| 摘要 |
A brushless DC fan including a casing covered with a cover to hold a winding assembly, a fan blade, and a circuit board on the inside, wherein the cover has a raised coupling top raised from a top side thereof, and a plurality of air inlets spaced around the raised coupling top through which air is drawn into the casing; the casing has a top open chamber covered by the cover, a plurality of radiating fins in the top open chamber, and an air outlet in communication with the top open chamber at one side through which air is forced out of the casing; the winding assembly and the circuit board are suspended from the raised coupling top of the cover inside the top open chamber of the casing; the fan blade is pivoted to the winding assembly and suspending in the top open chamber of the casing; the circuit board has rigid electric lead wires extending out of the casing and the cover through wire holes in a downward flange of the cover for connection to power supply.
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