(19)
(11) EP 3 299 587 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:
24.03.2021 Bulletin 2021/12

(45) Mention of the grant of the patent:
20.01.2021 Bulletin 2021/03

(21) Application number: 17181892.5

(22) Date of filing: 18.07.2017
(51) International Patent Classification (IPC): 
F04D 29/16(2006.01)
F01D 11/14(2006.01)
 F04D 29/52(2006.01)
F04D 29/32(2006.01)

(54)

GAS TURBINE ENGINE AIRFOIL

GASTURBINENMOTORSCHAUFEL

AUBE DE MOTEUR À TURBINE À GAZ

(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: 21.09.2016 US 201615272310

(43) Date of publication of application:
28.03.2018 Bulletin 2018/13

(60) Divisional application:
21152398.0

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

(72) Inventors:
  • FESSENDEN, Robert W.
    Manchester, CT 06040 (US)
  • ADHATE, Abhir A.
    Hamden, CT 06517 (US)
  • DONG, Yuan
    Glastonbury, CT 06033 (US)
  • NOLAN, Sean
    Wethersfield, CT 06109 (US)
  • PAN, Li Xing
    Middletown, CT 06457 (US)

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


(56) References cited: : 
EP-A2- 1 923 539
US-A1- 2014 165 592
 US-A1- 2006 140 756
   
       
    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).