(19)

(11)

EP 2 502 119 A1

(12)

(43) Date of publication: 26.09.2012 Bulletin 2012/39 (21) Application number: 10795736.7 (22) Date of filing: 16.11.2010

(51) International Patent Classification (IPC):  G05B 19/042(2006.01) G05B 9/03(2006.01) (86) International application number: PCT/FI2010/050922 (87) International publication number: WO 2011/061394 (26.05.2011 Gazette 2011/21)

(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: 20.11.2009 FI 20096212 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventor: PENSAR, Johan FI-65300 Vasa (FI) (74) Representative: Brax, Matti Juhani  Berggren Oy Ab P.O. Box 16 00101 Helsinki 00101 Helsinki (FI)