发明名称 |
FAN IMPELLER WITH MULTIPLE BLADES SHAPED AND DISPOSED TO PROVIDE HIGH AIR-POWER EFFICIENCY |
摘要 |
<p>A fan impeller with multiple blades shaped and disposed to provide high air-power efficiency. The fan impeller includes a hub, a first plurality of primary blades and a second plurality of secondary blades. The leading edge of the first secondary blade is disposed proximately to the trailing edge of the first primary blade. A leading edge portion of the first secondary blade is also disposed in an inter-blade space between the first primary blade and a second primary blade. A trailing edge portion of the first secondary blade is disposed outside of the inter-blade space and towards a bottom of the hub. A cooling fan including the fan impeller, and an electrical apparatus including the cooling fan that includes the fan impeller are also provided.</p> |
申请公布号 |
WO2013062587(A1) |
申请公布日期 |
2013.05.02 |
申请号 |
WO2011US58373 |
申请日期 |
2011.10.28 |
申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.;FRANZ, JOHN P |
发明人 |
FRANZ, JOHN P |
分类号 |
G06F1/20;H05K7/20 |
主分类号 |
G06F1/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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