(19)
(11) EP 4 226 033 A1

(12)

(43) Date of publication:
16.08.2023 Bulletin 2023/33

(21) Application number: 21786768.8

(22) Date of filing: 30.09.2021
(51) International Patent Classification (IPC): 
F02F 7/00(2006.01)
(52) Cooperative Patent Classification (CPC):
F16J 15/164; F16J 15/162; F16J 15/4472; F02F 7/0043
(86) International application number:
PCT/EP2021/025374
(87) International publication number:
WO 2022/073636 (14.04.2022 Gazette 2022/15)
(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: 06.10.2020 GB 202015805

(71) Applicant: Caterpillar Motoren GmbH & Co. KG
24159 Kiel (DE)

(72) Inventors:
  • ABRAHAM, Volker
    24159 Kiel (DE)
  • AUGUSTINIACK, Sven
    24159 Kiel (DE)
  • BARTEL, Hartmut
    24159 Kiel (DE)
  • STRUEBING, Hannes
    24159 Kiel (DE)
  • HEROLD, Hendrik
    24159 Kiel (DE)

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

   


(54) CRANKSHAFT SEAL UNIT FOR AN INTERNAL COMBUSTION ENGINE