(19)
(11) EP 4 771 259 A1

(12)

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

(21) Application number: 24766085.5

(22) Date of filing: 13.08.2024
(51) International Patent Classification (IPC): 
F01N 3/023(2006.01)
F01N 11/00(2006.01)
 F01N 9/00(2006.01)
(52) Cooperative Patent Classification (CPC):
F01N 3/023; F01N 9/002; F01N 11/002; F01N 2560/08; F01N 2900/0412; F01N 2900/1406; F01N 2900/1411; F01N 2900/08; F01N 2900/1606
(86) International application number:
PCT/IB2024/057848
(87) International publication number:
WO 2025/046360 (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:
GE KH MA MD TN

(30) Priority: 30.08.2023 IT 202300017853

(71) Applicant: Stellantis Europe S.p.A.
10135 Torino (TO) (IT)

(72) Inventors:
  • AMORESE, Vitantonio
    10135 Torino (IT)
  • KHAN, Muhammad Rizwan S.
    Auburn Hills, Michigan 48326 (US)

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

   


(54) A METHOD FOR ESTIMATING AN AMOUNT OF PARTICULATE MATTER IN A PARTICULATE FILTER FOR A SPARK-IGNITION ENGINE