Active vibration damping for road vehicle e.g. crankshaft - has speed monitored to generate input to absorber that applies electro magnetic field to flywheel

An active vibration damping system is applied to such as the crankshaft of a vehicle engine. Coupled to the crankshaft is a velocity sensor that provides an output compared with a reference. An output is applied to a linear motor (14) base absorber. This has a holder (28) that spans a flywheel disc...

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Bibliographische Detailangaben
Hauptverfasser:	ZEYEN, KLAUS-PETER, MASBERG, ULLRICH
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An active vibration damping system is applied to such as the crankshaft of a vehicle engine. Coupled to the crankshaft is a velocity sensor that provides an output compared with a reference. An output is applied to a linear motor (14) base absorber. This has a holder (28) that spans a flywheel disc (18) mounted on the crankshaft. Stator coils (24) with a set gap (26) relative to the flywheel are energised to provide a variable electromagnetic field for damping. The outer ring of the flywheel is isolated (20) from the main body.