(19)

(11)

EP 2 609 663 A1

(12)

(43) Date of publication: 03.07.2013 Bulletin 2013/27 (21) Application number: 10856339.6 (22) Date of filing: 24.08.2010

(51) International Patent Classification (IPC):  H02J 3/01(2006.01) H02M 1/12(2006.01) (86) International application number: PCT/FI2010/050662 (87) International publication number: WO 2012/025660 (01.03.2012 Gazette 2012/09)

(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 SE SI SK SM TR (71) Applicant: Merus Power Dynamics Oy 37100 Nokia (FI)	(72) Inventors: ÖÖRNI, Jyri FI-39360 Komi (FI) LEINONEN, Aki FI-33450 Siivikkala (FI) (74) Representative: Tampereen Patenttitoimisto Oy  Hermiankatu 1 B 33720 Tampere 33720 Tampere (FI)