(19)

(11)

EP 2 452 144 A1

(12)

(43) Date of publication: 16.05.2012 Bulletin 2012/20 (21) Application number: 09785757.7 (22) Date of filing: 08.07.2009

(51) International Patent Classification (IPC):  F28B 3/04(2006.01) F28B 11/00(2006.01) F28B 9/10(2006.01) (86) International application number: PCT/HU2009/000056 (87) International publication number: WO 2011/004205 (13.01.2011 Gazette 2011/02)

(84) Designated Contracting States: 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 SE SI SK SM TR (71) Applicant: GEA EGI Energiagazdálkodási ZRT. 1117 Budapest (HU)	(72) Inventor: CSABA, Gábor H-1015 Budapest (HU) (74) Representative: Kereszty, Marcell  Gödölle, Kékes, Mészaros & Szabo Patent and Trademark Attorneys Keleti Karoly u. 13/b. 1024 Budapest 1024 Budapest (HU)