(19)

(11)

EP 2 174 066 A2

(12)

(88) Date of publication A3: 09.04.2009 (43) Date of publication: 14.04.2010 Bulletin 2010/15 (21) Application number: 08762503.4 (22) Date of filing: 26.06.2008

(51) International Patent Classification (IPC):  F24D 17/00(2006.01) (86) International application number: PCT/GB2008/002200 (87) International publication number: WO 2009/001093 (31.12.2008 Gazette 2009/01)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 27.06.2007 GB 0712480 (71) Applicant: Ward, Mark Anthony James Suffolk IP13 8DX (GB)	(72) Inventor: Ward, Mark Anthony James Suffolk IP13 8DX (GB) (74) Representative: ip21 Ltd  Central Formalities Department Norwich Research Park Colney Norwich NR4 7UT Colney Norwich NR4 7UT (GB)