(19)

(11)

EP 2 430 299 A1

(12)

(43) Date of publication: 21.03.2012 Bulletin 2012/12 (21) Application number: 10723160.7 (22) Date of filing: 06.05.2010

(51) International Patent Classification (IPC):  F02D 41/26(2006.01) F02D 41/00(2006.01) (86) International application number: PCT/FI2010/050366 (87) International publication number: WO 2010/130872 (18.11.2010 Gazette 2010/46)

(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 SE SI SK SM TR (30) Priority: 13.05.2009 FI 20095536 13.05.2009 FI 20095535 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventors: KAAS, Tom FI-65410 Solf (FI) SAIKKONEN, Ari FI-65200 Vaasa (FI) (74) Representative: Nissinen, Jyrki Antero et al AWEK Industrial Patents Ltd Oy P.O. Box 230 00101 Helsinki 00101 Helsinki (FI)