(19)

(11)

EP 1 034 405 A1

(12)

(43) Date of publication: 13.09.2000 Bulletin 2000/37 (21) Application number: 98958337.2 (22) Date of filing: 26.11.1998

(51) International Patent Classification (IPC)7: F24H 9/12, F24D 19/00 (86) International application number: PCT/GB9803/529 (87) International publication number: WO 9928/684 (10.06.1999 Gazette 1999/23)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IE IT LI NL PT SE (30) Priority: 27.11.1997 GB 9724971 07.03.1998 GB 9804806 (71) Applicant: Downey, Graham Longsight,Manchester M12 4GG (GB)	(72) Inventor: Downey, Graham Longsight,Manchester M12 4GG (GB) (74) Representative: Brandon, Paul Laurence et al APPLEYARD LEES,15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)