(19)

(11)

EP 1 567 773 A1

(12)

(43) Date of publication: 31.08.2005 Bulletin 2005/35 (21) Application number: 03811565.5 (22) Date of filing: 07.11.2003

(51) International Patent Classification (IPC)7: F04D 29/24 (86) International application number: PCT/SE2003/001724 (87) International publication number: WO 2004/046558 (03.06.2004 Gazette 2004/23)

(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: 19.11.2002 SE 0203433 (71) Applicant: VOLVO LASTVAGNAR AB 405 03 Göteborg (SE)	(72) Inventor: LARSSON, Anders SE-442 50 Ytterby (SE) (74) Representative: Fröhling, Werner Otto  Volvo Technology Corporation, Corporate Patents, 06820, M1.7 405 08 Göteborg 405 08 Göteborg (SE)