LABYRINTH SEAL FOR THREE-PHASE MACHINES

The present invention relates to electrical machines having a shaft rotatably supported in a housing and having a labyrinth seal with labyrinth contours engaging into one another for sealing the housing with respect to the shaft. The invention in this respect in particular relates to the labyrinth s...

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Bibliographic Details
Main Authors MENDES, Marijo, LIS, Johann, GRANER, Klaus
Format Patent
LanguageEnglish
French
German
Published 16.05.2018
Subjects
BEARINGS
BLASTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
CYLINDERS
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
GENERATION
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SEALINGS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The present invention relates to electrical machines having a shaft rotatably supported in a housing and having a labyrinth seal with labyrinth contours engaging into one another for sealing the housing with respect to the shaft. The invention in this respect in particular relates to the labyrinth seal for sealing the housing of a three-phase machine with respect to a shaft rotatable relative to the housing. In accordance with the invention, at least one side of the labyrinth seal is at least provided with an insulating coating in the region of the labyrinth contours.
Bibliography:Application Number: EP20140786611