(19)

(11)

EP 3 122 495 A2

(12)

(88) Date of publication A3: 26.11.2015 (43) Date of publication: 01.02.2017 Bulletin 2017/05 (21) Application number: 15717716.3 (22) Date of filing: 27.03.2015

(51) International Patent Classification (IPC):  B22D 27/04(2006.01) F01D 5/12(2006.01) B22D 30/00(2006.01) F01D 5/28(2006.01) (86) International application number: PCT/US2015/023125 (87) International publication number: WO 2015/148994 (01.10.2015 Gazette 2015/39)

(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: MA (30) Priority: 27.03.2014 US 201461971109 P 26.03.2015 US 201514669008 (71) Applicant: General Electric Company Schenectady, NY 12345 (US)	(72) Inventors: CUI, Yan Greenville, SC 29615 (US) FENG, Ganjiang Greenville, SC 29615 (US) KOTTILINGAM, Srikanth, Chandrudu Greenville, SC 29615 (US) LAYLOCK, Matthew, Joseph Greenville, SC 29615 (US) LIN, Dechao Greenville, SC 29615 (US) (74) Representative: Pöpper, Evamaria  General Electric Technology GmbH GE Corporate Intellectual Property Brown Boveri Strasse 7 5400 Baden 5400 Baden (CH)