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EP 2 948 646 A2

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(88) Date of publication A3: 24.12.2014 (43) Date of publication: 02.12.2015 Bulletin 2015/49 (21) Application number: 14702728.8 (22) Date of filing: 22.01.2014

(51) International Patent Classification (IPC):  F01D 25/30(2006.01) F01D 25/12(2006.01) F01D 25/24(2006.01) F01D 9/06(2006.01) (86) International application number: PCT/US2014/012416 (87) International publication number: WO 2014/116616 (31.07.2014 Gazette 2014/31)

(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: 22.01.2013 US 201313746423 (71) Applicant: Siemens Energy, Inc. Orlando, FL 32826 (US)

(72) Inventors: MUNSHI, Mrinal Orlando, Florida 32828 (US) FINNERAN, John W. Palm Beach Gardens, Florida 33410 (US) SHTEYMAN, Yevgeniy West Palm Beach, Florida 33407 (US) GRABER, Daryl J. Palm Beach Gardens, Florida 33418 (US) PORTER, Matthew R. West Palm Beach, Florida 33401 (US) LEAGON, Jonathan M. Cassatt, South Carolina 29032 (US) (74) Representative: Maier, Daniel Oliver  Siemens AG Postfach 22 16 34 80506 München 80506 München (DE)