(19)

(11)

EP 1 572 515 A2

(12)

(88) Date of publication A3: 03.06.2004 (43) Date of publication: 14.09.2005 Bulletin 2005/37 (21) Application number: 03775184.9 (22) Date of filing: 15.10.2003

(51) International Patent Classification (IPC)7: B61C 3/00 (86) International application number: PCT/EP2003/011414 (87) International publication number: WO 2004/035366 (29.04.2004 Gazette 2004/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 17.10.2002 DE 10248438 (71) Applicant: Bombardier Transportation (Bahntechnologie) Holding Germany GmbH 12526 Berlin (DE)	(72) Inventor: NOACK, Maik 15913 Laasow (DE) (74) Representative: Broydé, Marc et al Howrey LLP CityPoint One Ropemaker Street London EC2Y 9HS London EC2Y 9HS (GB)