Fluid reaction surfaces (i.e. – impellers) – With weight-balancing means
Reexamination Certificate
2011-04-19
2011-04-19
Kershteyn, Igor (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With weight-balancing means
C416S190000
Reexamination Certificate
active
07927074
ABSTRACT:
A fan rotor includes a hub (10), a plurality of blades (20) radially disposed around the hub, and a magnet (30) located in an inner side of the hub. The hub includes a top wall (12) and a sidewall (14) surrounding the top wall. A plurality of spaced first ribs (17) is disposed between the top wall of the hub and a top wall of the magnet. A plurality of spaces (171) is formed between adjacent first ribs for accommodating equilibrium clay (50) therein.
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patent: 5547365 (1996-08-01), Chuang
patent: 7063507 (2006-06-01), Hsieh
patent: 7364400 (2008-04-01), Ku et al.
patent: 7364403 (2008-04-01), Wu et al.
patent: 2006/0269412 (2006-11-01), Yu et al.
Huang Ying-Min
Sun Hong
Yan Jian-Feng
Zhang Yong-Kang
Foxconn Technology Co., Ltd.
Fu Zhun Precision Industry (Shen Zhen) Co. Ltd.
Kershteyn Igor
Knapp Jeffrey T.
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