(19)

(11)

EP 1 963 747 A2

(12)

(88) Date of publication A3: 23.08.2007 (43) Date of publication: 03.09.2008 Bulletin 2008/36 (21) Application number: 06828750.7 (22) Date of filing: 19.12.2006

(51) International Patent Classification (IPC):  F23Q 2/28(2006.01) F23N 5/00(2006.01) F23Q 3/00(2006.01) (86) International application number: PCT/DK2006/000728 (87) International publication number: WO 2007/071247 (28.06.2007 Gazette 2007/26)

(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 NL PL PT RO SE SI SK TR (30) Priority: 22.12.2005 DK 200501821 (71) Applicant: Danfoss A/S 6430 Nordborg (DK)	(72) Inventor: PETERSEN, Ken DK-6470 Sydals (DK)