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EP 3 247 517 A1

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(43) Date of publication: 29.11.2017 Bulletin 2017/48 (21) Application number: 16701383.8 (22) Date of filing: 12.01.2016

(51) International Patent Classification (IPC):  B22F 3/12(2006.01) C22C 32/00(2006.01) C22C 38/00(2006.01) B22F 3/17(2006.01) C22C 1/05(2006.01) B22F 3/15(2006.01) C22C 33/02(2006.01) C22C 38/44(2006.01) B22F 3/20(2006.01) (86) International application number: PCT/US2016/012977 (87) International publication number: WO 2016/118358 (28.07.2016 Gazette 2016/30)

(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 MD (30) Priority: 20.01.2015 US 201514600083 (71) Applicant: Nuovo Pignone Technologie S.r.l. 50127 Florence (IT)	(72) Inventors: HUANG, Shenyan Niskayuna, NY 12309 (US) REBAK, Raul, Basilio Niskayuna, NY 12309 (US) DIDOMIZIO, Richard Niskayuna, NY 12309 (US) PIETRANGELI, Emanuele Niskayuna, NY 12309 (US) (74) Representative: Illingworth-Law, William Illingworth  GPO Europe GE International Inc. The Ark 201 Talgarth Road Hammersmith London W6 8BJ London W6 8BJ (GB)