(19)

(11)

EP 2 622 297 A1

(12)

(43) Date of publication: 07.08.2013 Bulletin 2013/32 (21) Application number: 10767923.5 (22) Date of filing: 30.09.2010

(51) International Patent Classification (IPC):  F28D 7/16(2006.01) F28F 27/02(2006.01) (86) International application number: PCT/EP2010/005968 (87) International publication number: WO 2012/041344 (05.04.2012 Gazette 2012/14)

(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 SE SI SK SM TR (71) Applicant: Haldor Topsøe A/S 2800 Kgs. Lyngby (DK)	(72) Inventor: CHRISTIANSEN, Hans Georg DK-2800 Kgs. Lyngby (DK)