AIR BLOWER
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United States of America Patent
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Issued Date -
Jun 27, 2019
app pub date -
Dec 19, 2018
filing date -
Dec 19, 2018
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Abstract
In an air blower, an exhaust extends in a first direction that is a radial component of an impeller, and includes fins. Assuming that a distance from a line segment extending from a central axis in the first direction to an array of the fins upstream of an airflow caused by rotation of the impeller is a first predetermined distance, at least a portion of the fins are disposed in a first region upstream from the first predetermined distance and in a second region downstream from the first predetermined distance. The distance between the fins in the first region is shorter than the distance between the fins in the second region.
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