(19)

(11)

EP 1 047 912 A1

(12)

(43) Date of publication: 02.11.2000 Bulletin 2000/44 (21) Application number: 99902951.5 (22) Date of filing: 15.01.1999

(51) International Patent Classification (IPC)7: F28D 9/00, F28F 3/08, F28F 9/16 (86) International application number: PCT/SE9900/048 (87) International publication number: WO 9936/740 (22.07.1999 Gazette 1999/29)

(84) Designated Contracting States: DE FR GB IT PT SE (30) Priority: 15.01.1998 SE 9800099 (71) Applicant: Alfa Laval AB 147 80 Tumba (SE)	(72) Inventors: EDSÖ, Lennart S-226 51 Lund (SE) LINDHOLM, Ingvar S-226 47 Lund (SE) (74) Representative: Lerwill, John et al A.A. Thornton & Co.235 High Holborn London, WC1V 7LE London, WC1V 7LE (GB)