(19)

(11)

EP 1 105 687 A1

(12)

(43) Date of publication: 13.06.2001 Bulletin 2001/24 (21) Application number: 99940387.6 (22) Date of filing: 23.08.1999

(51) International Patent Classification (IPC)7: F24F 11/00 (86) International application number: PCT/GB9902/766 (87) International publication number: WO 0011/410 (02.03.2000 Gazette 2000/09)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 22.08.1998 GB 9818305 (71) Applicant: NuAire Limited CaerphillyMid Glamorgan CF8 1XH (GB)	(72) Inventors: FUSSELL, Michael NewportGwent NP1 8SP (GB) BRADLEY, John MorganstownCardiff CF4 8FA (GB) (74) Representative: Gibson, Stewart Harry  URQUHART-DYKES & LORD,Three Trinity Court,21-27 Newport Road Cardiff CF24 0AA Cardiff CF24 0AA (GB)