(19)
(11) EP 4 824 444 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24824502.9

(22) Date of filing: 10.12.2024
(51) International Patent Classification (IPC): 
F16H 1/22(2006.01)
F04D 25/16(2006.01)
(52) Cooperative Patent Classification (CPC):
F04D 25/163; F16H 1/222
(86) International application number:
PCT/EP2024/025337
(87) International publication number:
WO 2025/124740 (19.06.2025 Gazette 2025/25)
(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:
GE KH MA MD TN

(30) Priority: 15.12.2023 IT 202300026793

(71) Applicant: Nuovo Pignone Tecnologie - S.r.l.
50127 Florence (IT)

(72) Inventors:
  • BIGI, Manuele
    50127 Florence (IT)
  • CAMATTI, Massimo
    50127 Florence (IT)
  • DOZZINI, Matteo
    50127 Florence (IT)

(74) Representative: Illingworth-Law, William Illingworth 
Baker Hughes 245 Hammersmith Chalk Hill Road
London W6 8DW
London W6 8DW (GB)

   


(54) GEARED TURBOMACHINERY SYSTEM HAVING AT LEAST THREE IMPELLERS WITH NON-PARALLEL ROTATION AXES