Axial-flow type fan having an air outlet blade structure

Details Axial-flow type fan having an air outlet blade structure Axial-flow type fan having an air outlet blade structure

2006-10-24

2006-10-24

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

C416S228000

Reexamination Certificate

active

07125220

ABSTRACT:
An axial-flow type fan includes a fan housing consisting of an air inlet, an air outlet and an air channel, and a fan wheel consisting of a hub and fan blades. The air channel of the fan housing accommodates the fan wheel which has end-cornered cutting blades proximate the air outlet of the fan housing. When the fan wheel is rotated, the end-cornered cutting blades are able to eliminate air turbulence and air noise in the air outlet of the fan housing.

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