(19)

(11)

EP 2 411 749 A1

(12)

(43) Date of publication: 01.02.2012 Bulletin 2012/05 (21) Application number: 09842392.4 (22) Date of filing: 25.03.2009

(51) International Patent Classification (IPC):  F26B 23/02(2006.01) (86) International application number: PCT/SE2009/000158 (87) International publication number: WO 2010/110702 (30.09.2010 Gazette 2010/39)

(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 MK MT NL NO PL PT RO SE SI SK TR (71) Applicant: Svensk Rökgasenergi Intressenter AB 163 08 Spänga (SE)	(72) Inventor: GRANSTRAND, Lennart S-113 33 Stockholm (SE) (74) Representative: Janson, Ronny  Ehrner & Delmar Patentbyrå AB Box 10316 100 55 Stockholm 100 55 Stockholm (SE)