 06119 (US)
  • ANSELMI, Gregory
    Vernon, CT Connecticut 06066 (US)

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


(56) References cited: : 
EP-A2- 1 659 264
EP-A2- 3 032 035
 EP-A2- 2 138 675
US-A1- 2016 010 463
   
       
    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).