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(11)

EP 2 394 129 A1

(12)

(43) Date of publication: 14.12.2011 Bulletin 2011/50 (21) Application number: 09839772.2 (22) Date of filing: 04.02.2009

(51) International Patent Classification (IPC):  F28F 3/04(2006.01) F28F 3/08(2006.01) F28D 9/00(2006.01) (86) International application number: PCT/SE2009/050110 (87) International publication number: WO 2010/090557 (12.08.2010 Gazette 2010/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventors: SKOGLÖSA, Anders S-252 20 Helsingborg (SE) BERMHULT, Rolf S-226 42 Lund (SE) (74) Representative: Berglund, Stefan  Bjerkéns Patentbyrå KB P.O. Box 5366 102 49 Stockholm P.O. Box 5366 102 49 Stockholm (SE)