Centrifugal fan and housing thereof

Details Centrifugal fan and housing thereof Centrifugal fan and housing thereof

Filed on

2007-08-13

Date issued

2011-10-04

Examiner

Edgar, Richard (Department: 3745)

Patent Class

Rotary kinetic fluid motors or pumps

SubClass

Working fluid passage or distributing means associated with...

SubSubClass

Casing having tangential inlet or outlet

Other Related Categories

C416S20100A

Type

Reexamination Certificate

Status

active

Patent number

08029237

Description

ABSTRACT:
A centrifugal fan. The centrifugal fan has at least one air inlet and one air outlet, and at least one set of rotor blades. A sidewall extends downward from an inner margin of the air inlet to define an air-gathering chamber in the housing of the centrifugal fan for increasing airflow pressure and heat dissipating efficiency.

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