(19)

(11)

EP 1 941 211 A1

(12)

(43) Date of publication: 09.07.2008 Bulletin 2008/28 (21) Application number: 06755635.7 (22) Date of filing: 23.06.2006

(51) International Patent Classification (IPC):  F24D 11/02(2006.01) (86) International application number: PCT/GB2006/002349 (87) International publication number: WO 2006/136860 (28.12.2006 Gazette 2006/52)

(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 NL PL PT RO SE SI SK TR (30) Priority: 23.06.2005 GB 0512813 (71) Applicant: Ice Energy (Scotland) Ltd. Kippen FK8 3HL (GB)	(72) Inventors: COPLAND, Alton Bews Orkney KW17 2JR (GB) WARWICK, Henry Stewart Kippen, Stirling, FK8 3HL (GB) (74) Representative: Fulton, David James et al Murgitroyd & Company 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)