US Patent 8100664 Impeller for a cooling fan
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Patent abstract
An impeller (10) for a cooling fan includes a hub (20) having a circular wall (22) and an annular sidewall (24) extending upwardly from a periphery of the circular wall, and a plurality of blades (30) extending radially from the sidewall of the hub. Each of the blades includes a first portion (32) near the hub and a second portion (34) away from the hub, wherein each of the second portions has a pair of opposite ribs (36) formed on two lateral sides thereof, thereby reducing a noise level generated by the impeller when the impeller rotates.
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US Patent 08100664 Impeller for a cooling fan US Patent 8100664 Impeller for a cooling fan
Infobox
Patent Number
0810066400
Patent Number
810066400
Edits on 2 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
081006640
Date of Patent
January 24, 2012
0Patent Application Number
119374030
Date Filed
November 8, 2007
0Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
081006640
Date of Patent
January 24, 2012
0Patent Application Number
119374030
Date Filed
November 8, 2007
0Patent Primary Examiner
Edits on 14 Dec, 2021
Golden AI
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Infobox (+7 properties)
US Patent 08100664 Impeller for a cooling fan
Infobox
Is a
Patent jurisdiction
Patent number
08100664
Date of patent
January 24, 2012
Patent application number
11937403
Date Filed
November 8, 2007
Patent primary examiner
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