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(11)

EP 1 963 672 A1

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(43) Date of publication: 03.09.2008 Bulletin 2008/36 (21) Application number: 06828123.7 (22) Date of filing: 20.12.2006

(51) International Patent Classification (IPC):  F04B 35/04(2006.01) F04B 39/12(2006.01) F04B 39/00(2006.01) (86) International application number: PCT/BR2006/000286 (87) International publication number: WO 2007/070999 (28.06.2007 Gazette 2007/26)

(84) Designated Contracting States: IT (30) Priority: 22.12.2005 BR PI0505902 (71) Applicant: WHIRLPOOL S.A. 04578-000 São Paulo SP (BR)	(72) Inventors: MOREIRA, Emerson 89202-005 Joinville - SC (BR) POSSAMAI, Fabrício Caldeira 89217-350 Joinville - SC (BR) GOERGEN, Davi Luis 89217-100 Joinville - SC (BR) IETKA, Marcos Francisco 89217-400 Joinville - SC (BR) (74) Representative: Geyer, Fehners & Partner  Patentanwälte Perhamerstraße 31 80687 München 80687 München (DE)