Axial flow fan
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United States of America Patent
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Apr 17, 2012
Grant Date -
Mar 26, 2009
app pub date -
Apr 9, 2008
filing date -
Apr 12, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An axial flow fan according to the present invention comprises an impeller which rotates about a central axis and including a plurality of blades, a hollow member accommodating therein the impeller, a base portion which is arranged at the hollow member and supports the base portion in a rotatable manner, a plurality of inner air guide members each connected to the base portion, and a plurality of outer air guide members each connected to the hollow member.
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