(19)

(11)

EP 2 734 731 A1

(12)

(43) Date of publication: 28.05.2014 Bulletin 2014/22 (21) Application number: 12745764.6 (22) Date of filing: 19.07.2012

(51) International Patent Classification (IPC):  F04B 35/04(2006.01) F04B 53/00(2006.01) F04B 39/00(2006.01) (86) International application number: PCT/BR2012/000245 (87) International publication number: WO 2013/010237 (24.01.2013 Gazette 2013/04)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 21.07.2011 BR PI1103314 (71) Applicant: Whirlpool S.A. 04578-000 São Paulo SP (BR)	(72) Inventors: ROMAN, Alisson Luiz CEP-89219-320 Joinville - SC (BR) JUNIOR, Otávio Santini 89220-420 Joinville - SC (BR) (74) Representative: Soldatini, Andrea et al Società Italiana Brevetti S.p.A. Corso dei Tintori, 25 50122 Firenze 50122 Firenze (IT)