Variable valve control for internal combustion engines

The control is produced by non-uniform rotation of the cam shaft wherein the displacement of the rotary axis of the camshaft drive (2) is provided by turning a bearing unit (1) and the drive force of the valve control causes this turning of the bearing unit. The bearing unit can be turned by a sprin...

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Bibliographic Details
Main Author DUMMANN, HANS-PETER, 67585 DORN-DUERKHEIM, DE
Format Patent
LanguageEnglish
German
Published 24.04.1997
Edition6
Subjects
BLASTING
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:The control is produced by non-uniform rotation of the cam shaft wherein the displacement of the rotary axis of the camshaft drive (2) is provided by turning a bearing unit (1) and the drive force of the valve control causes this turning of the bearing unit. The bearing unit can be turned by a spring (6) against the force of the traction means which decreases as the speed increases. The path and/or pretension in the idling side of the driving traction means (7) is changed to support the displacement of the axis of the camshaft drive and/or to dampen the torsion vibrations of the bearing unit.
Bibliography:Application Number: DE1995139146