Impeller assembly

Details Impeller assembly Impeller assembly

2007-02-27

2007-02-27

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Including additional means causing or controlling fluid flow...

C415S183000, C415S203000

Reexamination Certificate

active

10939539

ABSTRACT:
An impeller assembly has a hollow body, multiple main blades and multiple booster blades. The main blades are mounted around the body to define multiple flow channels between the main blades. The boosting blades are mounted around the body at the bottom edge and each is located at one of the flow channels. Each booster blade has a segment aligning with and overlapping a corresponding one of the main blades. In such an arrangement, the speed of airflow is increased and the heat-dissipating efficiency provided by the impeller assembly is enhanced.

REFERENCES:
patent: 809277 (1906-01-01), Barker
patent: 5611668 (1997-03-01), Yapp et al.
patent: 6318964 (2001-11-01), Yang
patent: 6511300 (2003-01-01), Otsuka
patent: 6572336 (2003-06-01), Horng et al.
patent: 6779992 (2004-08-01), Lei et al.
patent: 2004/0219022 (2004-11-01), Yang
patent: 2003163481 (2003-06-01), None

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