(19)
(11) EP 4 505 053 A1

(12)

(43) Date of publication:
12.02.2025 Bulletin 2025/07

(21) Application number: 22720693.5

(22) Date of filing: 05.04.2022
(51) International Patent Classification (IPC): 
F01P 3/10(2006.01)
F01M 1/08(2006.01)
(52) Cooperative Patent Classification (CPC):
F01P 3/10; F01M 1/08; F01M 2001/086
(86) International application number:
PCT/EP2022/058958
(87) International publication number:
WO 2023/193885 (12.10.2023 Gazette 2023/41)
(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

(71) Applicant: Wärtsilä Finland Oy
65100 Vaasa (FI)

(72) Inventors:
  • OJALA, Sami
    65100 Vaasa (FI)
  • RAUKOLA, Juho
    65100 Vaasa (FI)
  • KYTÖLÄ, Harri Aleksi
    65100 Vaasa (FI)
  • GRÖNLUND, Jaakko
    65100 Vaasa (FI)
  • KOIVISTO, Kalle
    Vaasa 65100 (FI)

(74) Representative: Genip Oy 
Heikinkatu 7
48100 Kotka
48100 Kotka (FI)

   


(54) A NOZZLE FOR A COOLING ARRANGEMENT OF A PISTON IN AN INTERNAL COMBUSTION PISTON ENGINE AND A COOLING ARRANGEMENT FOR A PISTON OF AN INTERNAL COMBUSTION PISTON ENGINE