(19)
(11) EP 4 507 949 A1

(12)

(43) Date of publication:
19.02.2025 Bulletin 2025/08

(21) Application number: 23720421.9

(22) Date of filing: 30.03.2023
(51) International Patent Classification (IPC): 
B61L 23/04(2006.01)
G01D 5/244(2006.01)
 B61L 25/02(2006.01)
G01P 21/02(2006.01)
(52) Cooperative Patent Classification (CPC):
B61L 23/042; B61L 25/026; G01P 21/02; G01D 18/001
(86) International application number:
PCT/US2023/016828
(87) International publication number:
WO 2023/200598 (19.10.2023 Gazette 2023/42)
(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: 13.04.2022 US 202217719811

(71) Applicant: BNSF Railway Company
Fort Worth, TX 76131 (US)

(72) Inventors:
  • KRUEGER, Darrell, R.
    Lecompton, KS 66050 (US)
  • WILLS, Corey, D.
    Berryton, KS 66409 (US)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) SYSTEM AND METHOD FOR MINIMIZING LOST VEHICLE AXEL MOTION AND FILTERING ERRONEOUS ELECTRICAL SIGNALS IN A ROTARY ENCODER