(19)
(11) EP 4 562 288 A1

(12)

(43) Date of publication:
04.06.2025 Bulletin 2025/23

(21) Application number: 23750760.3

(22) Date of filing: 24.07.2023
(51) International Patent Classification (IPC): 
F02D 41/00(2006.01)
F02P 5/15(2006.01)
F02D 13/02(2006.01)
 F02D 41/10(2006.01)
F02P 5/04(2006.01)
F02D 19/02(2006.01)
(52) Cooperative Patent Classification (CPC):
F02D 2041/001; F02D 41/006; F02D 41/10; F02P 5/1504; F02P 5/045; F02D 41/0027; F02D 13/0265; F02D 41/0007; F02D 13/0261; F02D 13/0238; F02D 13/0269
(86) International application number:
PCT/IB2023/057502
(87) International publication number:
WO 2024/023683 (01.02.2024 Gazette 2024/05)
(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

(30) Priority: 26.07.2022 IT 202200015765

(71) Applicant: MASERATI S.p.A.
41121 Modena (IT)

(72) Inventors:
  • MUSU, Ettore
    41121 Modena (MO) (IT)
  • MASALA, Nicola
    41121 Modena (MO) (IT)

(74) Representative: Buzzi, Notaro & Antonielli d'Oulx S.p.A. 
Corso Vittorio Emanuele II, 6
10123 Torino
10123 Torino (IT)

   


(54) A METHOD FOR MITIGATING THE EMISSIONS OF NITROGEN OXIDES IN A HYDROGEN SPARK-IGNITION INTERNAL COMBUSTION ENGINE DURING A TRANSIENT