Electric motor with heat pipes
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United States of America Patent
Stats
-
Aug 4, 2009
Grant Date -
Jan 31, 2008
app pub date -
Jun 19, 2007
filing date -
Jun 19, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electric motor including a motor portion, a cooling portion and a plurality of heat pipes is provided. The motor portion includes a stator and a rotor that when energized with electric current causes the rotor to rotate. The motor portion comprises a motor frame that encloses the rotor and stator from exterior elements. The cooling portion is adjacent the motor portion and exterior of the motor portion. In various embodiments it defines a fluid chamber containing a quantity of fluid that is prevented from contacting interior of the motor portion. The plurality of heat pipes within the motor portion extend from the motor portion to the cooling portion such that the fluid contacts the heat pipe within the cooling portion in order to remove heat from the heat pipe.
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