(19)

(11)

EP 1 101 020 A1

(12)

(43) Date of publication: 23.05.2001 Bulletin 2001/21 (21) Application number: 99943537.3 (22) Date of filing: 26.07.1999

(51) International Patent Classification (IPC)7: F01P 11/02, F01P 11/06 (86) International application number: PCT/SE9901/313 (87) International publication number: WO 0006/874 (10.02.2000 Gazette 2000/06)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 31.07.1998 SE 9802654 (71) Applicant: Volvo Lastvagnar AB 405 08 Göteborg (SE)	(72) Inventor: HOLMSTRÖM, Jan, Christian S-426 77 Västra Frölunda (SE) (74) Representative: Mossmark, Anders  Albihns Göteborg ABBox 142 401 22 Göteborg 401 22 Göteborg (SE)