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EP 1 966 807 A1

(12)

(43) Date of publication: 10.09.2008 Bulletin 2008/37 (21) Application number: 06835899.3 (22) Date of filing: 22.12.2006

(51) International Patent Classification (IPC):  H01B 17/54(2006.01) H02J 3/36(2006.01) H05K 7/20(2006.01) H02B 1/56(2006.01) H02M 1/00(2007.01) (86) International application number: PCT/SE2006/001490 (87) International publication number: WO 2007/078238 (12.07.2007 Gazette 2007/28)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 30.12.2005 US 754654 P 25.08.2006 WO PCT/SE2006/000977 (71) Applicant: ABB Technology Ltd 8050 Zürich (CH)	(72) Inventors: ÅSTRÖM, Urban S-SE-722 70 Saxdalen (SE) GUSTAVSSON, Dan S-SE-771 60 Ludvika (SE) PETRISI, Fredrik S-SE-771 41 Ludvika (SE) SJÖBERG, Peter S-SE-771 43 Ludvika (SE) SVEDJEHED, Lars S-SE-907 38 Umeå (SE) (74) Representative: Kock, Ina et al ABB AB Legal Affairs and Compliance/ Intellectual Property Forskargränd 7 721 78 Västerås 721 78 Västerås (SE)