(19)

(11)

EP 2 032 904 A1

(12)

(43) Date of publication: 11.03.2009 Bulletin 2009/11 (21) Application number: 07808362.3 (22) Date of filing: 20.09.2007

(51) International Patent Classification (IPC):  F24D 3/12(2006.01) (86) International application number: PCT/KR2007/004579 (87) International publication number: WO 2008/035926 (27.03.2008 Gazette 2008/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 20.09.2006 KR 20060025238 U (71) Applicant: Kim, Doo Nyun Yong-in City, Gyounggi-do 449-552 (KR)	(72) Inventor: Kim, Doo Nyun Yong-in City, Gyounggi-do 449-552 (KR) (74) Representative: Pulieri, Gianluca Antonio  Jacobacci & Partners S.p.A. Piazza dela Vittoria, 11 25122 Brescia 25122 Brescia (IT)