(19)

(11)

EP 1 848 947 A1

(12)

(43) Date of publication: 31.10.2007 Bulletin 2007/44 (21) Application number: 06701861.4 (22) Date of filing: 06.02.2006

(51) International Patent Classification (IPC):  F28F 3/08(2006.01) F28D 9/00(2006.01) (86) International application number: PCT/SE2006/000160 (87) International publication number: WO 2006/088409 (24.08.2006 Gazette 2006/34)

(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: 15.02.2005 SE 0500351 (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventors: LARSSON, Roland S-216 19 Malmö (SE) DRAKARVE, Kerstin S-240 10 Dalby (SE)