(19)

(11)

EP 2 836 412 A1

(12)

(43) Date of publication: 18.02.2015 Bulletin 2015/08 (21) Application number: 13718359.6 (22) Date of filing: 12.04.2013

(51) International Patent Classification (IPC):  B61L 19/06(2006.01) B61L 27/00(2006.01) (86) International application number: PCT/GB2013/050946 (87) International publication number: WO 2013/153396 (17.10.2013 Gazette 2013/42)

(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 Designated Extension States: BA ME (30) Priority: 12.04.2012 GB 201206465 (71) Applicant: Siemens Rail Automation Holdings Limited Frimley, Camberley GU16 8QD (GB)	(72) Inventor: TAYLOR, Dominic Laurence Bath, Somerset BA1 1QN (GB) (74) Representative: Maier, Daniel Oliver  Siemens AG Postfach 22 16 34 80506 München 80506 München (DE)