EP 3953571 A1 20220216 - POPPET VALVE HAVING IMPROVED SLIDING SURFACE
Title (en)
POPPET VALVE HAVING IMPROVED SLIDING SURFACE
Title (de)
TELLERVENTIL MIT VERBESSERTER GLEITFLÄCHE
Title (fr)
SOUPAPE CHAMPIGNON AYANT UNE SURFACE DE COULISSEMENT AMÉLIORÉE
Publication
Application
Priority
EP 2019059211 W 20190411
Abstract (en)
[origin: WO2020207586A1] The invention relates to a poppet valve (2) which has improved sliding characteristics, comprising a valve head (4), a valve shaft 6, and a valve shaft end. A sliding surface SL is extending along said valve shaft 6 between said valve head (4) and said valve shaft end (8). Said sliding surface SL is provided with at least one recess (10, 12, 14, 16, 18).
IPC 8 full level
CPC (source: EP)
F01L 3/20 (2013.01); F01L 3/24 (2013.01); F01L 2810/02 (2013.01)
Designated contracting state (EPC)
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 state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 2019059211 W 20190411; EP 19718628 A 20190411