LIQUID COOLED EXTERNAL ROTOR ELECTRIC MACHINE
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United States of America Patent
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Issued Date -
Jan 19, 2017
app pub date -
Feb 4, 2015
filing date -
Feb 12, 2014
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An embodiment of a liquid cooled external rotor electric machine includes a stator, a generally cylindrical liquid cooling assembly secured to the stator therein, a rotor including a generally cylindrical shaped support having permanent magnets secured to its inner surface, an output shaft coaxially mounted to the rotor therein and a coupling assembly that biases the cooling assembly onto the stator and operatively mounts together the stator and cooling assembly to the output shaft. Mounting the shaft to the rotor and to the liquid cooling system yields a compact assembly where no housing is required for the alignment of the stator and rotor.
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