(19)

(11)

EP 3 439 949 A1

(12)

(43) Date of publication: 13.02.2019 Bulletin 2019/07 (21) Application number: 16721848.6 (22) Date of filing: 07.04.2016

(51) International Patent Classification (IPC):  B63H 21/22(2006.01) F02D 11/10(2006.01) (86) International application number: PCT/FI2016/050218 (87) International publication number: WO 2017/174857 (12.10.2017 Gazette 2017/41)

(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 Designated Validation States: MA MD (71) Applicant: Wärtsilä Finland Oy 65100 Vaasa (FI)	(72) Inventors: ÖSTERBACK, Peter 65100 Vaasa (FI) KOIVULA, Anssi 65100 Vaasa (FI) (74) Representative: Berggren Oy, Helsinki & Oulu  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)