(19)

(11)

EP 2 724 013 A2

(12)

(88) Date of publication A3: 14.02.2013 (43) Date of publication: 30.04.2014 Bulletin 2014/18 (21) Application number: 12743197.1 (22) Date of filing: 15.06.2012

(51) International Patent Classification (IPC):  F02D 41/38(2006.01) (86) International application number: PCT/FI2012/050624 (87) International publication number: WO 2012/175800 (27.12.2012 Gazette 2012/52)

(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: 23.06.2011 FI 20115649 (71) Applicant: Wärtsilä Finland Oy 65380 Vaasa (FI)	(72) Inventors: CAPUTO, Gennaro I-34018 Trieste (IT) SCROCCO, Pietro I-10127 Torino (IT) (74) Representative: Berggren Oy Ab  P.O. Box 16 Antinkatu 3 C 00101 Helsinki 00101 Helsinki (FI)