(19)

(11)

EP 1 974 170 A1

(12)

(43) Date of publication: 01.10.2008 Bulletin 2008/40 (21) Application number: 07701636.8 (22) Date of filing: 03.01.2007

(51) International Patent Classification (IPC):  F25B 13/00(2006.01) F25B 39/00(2006.01) F25B 29/00(2006.01) F25B 41/04(2006.01) (86) International application number: PCT/CA2007/000005 (87) International publication number: WO 2007/076602 (12.07.2007 Gazette 2007/28)

(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: 03.01.2006 CA 2530621 (71) Applicant: Free Energy Solutions Inc. Richmond, British Columbia V6V 2K9 (CA)	(72) Inventors: MUELLER, Lynn Richmond, British Columbia V7A 1L1 (CA) GRAHAM, John Vancouver, British Columbia V6R 3Y4 (CA) (74) Representative: Wightman, David Alexander  Barker Brettell LLP 138 Hagley Road Edgbaston Birmingham B16 9PW Edgbaston Birmingham B16 9PW (GB)