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(11)

EP 2 989 297 A1

(12)

(43) Date of publication: 02.03.2016 Bulletin 2016/09 (21) Application number: 14723657.4 (22) Date of filing: 16.04.2014

(51) International Patent Classification (IPC):  F01D 11/24(2006.01) F01D 25/26(2006.01) F01D 19/02(2006.01) F02C 7/18(2006.01) (86) International application number: PCT/US2014/034296 (87) International publication number: WO 2014/176085 (30.10.2014 Gazette 2014/44)

(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: 26.04.2013 US 201313871080 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: RODRIGUEZ, Jose L. Lake Mary, Florida 32746 (US) LITTLE, David A. Chuluota, Florida 32766 (US) ZHANG, Jiping Winter Springs, Florida 32708 (US) PILAPIL, Patrick M. Kissimmee, Florida 34743 (US) (74) Representative: Maier, Daniel Oliver  Siemens AG Postfach 22 16 34 80506 München 80506 München (DE)