Cooling fan assembly for electric apparatus

Details Cooling fan assembly for electric apparatus Cooling fan assembly for electric apparatus

2005-12-16

2008-12-02

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Plural runners supported for relative motion or on separate...

C415S204000, C415S206000

Reexamination Certificate

active

07458767

ABSTRACT:
A cooling fan assembly for an electronic apparatus includes a casing and first and second centrifugal fans for creating airflow through the casing to dissipate heat associated generated by the electronic apparatus. The casing has at least first and second air inlets and an air outlet. The first centrifugal fan is received in the casing and positioned proximate the air outlet, and the second centrifugal fan juxtaposed with the first centrifugal fan is also received in the casing and positioned proximate the air outlet and indirect fluid communication therewith. The first and second centrifugal fans and the casing further are configured such that the airflow is effectively induced to form a high-pressure volute tongue in a region bounded by the first and second centrifugal fans and the air outlet.

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patent: 6396689 (2002-05-01), Yu et al.
patent: 6923619 (2005-08-01), Fedoseyev et al.
patent: ZL200420004291.3 (2005-05-01), None

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