US Patent 10539149 Impeller and fan
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Patent abstract
An impeller comprises a hub and a plurality of blades surrounding the hub. The hub comprises a shaft. Each blade includes a leading edge, an outer edge, a middle portion and a trailing edge. The leading edge, the outer edge and the trailing edge are around three sides of the middle portion. From the hub outwardly shaft, the height of the leading edge to the horizontal plane of the lowest of the blade gradually decreases first and then gradually increases.
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Patent Inventor Names
Chao-Fu Yang0
Shun-Chen Chang0
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
105391490
Date of Patent
January 21, 2020
0Patent Application Number
150106480
Date Filed
January 29, 2016
0Patent Primary Examiner
Edits on 1 Feb, 2022
Golden AI
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US Patent 10539149 Impeller and fan
Infobox
Is a
Patent jurisdiction
Patent number
10539149
Date of patent
January 21, 2020
Patent application number
15010648
Date Filed
January 29, 2016
Patent primary examiner
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