COOLING OF AN ELECTRIC MACHINE

An electric machine includes a housing, a stator, a rotor which is rotatably mounted in a receiving area of the stator, a cooling device for discharging heat out of the housing, a heat exchanger which can be supplied with cooling air and which is arranged on the housing and is coupled to the cooling...

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Bibliographic Details
Main Authors WINKLER, Günther, ROGGINGER, Christoph, WILLEMS, Patric, WEISS, Sebastian
Format Patent
LanguageEnglish
French
German
Published 31.03.2021
Subjects
BLASTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:An electric machine includes a housing, a stator, a rotor which is rotatably mounted in a receiving area of the stator, a cooling device for discharging heat out of the housing, a heat exchanger which can be supplied with cooling air and which is arranged on the housing and is coupled to the cooling device, a cooling air channel, and a fan for introducing cooling air into the cooling air channel. The fan has a fan wheel rotatably mounted in a fan housing between two opposing air inlet openings of the fan housing. At least some regions of one of the two air inlet openings have a nozzle-type configuration. An air outlet opening is arranged in a radial direction of the fan wheel.
Bibliography:Application Number: EP20180707302