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(11)

EP 1 389 296 A1

(12)

(43) Date of publication: 18.02.2004 Bulletin 2004/08 (21) Application number: 02733714.6 (22) Date of filing: 17.05.2002

(51) International Patent Classification (IPC)7: F28F 5/00, F28F 9/00 (86) International application number: PCT/SE2002/000958 (87) International publication number: WO 2002/097353 (05.12.2002 Gazette 2002/49)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 21.05.2001 SE 0101798 (71) Applicant: Rekuperator Svenska AB 405 08 Göteborg (SE)	(72) Inventors: XIE, Max S-224 72 Lund (SE) LAGERSTRÖM, Gunnar S-466 32 Sollebrunn (SE) JÖNSSON, Bertil S-237 32 Bjärred (SE) (74) Representative: Mossmark, Anders  Albihns Göteborg ABBox 142 401 22 Göteborg 401 22 Göteborg (SE)