(19)

(11)

EP 2 616 651 A1

(12)

(43) Date of publication: 24.07.2013 Bulletin 2013/30 (21) Application number: 11770837.0 (22) Date of filing: 25.08.2011

(51) International Patent Classification (IPC):  F01P 5/12(2006.01) F01P 7/16(2006.01) (86) International application number: PCT/FI2011/050741 (87) International publication number: WO 2012/035202 (22.03.2012 Gazette 2012/12)

(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: 17.09.2010 FI 20105953 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventor: KÅLAX, Johan FI-66530 Koivulahti (FI) (74) Representative: Berggren Oy Ab  P.O. Box 16 Antinkatu 3 C 00101 Helsinki 00101 Helsinki (FI)