Method for controlling an MR-fluid hydraulic mount connected to a vehicle engine

A method of the invention is for controlling an MR-fluid hydraulic mount connected to a vehicle engine. The mount includes an internal MR-fluid cavity. The mount includes a partition plate assembly partitioning the cavity into first and second MR-fluid chambers. The partition plate assembly has an o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BODIE MARK O, BROBEIL THORSTEN, KOCH THORSTEN, BARTA DAVID J, UJHASI MARCO
Format:	Patent
Sprache:	eng
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:	A method of the invention is for controlling an MR-fluid hydraulic mount connected to a vehicle engine. The mount includes an internal MR-fluid cavity. The mount includes a partition plate assembly partitioning the cavity into first and second MR-fluid chambers. The partition plate assembly has an orifice extending from the first MR-fluid chamber to the second MR-fluid chamber. The mount includes an electric coil positioned to magnetically influence the orifice. The method includes, when the vehicle engine is at idle, determining a reference pressure as a fluid pressure within the second MR-fluid chamber. The method includes, when the vehicle engine is above idle, determining a command electric current to be applied to the electric coil using at least a difference between the reference pressure and a current fluid pressure within the second MR-fluid chamber. The method includes applying the command electric output current to the electric coil.