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(11)

EP 2 038 552 A1

(12)

(43) Date of publication: 25.03.2009 Bulletin 2009/13 (21) Application number: 07763807.0 (22) Date of filing: 05.07.2007

(51) International Patent Classification (IPC):  F04B 39/00(2006.01) F04B 39/16(2006.01) (86) International application number: PCT/BR2007/000177 (87) International publication number: WO 2008/003157 (10.01.2008 Gazette 2008/02)

(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: 06.07.2006 BR PI0602962 (71) Applicant: WHIRLPOOL S.A. 04578-000 São Paulo SP (BR)	(72) Inventors: LINK, Rodrigo 89220-021 Joinville - SC (BR) HILLE, Claudio Roberto 89217-170 Joinville - SC (BR) (74) Representative: Geyer, Fehners & Partner  Patentanwälte Perhamerstraße 31 80687 München 80687 München (DE)