(19)

(11)

EP 2 929 159 A1

(12)

(43) Date of publication: 14.10.2015 Bulletin 2015/42 (21) Application number: 12816315.1 (22) Date of filing: 10.12.2012

(51) International Patent Classification (IPC):  F01P 3/20(2006.01) F01P 7/16(2006.01) (86) International application number: PCT/FI2012/051222 (87) International publication number: WO 2014/091056 (19.06.2014 Gazette 2014/25)

(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 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventors: CALCINOTTO, Paolo I-34018 Trieste (IT) PERINEL, Luciano I-34018 Trieste (IT) (74) Representative: Berggren Oy Ab  P.O. Box 16 Antinkatu 3 C 00101 Helsinki 00101 Helsinki (FI)