(19)

(11)

EP 3 234 341 A1

(12)

(43) Date of publication: 25.10.2017 Bulletin 2017/43 (21) Application number: 14824862.8 (22) Date of filing: 19.12.2014

(51) International Patent Classification (IPC):  F02M 51/06(2006.01) F02M 61/16(2006.01) (86) International application number: PCT/FI2014/051031 (87) International publication number: WO 2016/097463 (23.06.2016 Gazette 2016/25)

(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) Inventor: VUOHIJOKI, Antti 65380 Vaasa (FI) (74) Representative: Genip Oy  Heikinkatu 7 48100 Kotka 48100 Kotka (FI)