(19)

(11)

EP 1 856 413 A2

(12)

(88) Date of publication A3: 28.12.2006 (43) Date of publication: 21.11.2007 Bulletin 2007/47 (21) Application number: 06721573.1 (22) Date of filing: 01.02.2006

(51) International Patent Classification (IPC):  F04B 39/00(2006.01) (86) International application number: PCT/BR2006/000011 (87) International publication number: WO 2006/081642 (10.08.2006 Gazette 2006/32)

(84) Designated Contracting States: DE ES FR IT (30) Priority: 01.02.2005 BR PI0500338 (71) Applicant: WHIRLPOOL S.A. 04578-000 São Paulo SP (BR)	(72) Inventors: LILIE, Dietmar Erich Bernhard 89204-060 Joinville - Sc (BR) PUFF, Rinaldo 89220-160 Joinville - Sc (BR) FELDMANN, Alberto Bruno 89221-570 Joinville - Sc (BR) (74) Representative: Geyer, Fehners & Partner  Patentanwälte Perhamerstraße 31 80687 München 80687 München (DE)