MACHINE AND METHOD FOR MONITORING THE STATE OF A SAFETY BEARING OF A MACHINE

In a method for monitoring a state of a safety bearing of a rotor shaft of a machine, with the rotor shaft being supported by a magnetic bearing and the safety bearing having an outer ring and an inner ring arranged for rotation with respect to the outer ring, the rotor shaft of the machine is caugh...

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Bibliographische Detailangaben
Hauptverfasser:	WALTER HARTMUT, GEORGI JAN
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MECHANICAL ENGINEERING PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	In a method for monitoring a state of a safety bearing of a rotor shaft of a machine, with the rotor shaft being supported by a magnetic bearing and the safety bearing having an outer ring and an inner ring arranged for rotation with respect to the outer ring, the rotor shaft of the machine is caught with the safety bearing when the magnetic bearing of the machine fails. The magnetic bearing is witched off for monitoring the state of the safety bearing. The rotor shaft is rotated with the machine under control of a higher-ranking controller by using a defined motion sequence, and a physical variable of the safety bearing is measured with a sensor.