(19)

(11)

EP 2 516 936 A1

(12)

(43) Date of publication: 31.10.2012 Bulletin 2012/44 (21) Application number: 10838755.6 (22) Date of filing: 22.12.2010

(51) International Patent Classification (IPC):  F24F 12/00(2006.01) (86) International application number: PCT/FI2010/051071 (87) International publication number: WO 2011/077007 (30.06.2011 Gazette 2011/26)

(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: 23.12.2009 FI 20096397 (71) Applicant: RECAIR OY 04300 Tuusula (FI)	(72) Inventors: FALCK, Tommi FI-07510 Vakkola (FI) SÖDERHOLM, Jan FI-06100 Borgå (FI) (74) Representative: Söderman, Lisbeth Karin et al BORENIUS & Co Oy Ab Itämerenkatu 5 00180 Helsinki 00180 Helsinki (FI)