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EP 2 705 239 A1

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(43) Date of publication: 12.03.2014 Bulletin 2014/11 (21) Application number: 12716483.8 (22) Date of filing: 23.03.2012

(51) International Patent Classification (IPC):  F02M 47/04(2006.01) F02M 45/08(2006.01) F02M 63/00(2006.01) (86) International application number: PCT/FI2012/050297 (87) International publication number: WO 2012/150377 (08.11.2012 Gazette 2012/45)

(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: 03.05.2011 FI 20115418 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventors: HULTQVIST, Anders CH-8401 Winterthur (CH) JUNG, Steffen CH-8401 Winterthur (CH) ZUANIGH, Luca I-34018 Trieste (IT) WINTERSTELLER, Anton I-34018 Trieste (IT) ORIE, Patrick NL-8017JE Zwolle (NL) (74) Representative: Berggren Oy Ab  P.O. Box 16 Antinkatu 3 C 00101 Helsinki 00101 Helsinki (FI)