Ceramic turbine shroud assembly

(19)

(11)

EP 1 890 010 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	10.08.2011 Bulletin 2011/32

(43)	Date of publication A2:
	20.02.2008 Bulletin 2008/08

(21)	Application number: 07253097.5

(22)	Date of filing: 07.08.2007

(51)

International Patent Classification (IPC):

F01D 11/08^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR MK RS

(30)

Priority:

10.08.2006 US 502212
08.08.2006 US 502079

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

(72)	Inventors:
	Shi, Jun Glastonbury, CT 06033 (US) Green, Kevin E. Broad Brook, CT 06016 (US) Butler, Shaoluo L. Manchester, CT 06040 (US)

(74)	Representative: Leckey, David Herbert
	Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)

(54)	Ceramic turbine shroud assembly

(57) A ceramic shroud assembly (20) suitable for use in a gas turbine engine (10) comprises a metal clamp ring (26) shrink fitted around a ceramic shroud ring (28) and an insulating and compliant interlayer (30). The interlayer (30) is positioned between the metal clamp ring (26) and the ceramic shroud ring (28).

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