(19)

(11)

EP 0 164 391 A1

(12)

(43) Date of publication: 18.12.1985 Bulletin 1985/51 (21) Application number: 85900237.0 (22) Date of filing: 05.12.1984

(51) International Patent Classification (IPC):  F28D( . ) F28D 9/ 02( . ) F28F 3/ 04( . ) F28D 9/ 00( . ) F28F 3/ 00( . ) F28F 3/ 08( . ) (86) International application number: PCT/SE1984/000413 (87) International publication number: WO 1985/002670 (20.06.1985 Gazette 1985/14)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL SE (30) Priority: 08.12.1983 SE 19830006795 (71) Applicant: ALFA-LAVAL THERMAL AB S-221 01 Lund (SE)	(72) Inventors: BERGQVIST, Jan-Ove S-217 65 Malmö (SE) STADMARK, Nils S-242 00 Hörby (SE) DAHLGREN, Arthur S-222 53 Lund (SE) (74) Representative: Lerwill, John, et al  A.A. Thornton & Co. Northumberland House 303-306 High Holborn London, WC1V 7LE London, WC1V 7LE (GB)