(19)
(11) EP 4 249 734 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
30.04.2025 Bulletin 2025/18

(45) Mention of the grant of the patent:
26.03.2025 Bulletin 2025/13

(21) Application number: 22163813.3

(22) Date of filing: 23.03.2022
(51) International Patent Classification (IPC): 
F01M 5/00(2006.01)
F01M 5/02(2006.01)
F01M 11/02(2006.01)
 F01M 1/08(2006.01)
F01M 11/00(2006.01)
(52) Cooperative Patent Classification (CPC):
F01M 1/08; F01M 2001/083; F01M 5/021; F01M 5/02; F01M 11/0004; F01M 2011/0095; F01M 11/02; F01M 2011/023; F01M 5/025; F01M 2005/028

(54)

METHOD AND SYSTEM FOR PREHEATING AT LEAST A PISTON OF AN INTERNAL COMBUSTION ENGINE

VERFAHREN UND SYSTEM ZUM VORWÄRMEN MINDESTENS EINES KOLBENS EINES VERBRENNUNGSMOTORS

PROCÉDÉ ET SYSTÈME DE PRÉCHAUFFAGE D'AU MOINS UN PISTON D'UN MOTEUR À COMBUSTION INTERNE

(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

(43) Date of publication of application:
27.09.2023 Bulletin 2023/39

(73) Proprietor: Aurobay Sweden AB
417 55 Göteborg (SE)

(72) Inventors:
  • BOVO, Mirko
    405 31 Göteborg (SE)
  • BÅSTEDT, Peter
    405 31 Göteborg (SE)

(74) Representative: Zacco Sweden AB 
P.O. Box 5581 Löjtnantsgatan 21
114 85 Stockholm
114 85 Stockholm (SE)


(56) References cited: : 
EP-A1- 3 361 062
DE-A1- 102019 218 933
RU-U1- 201 863
US-A- 2 889 821
 CN-A- 111 441 842
FR-A3- 3 037 999
US-A- 1 931 060
US-A1- 2012 234 286
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).