Centrifugal fan

Details Centrifugal fan Centrifugal fan

2006-06-20

2006-06-20

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Distally supported on radial arm

C415S206000, C416S226000, C416S235000

Reexamination Certificate

active

07063510

ABSTRACT:
Slim-profile centrifugal fan made up of a housing, a motor component, and a airflow-generating component. A disk portion, a cylindrical portion, a plurality of posts, and a plurality of blades compose the airflow-generating component. The plurality of posts project from, and are arranged at a predetermined circumferential spacing along, the outer circumferential surface of the cylindrical portion; and each of the plurality of blades is provided on a respective one of the posts. The posts are of sufficiently greater thickness than the blades. Accordingly, air spaces are formed in between the posts and the blades, yet the blades are retained firmly on the cylindrical portion by the posts.

REFERENCES:
patent: 6348748 (2002-02-01), Yamamoto
patent: 6568907 (2003-05-01), Horng et al.
patent: 2000-341902 (2000-12-01), None
patent: 2001-135964 (2001-05-01), None
patent: 2001-140790 (2001-05-01), None
patent: 2001-182691 (2001-07-01), None
patent: D1118546 (2001-08-01), None
patent: 2002-021782 (2002-01-01), None

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