(19)
(11) EP 3 460 191 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:
20.01.2021 Bulletin 2021/03

(21) Application number: 18195433.0

(22) Date of filing: 19.09.2018
(51) International Patent Classification (IPC): 
F01D 5/18(2006.01)

(54)

GAS TURBINE ENGINE COMPONENT WITH COOLING HOLES HAVING VARIABLE ROUGHNESS

GASTURBINENMOTORKOMPONENTE MIT KÜHLLÖCHERN MIT VARIABLER RAUIGKEIT

COMPOSANT DE MOTEUR À TURBINE À GAZ AVEC DES TROUS DE REFROIDISSEMENT AYANT UNE RUGOSITÉ VARIABLE

(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: 21.09.2017 US 201715710874

(43) Date of publication of application:
27.03.2019 Bulletin 2019/13

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

(72) Inventor:
  • XU, JinQuan
    East Greenwich, RI Rhode Island 02818 (US)

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


(56) References cited: : 
EP-A1- 3 156 597
US-A1- 2004 072 014
 EP-A2- 1 126 135
US-A1- 2015 016 947
   
       
    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).