AXIAL FLOW FAN FOR EXTERNAL ROTOR
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United States of America Patent
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Issued Date -
Jan 27, 2011
app pub date -
Jul 5, 2010
filing date -
Jul 27, 2009
priority date (Note) -
Abandoned
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Abstract
An axial flow fan for an external rotor, including at least: an axial flow blade, a support comprising an annular cylinder and multiple installation pins, and an external rotor motor comprising an external rotor. The installation pins are extended from the outside of the annular cylinder. The axial flow blade is disposed on the installation pin. The annular cylinder is fit on the external rotor of the external rotor motor. The flow fan features simple and convenient assembling, reliable connection, high production efficiency, low requirement for workers, and low production cost.
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