(19)
(11)EP 2 527 599 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
15.03.2017 Bulletin 2017/11

(43)Date of publication A2:
28.11.2012 Bulletin 2012/48

(21)Application number: 12163448.9

(22)Date of filing:  05.04.2012
(51)International Patent Classification (IPC): 
F01D 9/04(2006.01)
F01D 25/26(2006.01)
F01D 11/08(2006.01)
F01D 25/24(2006.01)
F01D 25/28(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: 18.04.2011 US 201113088635

(71)Applicant: General Electric Company
Schenectady, NY 12345 (US)

(72)Inventors:
  • Foster, Gregory Thomas
    Greenville, SC South Carolina 29615 (US)
  • Garcia-Crespo, Andres Jose
    Greenville, SC South Carolina 29615 (US)

(74)Representative: Cleary, Fidelma 
GPO Europe GE International Inc. The Ark 201 Talgarth Road Hammersmith
London W6 8BJ
London W6 8BJ (GB)

  


(54)Apparatus to seal with a turbine blade stage in a gas turbine


(57) Disclosed is an apparatus configured to seal with a turbine blade stage (5) of a gas turbine (11). The apparatus includes an outer shroud (21) coupled to an inner shroud (22) and configured to circumferentially surround the turbine blade stage (5). The inner shroud (22) is configured to circumferentially surround the turbine blade stage (5) to seal with the turbine blade stage (5) and includes an attachment element configured to be inserted into the outer shroud (21) to couple the inner shroud (22) to the outer shroud (21).







Search report









Search report