(19)

(11)

EP 2 440 854 A2

(12)

(43) Date of publication: 18.04.2012 Bulletin 2012/16 (21) Application number: 10726180.2 (22) Date of filing: 10.06.2010

(51) International Patent Classification (IPC):  F24D 19/10(2006.01) (86) International application number: PCT/GB2010/050972 (87) International publication number: WO 2010/142993 (16.12.2010 Gazette 2010/50)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 12.06.2009 GB 0910157 (71) Applicant: Howes, Martin Surrey RH5 5EE (GB)	(72) Inventor: Howes, Martin Surrey RH5 5EE (GB) (74) Representative: Fitchett, Stuart Paul  Saunders & Dolleymore LLP European Patent Attorneys 9 Rickmansworth Road Watford WD18 0JU Watford WD18 0JU (GB)