(19)

(11)

EP 2 394 099 A1

(12)

(43) Date of publication: 14.12.2011 Bulletin 2011/50 (21) Application number: 10736098.4 (22) Date of filing: 20.01.2010

(51) International Patent Classification (IPC):  F24D 10/00(2006.01) (86) International application number: PCT/SE2010/050051 (87) International publication number: WO 2010/087759 (05.08.2010 Gazette 2010/31)

(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 (30) Priority: 30.01.2009 SE 0900107 (71) Applicant: D-Con 941 63 Piteå (SE)	(72) Inventors: DELSING, Jerker S-941 63 Piteå (SE) VAN DEVENTER, Jan S-974 51 Luleå (SE) GUSTAFSSON, Jonas S-973 43 Luleå (SE) (74) Representative: Edlund, Fabian et al Awapatent AB P.O. Box 11394 404 28 Göteborg 404 28 Göteborg (SE)