AXIAL FLOW FAN AND SERIES AXIAL FLOW FAN
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
Dec 3, 2014
filing date -
Dec 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An axial floss fan includes: a casino, defining a wind tunnel; a frame haying a plurality of spokes extended from the casing to the center in the radial direction of the casing so as to be across the wind tunnel, and a frame hub connecting the plurality of spokes at the center in the radial direction of the casing; a stator supported by the frame hub, in which a winding is wounded around the stator; a rotor pivotally supported by the frame hub in a rotatable manner and having a permanent magnet; an impeller fixed to the rotor and having a plurality of rotor blades; and a step part formed in at least one surface of the frame hub.
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