(19)

(11)

EP 2 661 587 A1

(12)

(43) Date of publication: 13.11.2013 Bulletin 2013/46 (21) Application number: 12732076.0 (22) Date of filing: 05.01.2012

(51) International Patent Classification (IPC):  F24D 5/12(2006.01) F24H 4/06(2006.01) F24D 11/02(2006.01) F24D 9/00(2006.01) (86) International application number: PCT/FI2012/050011 (87) International publication number: WO 2012/093204 (12.07.2012 Gazette 2012/28)

(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: 07.01.2011 FI 20115019 (71) Applicant: Karlstedt, Johan Holger 07970 Strömfors (FI)	(72) Inventor: Karlstedt, Johan Holger 07970 Strömfors (FI) (74) Representative: Berggren Oy Ab  P.O. Box 16 Antinkatu 3 C 00101 Helsinki 00101 Helsinki (FI)