(19)

(11)

EP 0 868 344 A1

(12)

(43) Date of publication: 07.10.1998 Bulletin 1998/41 (21) Application number: 96943460.0 (22) Date of filing: 19.12.1996

(51) International Patent Classification (IPC):  B63H 21/ 38( . ) F01N 7/ 00( . ) F01N 7/ 12( . ) F01N 3/ 04( . ) F01N 7/ 08( . ) F01P 3/ 20( . ) (86) International application number: PCT/SE1996/001709 (87) International publication number: WO 1997/023383 (03.07.1997 Gazette 1997/29)

(84) Designated Contracting States: DE GB IT (30) Priority: 22.12.1995 SE 19950004621 (71) Applicant: AB VOLVO PENTA 405 08 Göteborg (SE)	(72) Inventors: UHLANDER, Lennart S-423 35 Torslanda (SE) LARSSON, Stig S-423 63 Torslanda (SE) (74) Representative: Hellbom, Lars Olof, et al  H. Albihns Patentbyra AB, Box 3137 103 62 Stockholm 103 62 Stockholm (SE)