(19)
(11) EP 4 196 758 A1

(12)

(43) Date of publication:
21.06.2023 Bulletin 2023/25

(21) Application number: 21755361.9

(22) Date of filing: 03.08.2021
(51) International Patent Classification (IPC): 
G01M 3/02(2006.01)
(52) Cooperative Patent Classification (CPC):
G01M 3/38; G01M 3/025
(86) International application number:
PCT/EP2021/025294
(87) International publication number:
WO 2022/033715 (17.02.2022 Gazette 2022/07)
(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: 11.08.2020 GB 202012476

(71) Applicant: Caterpillar Energy Solutions GmbH
68167 Mannheim (DE)

(72) Inventor:
  • LENHARDT, Heiko
    68167 Mannheim (DE)

(74) Representative: Nordmeyer, Philipp Werner 
df-mp Dörries Frank-Molnia & Pohlman Patentanwälte Rechtsanwälte PartG mbB Theatinerstraße 16
80333 München
80333 München (DE)

   


(54) METHOD AND LEAKAGE DETECTION UNIT OF AN INTERNAL COMBUSTION ENGINE FOR LOCALIZING LEAKAGE OF AT LEAST ONE GASEOUS MEDIUM AT THE ENGINE