(19)

(11)

EP 1 842 022 A1

(12)

(43) Date of publication: 10.10.2007 Bulletin 2007/41 (21) Application number: 06700449.9 (22) Date of filing: 13.01.2006

(51) International Patent Classification (IPC):  F28F 3/10(2006.01) (86) International application number: PCT/SE2006/000049 (87) International publication number: WO 2006/080874 (03.08.2006 Gazette 2006/31)

(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: 28.01.2005 SE 0500216 (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventor: SVENSSON, Magnus S-SE-224 73 Lund (SE)