Global Patent Index - EP 1267044 A2

EP 1267044 A2 2002-12-18 - Valve train assembly

Title (en)

Valve train assembly

Title (de)

Ventiltriebanordnung

Title (fr)

Système de distribution à soupapes

Publication

EP 1267044 A2 (EN)

Application

EP 02254154 A

Priority

  • EP 02254154 A
  • EP 01830398 A

Abstract (en)

A rocker arm assembly for a valve train includes a hydraulic lash adjuster (6) for accommodating slack in the valve train. There is also a lost-motion connection preferably between the axle of a roller (14) which is operated upon by a cam and the rocker arm (4) itself. Excessive expansion of the lash adjuster (6) will not prevent closing of the valve (11) because the closing movement is accommodated by the lost-motion connection. A spring (22) is provided to maintain the lost-motion connection despite the tendency of the hydraulic lash adjuster (6) to expand. Greater tolerance in the cam base circle radius is allowed, permitting the use of net-shaped cams. <IMAGE>

IPC 1-7 (main, further and additional classification)

F01L 1/18

IPC 8 full level (invention and additional information)

F01L 1/18 (2006.01); F01L 1/22 (2006.01); F01L 1/24 (2006.01)

CPC (invention and additional information)

F01L 1/2405 (2013.01); F01L 1/182 (2013.01); F01L 1/185 (2013.01); F01L 1/22 (2013.01); F01L 2103/00 (2013.01); F01L 2105/00 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family

EP 1267044 A2 20021218; EP 1267044 A3 20030102; EP 1267044 B1 20050810