发明名称 |
High efficiency ceiling fan |
摘要 |
Ceiling fan energy consumption efficiency is enhanced with fan blades that have an angle attack that decreases from root end to tip end at higher rates of decrease nearer their tip ends than at their root ends.
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申请公布号 |
US2005002791(A1) |
申请公布日期 |
2005.01.06 |
申请号 |
US20040837934 |
申请日期 |
2004.05.03 |
申请人 |
BIRD GREGORY M.;STAUFFER MICHAEL J.;SRASS HADI |
发明人 |
BIRD GREGORY M.;STAUFFER MICHAEL J.;SRASS HADI |
分类号 |
F04D25/08;F04D29/38;(IPC1-7):B63H1/20 |
主分类号 |
F04D25/08 |
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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