(19)
(11) EP 2 543 823 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.10.2016 Bulletin 2016/43

(43) Date of publication A2:
09.01.2013 Bulletin 2013/02

(21) Application number: 12174982.4

(22) Date of filing: 04.07.2012
(51) International Patent Classification (IPC): 
F01D 5/28(2006.01)
(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
Designated Extension States:
BA ME

(30) Priority: 05.07.2011 US 201113176076

(71) Applicant: United Technologies Corporation
Farmington, CT 06032 (US)

(72) Inventors:
  • Shi, Jun
    Carmel, IN 46032 (US)
  • Jarmon, David C.
    Kensington, CT 06037 (US)

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

   


(54) Ceramic matrix composite components


(57) A CMC component (10) has an integral airfoil (12) and root portion (14) formed by a plurality of plies (22) extending in a spanwise direction and an external feature (30) formed by a plurality of bent plies (22').







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