(19)

(11)

EP 3 055 556 A1

(12)

(43) Date of publication: 17.08.2016 Bulletin 2016/33 (21) Application number: 13780029.8 (22) Date of filing: 09.10.2013

(51) International Patent Classification (IPC):  F03D 7/02(2006.01) F03D 1/06(2006.01) (86) International application number: PCT/US2013/064060 (87) International publication number: WO 2015/053768 (16.04.2015 Gazette 2015/15)

(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 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: DIXON, Kristian R. Boulder, Colorado 80304 (US) MAYDA, Edward A. Thornton, Colorado 80602 (US) (74) Representative: Patentanwaltskanzlei WILHELM & BECK  Prinzenstraße 13 80639 München 80639 München (DE)