(19)

(11)

EP 1 497 593 A1

(12)

(43) Date of publication: 19.01.2005 Bulletin 2005/03 (21) Application number: 03721186.9 (22) Date of filing: 09.04.2003

(51) International Patent Classification (IPC)7: F24F 13/20 (86) International application number: PCT/SE2003/000579 (87) International publication number: WO 2003/087676 (23.10.2003 Gazette 2003/43)

(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: 09.04.2002 SE 0201061 (71) Applicant: Fläkt Woods AB 55184 Jönköping (SE)	(72) Inventors: WESTBERG, Daniel S-553 20 Jönköping (SE) ROOS, Gunnar S-556 10 Jönköping (SE) SAGSTRÖM, Tobias S-555 94 Jönköping (SE) FLAWN ORPANA, Lisa S-554 47 Jönköping (SE) LAWRANCE, William S-563 91 Gränna (SE) EVERS, Peder S-128 32 Skarpnäck (SE)