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EP 3 658 769 A1

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(43) Date of publication: 03.06.2020 Bulletin 2020/23 (21) Application number: 18838548.8 (22) Date of filing: 18.07.2018

(51) International Patent Classification (IPC):  F03D 9/00(2016.01) F03D 9/25(2016.01) H02P 9/00(2006.01) H02J 5/00(2016.01) (86) International application number: PCT/US2018/042716 (87) International publication number: WO 2019/023023 (31.01.2019 Gazette 2019/05)

(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 Designated Validation States: KH MA MD TN (30) Priority: 28.07.2017 US 201715663603 (71) Applicant: General Electric Company Schenectady, NY 12345 (US)

(72) Inventors: KOLHATKAR, Yashomani, Y Bangalore, 560066 (IN) TIWARI, Arvind, Kumar Niskayuna, NY 12309 (US) BOLLENBECKER, John, Leo Niskayuna, NY 12309 (US) RAJU, Ravisekhar, Nadimpalli Niskayuna, NY 12309 (US) BURRA, Rajini, Kant Niskayuna, NY 12309 (US) GANIREDDY, Govardhan Salem, VA 24153 (US) (74) Representative: Zimmermann & Partner Patentanwälte mbB  Postfach 330 920 80069 München 80069 München (DE)