EP 3494291 B1 20210217 - HYDRAULIC TAPPET
Title (en)
HYDRAULIC TAPPET
Title (de)
HYDRAULISCHE VENTILSTÖSSEL
Title (fr)
POUSSOIR DE SOUPAPE HYDRAULIQUE
Publication
Application
Priority
- IT 201600083173 A 20160805
- IB 2017054642 W 20170731
Abstract (en)
[origin: WO2018025149A1] Described is a hydraulic tappet of an internal combustion engine, comprising a rocker (2) oscillating about a respective axis (A1) of oscillation to control the movement of at least one valve, the rocker (2) having, at a relative arm (B2), a through cavity (5) extending with axial symmetry having a central axis (A2) skew relative to the above-mentioned axis (A1) of oscillation, the cavity (5) having an inner wall (5a), a lower outlet (6) and a upper outlet (7) longitudinally opposite each other; a plunger (8) engaged slidably inside the cavity (5) and emerging from it partially at the relative lower outlet (6), the plunger (8) being configured to engage with a respective element (9) for pushing at least one valve; a check valve unit (10) designed to adjust a flow of oil circulating inside the cavity (5), the valve unit (10) comprising a main body (11) located inside the cavity (5) for closing the relative upper outlet (7).
IPC 8 full level
CPC (source: EP)
F01L 1/181 (2013.01); F01L 1/2411 (2013.01); F01L 1/26 (2013.01); F01L 2305/00 (2020.05)
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
DOCDB simple family (publication)
WO 2018025149 A1 20180208; CN 109790764 A 20190521; CN 109790764 B 20210430; EP 3494291 A1 20190612; EP 3494291 B1 20210217; IT 201600083173 A1 20180205
DOCDB simple family (application)
IB 2017054642 W 20170731; CN 201780059810 A 20170731; EP 17748575 A 20170731; IT 201600083173 A 20160805