(19)

(11)

EP 2 115 276 A1

(12)

(43) Date of publication: 11.11.2009 Bulletin 2009/46 (21) Application number: 08709311.8 (22) Date of filing: 06.02.2008

(51) International Patent Classification (IPC):  F01L 11/02(2006.01) (86) International application number: PCT/FI2008/050043 (87) International publication number: WO 2008/107515 (12.09.2008 Gazette 2008/37)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 08.03.2007 FI 20075162 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventor: NYNÄS, Håkan FI-65280 Vasa (FI) (74) Representative: Gustafsson, Aulis Valdemar  AWEK Industrial Patents Ltd Oy P.O. Box 230 00101 Helsinki 00101 Helsinki (FI)