Miniature blower fan

Details Miniature blower fan Miniature blower fan

2006-05-11

2008-11-25

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with axial flow runner

C415S229000, C416S003000, C416S174000, C417S423700, C417S423120, C310S063000, C310S06700R, C310S156320, C310S268000

Reexamination Certificate

active

07455501

ABSTRACT:
A miniature blower fan includes an axial seat and a shaft extending from a central portion of the axial seat. A plurality of vanes and a magnet are mounted to an outer circumferential wall of the axial seat. The vanes extend radially outward from the outer circumferential wall of the axial seat and are spaced at regular intervals. The miniature blower fan further includes a casing having an air inlet. The vanes have a thickness larger than 30% of an overall height of the vanes and the magnet. In another embodiment, a web extends radially outward from the outer circumferential wall of the axial seat, the vanes are mounted to a side of the web, and the magnet is mounted to the other side of the web. The vanes have a thickness larger than 30% of an overall height of the web, the vanes, and the magnet.

REFERENCES:
patent: 4164690 (1979-08-01), Muller et al.
patent: 4603271 (1986-07-01), Maruyama et al.
patent: 5176509 (1993-01-01), Schmider et al.
patent: 5217351 (1993-06-01), Meier et al.
patent: 6462441 (2002-10-01), Horng et al.
patent: 6762527 (2004-07-01), Horng

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