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(11)

EP 2 684 003 A1

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(43) Date of publication: 15.01.2014 Bulletin 2014/03 (21) Application number: 11713248.0 (22) Date of filing: 06.04.2011

(51) International Patent Classification (IPC):  F28F 1/40(2006.01) F28F 13/18(2006.01) (86) International application number: PCT/EP2011/055295 (87) International publication number: WO 2012/119661 (13.09.2012 Gazette 2012/37)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 10.03.2011 CN 201110057011 (71) Applicant: Luvata Espoo OY 02100 Espoo (FI)	(72) Inventor: DENG, Wenjia Zhongshan Guangdong (CN) (74) Representative: Eurenius, Karin Lisa Maria et al Bjerkéns Patentbyrå KB P.O. Box 1274 801 37 Gävle 801 37 Gävle (SE)