(19)
(11) EP 4 770 804 A1

(12)

(43) Date of publication:
08.07.2026 Bulletin 2026/28

(21) Application number: 23805200.5

(22) Date of filing: 28.08.2023
(51) International Patent Classification (IPC): 
B04B 3/00(2006.01)
B04B 3/06(2006.01)
 B04B 11/02(2006.01)
(52) Cooperative Patent Classification (CPC):
B04B 3/06; B04B 3/00; B04B 11/02
(86) International application number:
PCT/PL2023/050070
(87) International publication number:
WO 2025/048656 (06.03.2025 Gazette 2025/10)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(71) Applicants:
  • Politechnika Wroclawska
    50-370 Wroclaw (PL)
  • Four Point Sp.z o.o.
    51-162 Wroclaw (PL)

(72) Inventors:
  • MOCZKO, Przemys aw
    51-420 Wroc aw (PL)
  • PIETRUSIAK, Damian
    51-504 Wroc aw (PL)
  • WRÓBEL, Jakub
    53-307 Wroc aw (PL)
  • FRYCKOWSKI, Oskar
    51-503 Wroc aw (PL)
  • WILGUCKI, Marek
    51-679 Wroc aw (PL)
  • MA ACHOWSKI, Mi osz
    55-114 Piotrowiczki (PL)

(74) Representative: Czarnik, Maciej 
Triloka Czarnik Ozóg Kancelaria Patentowa i Adwokacka sp.p. ul. Kornela Ujejskiego 12/7
30-102 Kraków
30-102 Kraków (PL)

   


(54) CENTRIFUGAL SEPARATOR IMPELLER AND METHOD OF SIEVING OF BULK MATERIALS IN THE CENTRIFUGAL SEPARATOR