(19)

(11)

EP 2 783 098 A1

(12)

(43) Date of publication: 01.10.2014 Bulletin 2014/40 (21) Application number: 12810318.1 (22) Date of filing: 20.11.2012

(51) International Patent Classification (IPC):  F02M 35/10(2006.01) F02M 35/104(2006.01) F02F 1/42(2006.01) F02M 35/116(2006.01) (86) International application number: PCT/FI2012/051147 (87) International publication number: WO 2013/076367 (30.05.2013 Gazette 2013/22)

(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: 22.11.2011 FI 20116160 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventors: JÄRVI, Arto FI-65320 Vaasa (FI) HÄGGBLOM, Daniel FI-65630 Karperö (FI) (74) Representative: Berggren Oy Ab  P.O. Box 16 Antinkatu 3 C 00101 Helsinki 00101 Helsinki (FI)