(19)

(11)

EP 1 721 071 A1

(12)

(43) Date of publication: 15.11.2006 Bulletin 2006/46 (21) Application number: 05715524.4 (22) Date of filing: 25.02.2005

(51) International Patent Classification (IPC):  F02D 41/14(2006.01) F02D 41/02(2006.01) F02D 41/24(2006.01) F02D 41/08(2006.01) (86) International application number: PCT/EP2005/001972 (87) International publication number: WO 2005/095778 (13.10.2005 Gazette 2005/41)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 02.03.2004 GB 0404558 (71) Applicant: Bombardier Transportation GmbH 13627 Berlin (DE)	(72) Inventor: JAHN, Steffen 16761 Hennigsdorf (DE) (74) Representative: Cohausz & Florack  Patent- und Rechtsanwälte Bleichstrasse 14 40211 Düsseldorf 40211 Düsseldorf (DE)