(19)
(11) EP 2 543 826 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.11.2013 Bulletin 2013/46

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

(21) Application number: 12174977.4

(22) Date of filing: 04.07.2012
(51) International Patent Classification (IPC): 
F01D 9/04(2006.01)
F01D 25/24(2006.01)
 F01D 11/08(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 201113176112

(71) Applicant: United Technologies Corporation
Hartford, CT 06101 (US)

(72) Inventors:
  • Croteau, Paul F.
    Columbia, CT 06237 (US)
  • Green, Kevin E.
    Broad Brook, CT 06016 (US)
  • Shi, Jun
    Carmel, IN 46032 (US)

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

   


(54) Composite shroud


(57) A shroud (18) for use in a gas turbine engine (10) has a ring with a plurality of protrusions (30) and a plurality of slots (34), each of the protrusions (30) having an arc length (A2) and parallel sides (32).







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