发明公开
- 专利标题： FAN BLADE ASSEMBLY AND METHOD OF BALANCING THE SAME
- 专利标题（中）： 法兰西共和国民族解放运动
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申请号： EP00989572.3申请日： 2000-12-29
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公开(公告)号： EP1159529A1公开(公告)日： 2001-12-05
- 发明人: LINK, Larry, Ray
- 申请人： American Cooling Systems, LLC
- 申请人地址： 5510 33rd Street S.E. Grand Rapid, MI 49512 US
- 专利权人： American Cooling Systems, LLC
- 当前专利权人： American Cooling Systems, LLC
- 当前专利权人地址： 5510 33rd Street S.E. Grand Rapid, MI 49512 US
- 代理机构： HOFFMANN - EITLE
- 优先权： US475925 19991230
- 国际公布： WO0150022 20010712
- 主分类号： F04D29/00
- IPC分类号： F04D29/00
摘要：
A balanced open fan having a fan body (18), a central hub (20) made at least partially of plastic attached to a fan clutch, a plurality of plastic blades (12) attached to the hub, and balancing weights (35) attached to the fan body to balance the fan about its rotational axis. The fan hub has an array of ribs (42) formed on its inner surface. The balancing weights each has the form of a clip and are clipped on the selected ribs on the fan hub.
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