(19)

(11)

EP 2 340 394 A2

(12)

(88) Date of publication A3: 06.01.2011 (43) Date of publication: 06.07.2011 Bulletin 2011/27 (21) Application number: 09775690.2 (22) Date of filing: 09.09.2009

(51) International Patent Classification (IPC):  F23D 14/08(2006.01) F23D 14/58(2006.01) (86) International application number: PCT/BR2009/000284 (87) International publication number: WO 2010/045695 (29.04.2010 Gazette 2010/17)

(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 Designated Extension States: AL BA RS (30) Priority: 20.10.2008 BR PI0804615 (71) Applicant: Whirlpool S.A. 04578-000 São Paulo - SP (BR)	(72) Inventors: MACHADO VIEIRA, Emmanuel 89219-020 Joinville - SC (BR) DE GASPARI, Henrique Cesar 89221-510 Joinville - SC (BR) KOLB FILHO, Ricardo 89222-130 Joinville - SC (BR) (74) Representative: Burt, Matthew Thomas  Abel & Imray 20 Red Lion Street London WC1R 4PQ London WC1R 4PQ (GB)