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EP 2 978 973 A1

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(43) Date of publication: 03.02.2016 Bulletin 2016/05 (21) Application number: 14711792.3 (22) Date of filing: 24.03.2014

(51) International Patent Classification (IPC):  F04D 27/02(2006.01) (86) International application number: PCT/EP2014/055831 (87) International publication number: WO 2014/154629 (02.10.2014 Gazette 2014/40)

(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 (30) Priority: 26.03.2013 IT FI20130064 (71) Applicant: Nuovo Pignone S.r.l. 50127 Florence (IT)

(72) Inventors: BERNOCCHI, Andrea I-50127 Florence (IT) GALEOTTI, Daniele I-50127 Florence (IT) BAGGIANI, Marco I-50127 Florence (IT) TOCI, Emiliano I-50127 Florence (IT) MANNUCCI, Sergio I-50127 Florence (IT) BAZZANTI VESTRI, Lorenzo I-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)