(19)
(11) EP 4 256 140 A1

(12)

(43) Date of publication:
11.10.2023 Bulletin 2023/41

(21) Application number: 21836067.5

(22) Date of filing: 07.12.2021
(51) International Patent Classification (IPC): 
E02F 9/26(2006.01)
 E02F 9/22(2006.01)
(52) Cooperative Patent Classification (CPC):
E02F 9/267; E02F 9/2253
(86) International application number:
PCT/EP2021/084653
(87) International publication number:
WO 2022/122761 (16.06.2022 Gazette 2022/24)
(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

(30) Priority: 07.12.2020 IT 202000030083

(71) Applicant: CNH Industrial Italia S.p.A.
10156 Torino (IT)

(72) Inventors:
  • GARRAMONE, Adriano
    73100 Lecce (IT)
  • GRAVILI, Andrea
    73100 Lecce (IT)
  • LIBERTI, Stefano
    73100 Lecce (IT)
  • VENEZIA, Antonio
    10153 Torino (IT)

(74) Representative: CNH Industrial IP Department 
Leon Claeysstraat 3A
8210 Zedelgem
8210 Zedelgem (BE)

   


(54) METHODS FOR DETECTING A FAILURE OF A SPEED SENSOR MEANS OF A WORK VEHICLE, CORRESPONDING CONTROL SYSTEM AND WORK VEHICLE COMPRISING SUCH CONTROL SYSTEM