(19)
(11) EP 2 282 013 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.04.2014 Bulletin 2014/16

(43) Date of publication A2:
09.02.2011 Bulletin 2011/06

(21) Application number: 10167146.9

(22) Date of filing: 24.06.2010
(51) International Patent Classification (IPC): 
F01D 9/06(2006.01)
 F01D 25/32(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 SE SI SK SM TR
Designated Extension States:
BA ME RS

(30) Priority: 30.06.2009 US 494419

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

(72) Inventors:
  • Guo, Tao
    Niskayuna, NY 12309 (US)
  • Liu, Xiaoyue
    Clifton Park, NY 12065 (US)
  • Slepski, Jonathon Edward
    Clifton Park, NY 12065 (US)

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

   


(54) Moisture removal provisions for steam turbine


(57) Disclosed herein is a moisture removal system (100) for a steam turbine including at least one perforated ring (110) in an outer casing enclosing a stage of the steam turbine. The ring (110) is configured to allow moisture to pass therethrough out of a steam path of the steam turbine.







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