(19)
(11) EP 3 953 571 A1

(12)

(43) Date of publication:
16.02.2022 Bulletin 2022/07

(21) Application number: 19718628.1

(22) Date of filing: 11.04.2019
(51) International Patent Classification (IPC): 
F01L 3/24(2006.01)
 F01L 3/20(2006.01)
(52) Cooperative Patent Classification (CPC):
F01L 3/24; F01L 3/20
(86) International application number:
PCT/EP2019/059211
(87) International publication number:
WO 2020/207586 (15.10.2020 Gazette 2020/42)
(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 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

(71) Applicant: Federal-Mogul Valvetrain GmbH
30890 Barsinghausen (DE)

(72) Inventors:
  • MAREAU, André
    67200 Strasbourg (FR)
  • KELLERMANN, Stefan
    30890 Barsinghausen (DE)

(74) Representative: Kurig, Thomas 
Becker & Kurig Partnerschaft Patentanwälte PartmbB Bavariastrasse 7
80336 München
80336 München (DE)

   


(54) POPPET VALVE HAVING IMPROVED SLIDING SURFACE