(19)
(11) EP 4 136 352 A1

(12)

(43) Date of publication:
22.02.2023 Bulletin 2023/08

(21) Application number: 21723375.8

(22) Date of filing: 13.04.2021
(51) International Patent Classification (IPC): 
F04B 9/02(2006.01)
 F04B 17/03(2006.01)
(52) Cooperative Patent Classification (CPC):
F04B 17/03; F04B 9/02
(86) International application number:
PCT/IB2021/053037
(87) International publication number:
WO 2021/209894 (21.10.2021 Gazette 2021/42)
(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:
KH MA MD TN

(30) Priority: 15.04.2020 IT 202000007915

(71) Applicant: CFT S.p.A.
43122 Parma (IT)

(72) Inventors:
  • CATELLI, Roberto
    43123 Parma (IT)
  • BELLETTI, Luca
    42123 Reggio Emilia (IT)

(74) Representative: Monelli, Alberto 
Bugnion S.p.A. Largo Michele Novaro 1/A
43121 Parma
43121 Parma (IT)

   


(54) APPARATUS FOR PUMPING FLUIDS CONTAINING SOLID PARTICLES