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EP 2 054 679 A1

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(43) Date of publication: 06.05.2009 Bulletin 2009/19 (21) Application number: 07794183.9 (22) Date of filing: 23.08.2007

(51) International Patent Classification (IPC):  F25B 39/02(2006.01) F25B 41/00(2006.01) F28F 3/08(2006.01) B01D 1/22(2006.01) F28D 9/00(2006.01) F25B 31/00(2006.01) (86) International application number: PCT/SE2007/050573 (87) International publication number: WO 2008/024066 (28.02.2008 Gazette 2008/09)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 23.08.2006 SE 0601721 (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventors: EKELUND, Rolf S-264 31 Klippan (SE) STENHEDE, Claes I-37124 Verona (IT) BJÖRNSSON, Peter S-227 31 Lund (SE) (74) Representative: Berglund, Stefan  Bjerkéns Patentbyra KB Östermalmsgatan 58 114 50 Stockholm 114 50 Stockholm (SE)