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(11)

EP 2 938 883 A1

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(43) Date of publication: 04.11.2015 Bulletin 2015/45 (21) Application number: 13818731.5 (22) Date of filing: 18.12.2013

(51) International Patent Classification (IPC):  F04D 17/12(2006.01) F04D 29/62(2006.01) F04D 29/42(2006.01) (86) International application number: PCT/EP2013/077260 (87) International publication number: WO 2014/102126 (03.07.2014 Gazette 2014/27)

(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: 27.12.2012 IT CO20120069 (71) Applicant: Nuovo Pignone S.r.l. 50127 Florence (IT)	(72) Inventors: SARRI, Franco I-50127 Florence (IT) GUGLIELMO, Alberto 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)