ELECTRIC MOTOR

An electric motor has a switching device, a driving circuit connectable to a voltage supply through the switching device and having a drive shaft, a mechanically acting braking device for braking the drive shaft when disconnecting the electric motor from the voltage supply, a rotor serving to genera...

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Bibliographic Details
Main Authors GUENTHER, KLAUS, KIRN, MANFRED, HORNUNG, FRIEDRICH
Format Patent
LanguageEnglish
French
German
Published 14.06.2000
Edition7
Subjects
BLASTING
BRAKES
CLUTCHES
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
COUPLINGS FOR TRANSMITTING ROTATION
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
GENERATION
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:An electric motor has a switching device, a driving circuit connectable to a voltage supply through the switching device and having a drive shaft, a mechanically acting braking device for braking the drive shaft when disconnecting the electric motor from the voltage supply, a rotor serving to generate torque and acted upon by a mechanical braking force when switching off the voltage supply, at least one radially displaceable part which applies the braking force and is magnetizable and acted upon by an electromagnetic releasing force which is directed opposite to the braking force and is greater than the braking force, and a stator having an axial slit which is overlapped by the part, and at least one shorted turn arranged in an area of the slit.
Bibliography:Application Number: EP19980949917