Brake monitoring

A brake (402) is monitored and comprises first (202, 204) and second (206, 204) braking surfaces and magnetizing means (210) that, in response to the electric current supplied to them, are arranged to generate a magnetic field that is arranged to move the braking surfaces (202, 204, 206) from a clos...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	JANTUNEN AAPO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BRAKES CLUTCHES CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUPLINGS FOR TRANSMITTING ROTATION ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MEASURING MECHANICAL ENGINEERING PHYSICS 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:	A brake (402) is monitored and comprises first (202, 204) and second (206, 204) braking surfaces and magnetizing means (210) that, in response to the electric current supplied to them, are arranged to generate a magnetic field that is arranged to move the braking surfaces (202, 204, 206) from a closed state, in which the braking surfaces are connected to each other, to an open state, in which the braking surfaces (202, 204, 206) are separated from each other. The electric current of the brake is determined as the braking surfaces (202, 204, 206) begin to move from the closed state to the open state, the maximum electric current of the magnetizing means (201) of the brake (402) in the open state is determined, the condition of the brake (402) is determined as a current ratio from the electric current measured as the braking surfaces (202, 204, 206) start to move to the maximum electric current.