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EP 2 710 227 A1

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(43) Date of publication: 26.03.2014 Bulletin 2014/13 (21) Application number: 12721544.0 (22) Date of filing: 18.05.2012

(51) International Patent Classification (IPC):  F01D 5/06(2006.01) F02C 7/06(2006.01) F16C 9/00(2006.01) F02C 7/32(2006.01) H02K 7/08(2006.01) F16D 1/06(2006.01) (86) International application number: PCT/EP2012/059303 (87) International publication number: WO 2012/156520 (22.11.2012 Gazette 2012/47)

(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 (30) Priority: 19.05.2011 IT CO20110017 (71) Applicant: Nuovo Pignone S.p.A. 50127 Florence (IT)	(72) Inventors: POLACCO, Alessandro I-50127 Firenze (IT) MONTELATICI, Sandro I-50127 Firenze (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)