(19)

(11)

EP 2 697 500 A2

(12)

(88) Date of publication A3: 06.12.2012 (43) Date of publication: 19.02.2014 Bulletin 2014/08 (21) Application number: 12720921.1 (22) Date of filing: 20.03.2012

(51) International Patent Classification (IPC):  F02M 53/06(2006.01) F02M 63/02(2006.01) F02M 53/04(2006.01) F02M 63/00(2006.01) (86) International application number: PCT/FI2012/050266 (87) International publication number: WO 2012/140317 (18.10.2012 Gazette 2012/42)

(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: 12.04.2011 FI 20115343 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventor: JAY, David FI- 66500 Vähäkyrö (FI) (74) Representative: Genip Oy  Heikinkatu 7 48100 Kotka 48100 Kotka (FI)