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(11)

EP 1 706 696 A1

(12)

(43) Date of publication: 04.10.2006 Bulletin 2006/40 (21) Application number: 05704682.3 (22) Date of filing: 07.01.2005

(51) International Patent Classification (IPC):  F28D 20/00(2006.01) F24H 1/52(2006.01) (86) International application number: PCT/SE2005/000008 (87) International publication number: WO 2005/071343 (04.08.2005 Gazette 2005/31)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 23.01.2004 SE 0400138 (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventors: LARSSON, Roland S-216 19 Malmö (SE) DRAKARVE, Kerstin 240 10 Dalby (SE) (74) Representative: Lerwill, John et al A.A. Thornton & Co. 235 High Holborn London, WC1V 7LE London, WC1V 7LE (GB)