(19)

(11)

EP 2 351 173 A1

(12)

(43) Date of publication: 03.08.2011 Bulletin 2011/31 (21) Application number: 09783863.5 (22) Date of filing: 08.10.2009

(51) International Patent Classification (IPC):  H01T 13/44(2006.01) (86) International application number: PCT/EP2009/063119 (87) International publication number: WO 2010/043544 (22.04.2010 Gazette 2010/16)

(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 (30) Priority: 13.10.2008 EP 08166510 (71) Applicant: Delphi Technologies, Inc. Troy, Michigan 48007 (US)	(72) Inventor: HEISE, Volker 54292 Trier (DE) (74) Representative: Robert, Vincent et al Delphi European Headquarters 64, Avenue de la Plaine de France Paris Nord II BP 65059 Tremblay-en-France 95972 Roissy Charles de Gaulle Cedex 95972 Roissy Charles de Gaulle Cedex (FR)