(19)

(11)

EP 2 686 220 A1

(12)

(43) Date of publication: 22.01.2014 Bulletin 2014/04 (21) Application number: 12709078.5 (22) Date of filing: 13.03.2012

(51) International Patent Classification (IPC):  B61C 9/48(2006.01) B61C 9/50(2006.01) (86) International application number: PCT/EP2012/054346 (87) International publication number: WO 2012/123438 (20.09.2012 Gazette 2012/38)

(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: 15.03.2011 GB 201104405 (71) Applicant: Bombardier Transportation GmbH 10785 Berlin (DE)	(72) Inventor: SEARANCKE, Eddie F-59170 Croix (FR) (74) Representative: Bugnion Genève  Bugnion S.A. Conseils en Propriété Industrielle Route de Florissant 10 Case Postale 375 1211 Genève 12 1211 Genève 12 (CH)