Brushless DC ring motor cooling system
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United States of America Patent
Stats
-
Jul 29, 2003
Grant Date -
Jan 10, 2002
app pub date -
May 3, 2001
filing date -
May 3, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cooling system for a vehicle includes a shroud attachable to a fixed portion of the vehicle. A stator assembly for a brushless DC ring motor is attached to at least one mounting support of the shroud. A cooling fan is piloted on the stator assembly, and includes a ring supporting a plurality of fan blades for sweeping an area inside the shroud. A rotor assembly for the brushless DC ring motor is attached to the ring of the cooling fan. The rotor assembly confronts the stator assembly around an outer diameter of the stator assembly. The cooling system is controlled by an electronic controller to rotate the cooling fan to provide appropriate cooling for the vehicle.
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