Cooling of high speed electromagnetic rotor with fixed terminals
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United States of America Patent
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Jan 3, 2006
Grant Date -
N/A
app pub date -
Aug 31, 2004
filing date -
Aug 31, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A rotary electric machine assembly includes a stator and a shaft including a hollow core. Mounted onto the shaft is an inner-flanged band with an inner hub, a first flange and a first containment band. An outer-flanged band includes an outer hub that nests over the inner hub and defines a coolant passage therebetween. The outer-flanged band includes a second flange and a second containment band. A rotor core is disposed within a space between the first and second flanges. Coolant flowing through the coolant passage absorbs heat from the rotor core. The rotor core includes windings having end portions. The first and second containment flanges radially support the end portions of the windings.
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