(19)

(11)

EP 2 652 415 A1

(12)

(43) Date of publication: 23.10.2013 Bulletin 2013/43 (21) Application number: 11848400.5 (22) Date of filing: 13.12.2011

(51) International Patent Classification (IPC):  F24H 1/18(2006.01) (86) International application number: PCT/SE2011/000227 (87) International publication number: WO 2012/082042 (21.06.2012 Gazette 2012/25)

(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: 13.12.2010 SE 1001186 (71) Applicant: Ratanjafabrikema AB 103 66 Stockholm (SE)	(72) Inventor: STENVINKEL, Bengt I-61019 S.Agata Feltria (IT) (74) Representative: Rosenquist, Per Olof et al Wallengren & Partners P.O. Box 116 331 21 Värnamo 331 21 Värnamo (SE)