(19)

(11)

EP 1 680 592 A1

(12)

(43) Date of publication: 19.07.2006 Bulletin 2006/29 (21) Application number: 04767092.2 (22) Date of filing: 04.10.2004

(51) International Patent Classification (IPC):  F02M 55/00(1968.09) F02M 65/00(1968.09) (86) International application number: PCT/FI2004/000578 (87) International publication number: WO 2005/038232 (28.04.2005 Gazette 2005/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 17.10.2003 FI 20031522 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventor: RENKONEN, Jari FI-20720 Turku (FI) (74) Representative: Gustafsson, Aulis Valdemar  AWEK Industrial Patents Ltd Oy P.O. Box 230 00101 Helsinki 00101 Helsinki (FI)