(19)

(11)

EP 1 627 215 A2

(12)

(43) Date of publication: 22.02.2006 Bulletin 2006/08 (21) Application number: 03780308.7 (22) Date of filing: 25.11.2003

(51) International Patent Classification (IPC):  G01M 1/06(1968.09) (86) International application number: PCT/GB2003/005135 (87) International publication number: WO 2004/048917 (10.06.2004 Gazette 2004/24)

(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: 26.11.2002 GB 0227519 (71) Applicant: Bombardier Transportation GmbH 13627 Berlin (DE)	(72) Inventor: FORKIN, James Wistaston, Crewe CW2 8EZ (GB) (74) Representative: Broydé, Marc  Breese Derambure Majerowicz 38 Avenue de l'Opéra 75002 Paris 75002 Paris (FR)