Patent ID: 6718918
Filing Date: 2004-04-13
Classification: F01L

Abstract:
A device for actuating at least one gas exchange valve of an internal combustion engine, comprising for each gas exchange valve a pivoting armature pivotally supported in an armature housing and operatively connected to the gas exchange valve, and a first and a second electromagnetic unit for actuating each pivoting armature, said pivoting armatures and said armature housing forming a first pre-assembled functional group and said first and said second electromagnetic units forming second and respectively third pre-assembled functional groups and said first, second and third pre-assembled functional groups being interconnected and mounted by connection means, said pivoting armatures being mounted on a pivot shaft which is rotatably mounted in said armature housing and torsion bars connected to said pivot shaft for biasing said pivoting armatures in the valve opening direction and levers extending from said torsion bars to said connection means for pre-stressing said torsion bars upon mounting of said connection means.