Fan and fan housing with airflow-guiding stationary blades

Details Fan and fan housing with airflow-guiding stationary blades Fan and fan housing with airflow-guiding stationary blades

2006-01-03

2010-06-08

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

C415S208100, C415S211200, C415S220000, C415S221000

Reexamination Certificate

active

07731479

ABSTRACT:
A fan includes a fan housing and an impeller. The fan housing includes a frame, a base disposed in the frame, a plurality of stationary blades disposed between the frame and the base, and a plurality of airflow-guiding elements extending inward from the frame and toward the base. The airflow-guiding elements and the stationary blades are alternately arranged. The impeller is disposed in the fan housing.

REFERENCES:
patent: 1961214 (1934-06-01), Hall
patent: 3178099 (1965-04-01), Child
patent: 5310309 (1994-05-01), Terasaki et al.
patent: 6626640 (2003-09-01), Ivanovic
patent: 6910862 (2005-06-01), Horng et al.
patent: 7040862 (2006-05-01), Otsuka
patent: 7275910 (2007-10-01), Chang et al.
patent: 2004/0265123 (2004-12-01), Chang et al.

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