(19)

(11)

EP 2 476 128 A1

(12)

(43) Date of publication: 18.07.2012 Bulletin 2012/29 (21) Application number: 09782898.2 (22) Date of filing: 11.09.2009

(51) International Patent Classification (IPC):  H01F 27/28(2006.01) H01F 27/36(2006.01) (86) International application number: PCT/EP2009/061785 (87) International publication number: WO 2011/029475 (17.03.2011 Gazette 2011/11)

(84) Designated Contracting States: 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: Robert Bosch GmbH 70442 Stuttgart (DE)	(72) Inventors: VREEKEN, Roel 5554 GG Valkenswaard (NL) GRAUS, Peter 6101 VM Echt (NL)