(19)

(11)

EP 2 859 292 A2

(12)

(43) Date of publication: 15.04.2015 Bulletin 2015/16 (21) Application number: 13799978.5 (22) Date of filing: 31.05.2013

(51) International Patent Classification (IPC):  F26B 17/20(2006.01) (86) International application number: PCT/FI2013/050589 (87) International publication number: WO 2013/182744 (12.12.2013 Gazette 2013/50)

(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 Designated Extension States: BA ME (30) Priority: 06.06.2012 FI 20125614 (71) Applicant: CCM-Power Oy 90460 Oulunsalo (FI)	(72) Inventors: AHVENSALMI, Pekka FI-90420 Oulu (FI) MAJAVA, Heikki FI-90460 Oulunsalo (FI) SORVARI, Markku FI-91900 Liminka (FI) (74) Representative: Berggren Oy Ab  Sepänkatu 20 90100 Oulu 90100 Oulu (FI)