Rotor for an electric machine and method for retrofit
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United States of America Patent
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Oct 18, 2016
Grant Date -
Dec 12, 2013
app pub date -
Jun 5, 2013
filing date -
Jun 6, 2012
priority date (Note) -
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Abstract
The rotor for an electric machine comprises a shaft, a spider on the shaft, a laminated drum on the spider. The spider has a plurality of apart elements defining ducts between each other. The laminated drum has a plurality of cooling channels connected to the ducts. The rotor also has throttle elements associated to at least one duct and/or cooling channel.
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