(19)

(11)

EP 2 132 492 A2

(12)

(43) Date of publication: 16.12.2009 Bulletin 2009/51 (21) Application number: 08719033.6 (22) Date of filing: 17.03.2008

(51) International Patent Classification (IPC):  F24H 9/12(2006.01) F24D 19/10(2006.01) F24D 3/12(2006.01) F24D 3/08(2006.01) (86) International application number: PCT/GB2008/050188 (87) International publication number: WO 2008/114051 (25.09.2008 Gazette 2008/39)

(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 (30) Priority: 16.03.2007 GB 0705082 (71) Applicant: Chelmer Advanced Thermostores Limited Chelmer Village Chelmsford Essex CM2 6WQ (GB)	(72) Inventor: WITHERSPOON, Brent Peter Essex CM2 6WQ (GB) (74) Representative: Walder, Jeremy Thomas et al Sanderson & Co., 34, East Stockwell Street Colchester, Essex CO1 1ST Colchester, Essex CO1 1ST (GB)