Thin fan structure

Details Thin fan structure Thin fan structure

2011-01-04

2011-01-04

Kramer, Devon C (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C417S423700, C417S423140, C417S423150, C417S424100, C415S220000, C415S229000

Reexamination Certificate

active

07862309

ABSTRACT:
A thin fan structure is composed of a driving unit and a rotating unit. The driving unit has a base, a coil circuit board and a shaft, in which the coil circuit board is disposed at the base. The rotating unit has a bearing, a fan blade, an iron-containing metal sheet and a magnet, in which the bearing has an outer ring and an inner ring. The fan blade, the iron-containing metal sheet and the magnet are fixed at the outer ring of the bearing, the inner ring of the bearing is fixed at the shaft of the driving unit and the coil circuit board of the driving unit is able to drive the rotating unit turning around.

REFERENCES:
patent: 3553510 (1971-01-01), Howey
patent: 4725752 (1988-02-01), Shiraki et al.
patent: RE37261 (2001-07-01), Schmider et al.
patent: 6270325 (2001-08-01), Hsieh
patent: 7259484 (2007-08-01), Hosono
patent: 7474032 (2009-01-01), Horng et al.
patent: 2005/0265864 (2005-12-01), Hsieh
patent: 2007/0114869 (2007-05-01), Horng et al.
patent: 2007/0164624 (2007-07-01), Horng et al.

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