Blower fan
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Mar 13, 2014
filing date -
Jul 18, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stationary portion of a blower fan according to a preferred embodiment of the present invention includes a stator and a stator holding portion to which the stator is fixed. A rotating portion of the blower fan includes an annular rotor hub portion arranged around a central axis; a rotor magnet arranged along a circumferential surface of the rotor hub portion, and arranged radially inside a stator; and an impeller including a plurality of blades arranged along a circumferential direction of the rotor hub portion. An upper end of the stator is arranged at a level lower than that of an upper end of the rotor magnet. The impeller is arranged axially above the rotor magnet and is arranged to extend radially outward. The blades are arranged axially above the stator.
First Claim
Family
International Classification(s)
Cited Art Landscape
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