Arrangement for an electromagnetic valve timing control

Details Arrangement for an electromagnetic valve timing control Arrangement for an electromagnetic valve timing control

1998-02-27

2000-05-16

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Electrical system

123 9065, 123 9067, 25112901, 25112916, F01L 904

Patent

active

060621818

ABSTRACT:
An arrangement for an electromagnetic valve timing gear has an armature plate which can be adjusted between two end positions and which is held in the end positions by a solenoid system having switching magnets. A spring device with a resilient element is provided on the valve tappet such that, when the solenoid system is not excited, the armature plate takes up an approximate center position between the two switching magnets. The resilient element of the spring device is arranged between two spring plates. The spring plates have an opening, in which case the valve tappet and the spring plate are arranged to be relatively displaceable. On the side of the valve plates facing away from the resilient element, one drive device respectively is provided on the valve tappet, and one path limiting device respectively is provided for the spring plates.

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