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EP 3 234 370 A1

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(43) Date of publication: 25.10.2017 Bulletin 2017/43 (21) Application number: 15801858.0 (22) Date of filing: 30.11.2015

(51) International Patent Classification (IPC):  F04D 25/02(2006.01) F04D 17/12(2006.01) F04D 25/16(2006.01) (86) International application number: PCT/EP2015/078072 (87) International publication number: WO 2016/096386 (23.06.2016 Gazette 2016/25)

(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: 16.12.2014 IT MI20142145 (71) Applicant: Nuovo Pignone S.r.l. 50127 Florence (IT)	(72) Inventors: BRESCIANI, Stefano 50127 Florence (IT) SASSOLINI, Lorenza 50127 Florence (IT) BANCHI, Nicola 50127 Florence (IT) (74) Representative: Illingworth-Law, William Illingworth  GPO Europe GE International Inc. The Ark 201 Talgarth Road Hammersmith London W6 8BJ London W6 8BJ (GB)