ROTOR ASSEMBLY FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR A VEHICLE, AND VEHICLE

ROTOR ASSEMBLY FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR A VEHICLE, AND VEHICLE

A rotor assembly for an electric machine includes a rotor core, a plurality of permanent magnets, which are arranged within a magnet pocket each, formed in the rotor core, with a clearance extending in the axial direction, and a shaft connected to the rotor core for conjoint rotation. A cooling chan...

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Hauptverfasser: SÖNTGERATH, Philipp, KRAIS, Nils
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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creator SÖNTGERATH, Philipp
KRAIS, Nils
description A rotor assembly for an electric machine includes a rotor core, a plurality of permanent magnets, which are arranged within a magnet pocket each, formed in the rotor core, with a clearance extending in the axial direction, and a shaft connected to the rotor core for conjoint rotation. A cooling channel arrangement is formed within the rotor assembly, and includes a first cooling channel extending within the shaft, a second cooling channel fluidically connected to the first cooling channel and extending in the radial direction along an end face of the rotor core, and a third cooling channel, which, adjoining the second cooling channel, extends in the axial direction through the clearances in the magnet pockets. The arrangement further includes a separation element, which separates an interior of the shaft into a first shaft portion, in which the first cooling channel extends, and into a second shaft portion.
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
title ROTOR ASSEMBLY FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR A VEHICLE, AND VEHICLE
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