(19)

(11)

EP 2 092 251 A1

(12)

(43) Date of publication: 26.08.2009 Bulletin 2009/35 (21) Application number: 07834471.0 (22) Date of filing: 25.09.2007

(51) International Patent Classification (IPC):  F25B 30/04(2006.01) F25B 15/00(2006.01) C09K 5/04(2006.01) (86) International application number: PCT/LV2007/000003 (87) International publication number: WO 2008/063039 (29.05.2008 Gazette 2008/22)

(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 (30) Priority: 21.11.2006 LV 060129 (71) Applicant: Energijas Centrs, SIA 5316 Livani (LV)	(72) Inventor: SILINS, Uldis 5316 Preilu raj. (LV) (74) Representative: Fortuna, Jevgenijs  Foral Patent Law Office Boulevard Raina 19 LV-1159 Riga LV-1159 Riga (LV)