(19)

(11)

EP 2 342 510 A1

(12)

(43) Date of publication: 13.07.2011 Bulletin 2011/28 (21) Application number: 09736631.4 (22) Date of filing: 02.10.2009

(51) International Patent Classification (IPC):  F25B 25/02(2006.01) (86) International application number: PCT/GB2009/002360 (87) International publication number: WO 2010/038037 (08.04.2010 Gazette 2010/14)

(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 MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 03.10.2008 GB 0818162 (71) Applicant: Energyexcel LLP Gloucester, Gloucestershire GL1 3ND (GB)	(72) Inventors: COLEMAN, Tony Sutton SM2 5JY (GB) WALLACE, Ciaran Middlesex TW2 7PY (GB) (74) Representative: Leeming, John Gerard  J.A. Kemp & Co. 14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)