(19)

(11)

EP 2 510 288 A1

(12)

(43) Date of publication: 17.10.2012 Bulletin 2012/42 (21) Application number: 10836290.6 (22) Date of filing: 08.12.2010

(51) International Patent Classification (IPC):  F24F 12/00(2006.01) F28F 3/08(2006.01) F28D 9/00(2006.01) F28F 21/06(2006.01) (86) International application number: PCT/SE2010/051351 (87) International publication number: WO 2011/071446 (16.06.2011 Gazette 2011/24)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 08.12.2009 SE 0901536 (71) Applicant: NY Kraft Sverige AB 121 07 Stockholm-Globen (SE)	(72) Inventor: HELMENIUS, Erik S-179 96 Ekerö (SE) (74) Representative: Holmberg, Nils Anders Patrik  BRANN AB P.O. Box 12246 102 26 Stockholm 102 26 Stockholm (SE)