(19)

(11)

EP 1 552 226 A1

(12)

(43) Date of publication: 13.07.2005 Bulletin 2005/28 (21) Application number: 03763967.1 (22) Date of filing: 04.07.2003

(51) International Patent Classification (IPC)7: F24H 3/00, F28D 1/02, F28F 13/18 (86) International application number: PCT/GB2003/002877 (87) International publication number: WO 2004/008040 (22.01.2004 Gazette 2004/04)

(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: 13.07.2002 GB 0216352 19.07.2002 GB 0216772 (71) Applicant: Lamb, Leo Liverpool,Merseyside L12 5HH (GB)	(72) Inventor: LAMB, Leo Liverpool L12 5HH (GB) (74) Representative: Lees, Kate Jane et al Marks & ClerkTower BuildingWater Street Liverpool L3 1BA Liverpool L3 1BA (GB)