(19)
(11) EP 3 587 736 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:
07.04.2021 Bulletin 2021/14

(45) Mention of the grant of the patent:
17.02.2021 Bulletin 2021/07

(21) Application number: 19180976.3

(22) Date of filing: 18.06.2019
(51) International Patent Classification (IPC): 
F01D 5/28(2006.01)
 F01D 9/04(2006.01)

(54)

COMPOSITE AIRFOIL WITH FIBRES FORMING A CLEFT IN THE PLATFORM

COMPOSITE-GASTURBINENSCHAUFEL MIT SICH TEILENDEN FASERN IN DER PLATTFORM

AUBE DE TURBINE COMPOSITE AVEC DES FIBRE SE PARTAGER DANS LA PLATEFORME

(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: 22.06.2018 US 201816015318

(43) Date of publication of application:
01.01.2020 Bulletin 2020/01

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

(72) Inventors:
  • KLINE, Bradley P.
    Middletown, CT 06457 (US)
  • SHAHAB, Farruqh
    East Hartford, CT 06118 (US)

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


(56) References cited: : 
EP-A1- 3 002 117
EP-A2- 2 363 574
US-A- 5 639 535
 EP-A1- 3 004 560
EP-A2- 2 562 360
US-A1- 2015 231 849
   
       
    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).