(19)

(11)

EP 2 044 370 A1

(12)

(43) Date of publication: 08.04.2009 Bulletin 2009/15 (21) Application number: 07766293.0 (22) Date of filing: 18.07.2007

(51) International Patent Classification (IPC):  F24D 12/02(2006.01) F24H 1/18(2006.01) (86) International application number: PCT/GB2007/002726 (87) International publication number: WO 2008/009937 (24.01.2008 Gazette 2008/04)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 18.07.2006 GB 0614185 19.02.2007 GB 0703157 (71) Applicant: Eco Heat T Ltd. Staveley Chesterfield Derbyshire S43 3LS (GB)	(72) Inventors: ROBERTS, Christopher Chesterfield, Derbyshire S43 3LS (GB) SHEPHERD, Raymond Chesterfield, Derbyshire S43 3LS (GB) (74) Representative: Bhimani, Alan  Marks & Clerk 144 New Walk Leicester LE1 7JA Leicester LE1 7JA (GB)