(19)

(11)

EP 0 939 717 A1

(12)

(43) Date of publication: 08.09.1999 Bulletin 1999/36 (21) Application number: 98945699.0 (22) Date of filing: 18.09.1998

(51) International Patent Classification (IPC):  B61F 3/ 12( . ) B61F 5/ 38( . ) (86) International application number: PCT/SE1998/001671 (87) International publication number: WO 1999/015387 (01.04.1999 Gazette 1999/13)

(84) Designated Contracting States: CH DE GB IT LI (30) Priority: 24.09.1997 SE 19970003437 (71) Applicant: ABB Daimler-Benz Transportation (Technology) GmbH 13601 Berlin (DE)	(72) Inventor: LINDBLOM, Julius S-191 45 Sollentuna (SE) (74) Representative: Sjöholm, Annette, et al  Asea Brown Boveri AB Patent 721 78 Västeras 721 78 Västeras (SE)