(19)
(11) EP 3 271 587 A1

(12)

(43) Date of publication:
24.01.2018 Bulletin 2018/04

(21) Application number: 16768970.2

(22) Date of filing: 18.03.2016
(51) International Patent Classification (IPC): 
F04D 29/22(2006.01)
F04D 29/28(2006.01)
(86) International application number:
PCT/JP2016/059789
(87) International publication number:
WO 2016/153068 (29.09.2016 Gazette 2016/39)
(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
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 20.03.2015 IT VI20150081

(71) Applicant: Ebara Corporation
Tokyo 144-8510 (JP)

(72) Inventors:
  • GROPPO, Renato
    38023 Cles (Trento) (IT)
  • BALBO, Fabio
    38023 Cles (Trento) (IT)
  • MATTEAZZI, Mariano
    38023 Cles (Trento) (IT)
  • OBUCHI, Masashi
    Tokyo 144-8510 (JP)
  • SAKIHAMA, Dai
    Tokyo 144-8510 (JP)
  • KUROIWA, So
    Tokyo 144-8510 (JP)

(74) Representative: Schmidbauer, Andreas Konrad 
Wagner & Geyer Partnerschaft Patent- und Rechtsanwälte Gewürzmühlstrasse 5
80538 München
80538 München (DE)

   


(54) IMPELLER FOR CENTRIFUGAL PUMPS