(19)

(11)

EP 2 198 225 A2

(12)

(88) Date of publication A3: 25.06.2009 (43) Date of publication: 23.06.2010 Bulletin 2010/25 (21) Application number: 08800209.2 (22) Date of filing: 11.09.2008

(51) International Patent Classification (IPC):  F25D 19/02(2006.01) F25D 19/00(2006.01) (86) International application number: PCT/BR2008/000277 (87) International publication number: WO 2009/033243 (19.03.2009 Gazette 2009/12)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 12.09.2007 BR PI0703622 (71) Applicants: WHIRLPOOL S.A. 04578-000 São Paulo SP (BR) Universidade Federal De Santa Catarina - UFSC 88040-970 Florianópolis SC (BR)	(72) Inventors: WASNIEVSKI DA SILVA, Luciana 89204-020 Joinville SC (BR) THIESSEN, Márcio, Roberto 89220-600 Joinville SC (BR) CARRARA COUTO, Paulo Rogerio 89206-500 Joinville SC (BR) MEURER DUARTE, Taciani 89110-609 São José SC (BR) (74) Representative: Burt, Matthew Thomas et al Abel & Imray 20 Red Lion Street London WC1R 4PQ 20 Red Lion Street London WC1R 4PQ (GB)