(19)

(11)

EP 2 923 072 A1

(12)

(43) Date of publication: 30.09.2015 Bulletin 2015/40 (21) Application number: 13799338.2 (22) Date of filing: 28.10.2013

(51) International Patent Classification (IPC):  F02M 63/02(2006.01) F02M 37/00(2006.01) (86) International application number: PCT/FI2013/051013 (87) International publication number: WO 2014/068180 (08.05.2014 Gazette 2014/19)

(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 (30) Priority: 01.11.2012 FI 20126142 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventor: ENLUND, Janne FI-65280 Vaasa (FI) (74) Representative: Berggren Oy Ab  P.O. Box 16 Antinkatu 3 C 00101 Helsinki 00101 Helsinki (FI)