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US 2003/0118449 A1Published application
Cooling fan with curved V-shaped impellers
AssigneeSheng-Shyan Yang
InventorSheng-An Yang
Life of this patent
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Abstract
A cooling fan includes a rotatable hub and a plurality of generally V-shaped impellers that are angularly displaced from each other and that extend outwardly from the hub. Each of the impellers has first and second impeller halves that extend outwardly from the hub and that are connected to each other so as to form cooperatively an angle therebetween.
Claims4
A cooling fan comprising:
- a rotatable hub;
- and
- a plurality of generally V-shaped impellers that are angularly displaced from each other and that extend outwardly from said hub, each of said impellers having first and second impeller halves that extend outwardly from said hub and that are connected to each other so as to form cooperatively an angle therebetween.
Dependencies are inferred from the claim text.