(19)
(11) EP 3 433 495 A1

(12)

(43) Date of publication:
30.01.2019 Bulletin 2019/05

(21) Application number: 17712451.8

(22) Date of filing: 20.03.2017
(51) International Patent Classification (IPC): 
F04D 1/06(2006.01)
F04D 29/44(2006.01)
F04D 29/62(2006.01)
 F04D 17/12(2006.01)
F04D 29/46(2006.01)
(86) International application number:
PCT/EP2017/056499
(87) International publication number:
WO 2017/162553 (28.09.2017 Gazette 2017/39)
(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: 21.03.2016 IT UA20161854

(71) Applicant: Nuovo Pignone Tecnologie SrL
50127 Florence (IT)

(72) Inventors:
  • PANARA, Daniele
    50127 Florence (IT)
  • RIZZO, Emanuele
    50127 Florence (IT)

(74) Representative: Illingworth-Law, William Illingworth 
GPO Europe GE International Inc. The Ark 201 Talgarth Road Hammersmith
London W6 8BJ
London W6 8BJ (GB)

   


(54) CENTRIFUGAL COMPRESSOR WITH LEAKAGE-FREE DIFFUSER BLADES AND METHOD OF ASSEMBLING A CENTRIFUGAL COMPRESSOR