Fan base case

Details Fan base case Fan base case

2007-01-30

2007-01-30

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with axial flow runner

C415S224000, C416S24400R

Reexamination Certificate

active

10938612

ABSTRACT:
A fan case base, which is for being mounted with a fan wheel having a hub and a plurality of fan blades surrounding the hub, includes a base support, a frame and a plurality of engaging parts. The base support is attached with the fan wheel. The frame is disposed around the periphery of the base support and provides the height thereof less than that of the fan blades. The engaging parts are disposed at the top of the frame for the fan case base being attached to an article and provide the height thereof greater than that of fan blades. The fan case base2can provide a best mode of guiding the airflow, enhancing the effect of cushion and shock absorption during the airflow entering the frame22and the fan blades32of the fan heel3not touching the frame22even in case of the fan case base2being hung vertically.

REFERENCES:
patent: 5019735 (1991-05-01), Lee
patent: 5982064 (1999-11-01), Umeda et al.
patent: 6462441 (2002-10-01), Horng et al.
patent: 6726455 (2004-04-01), Horng et al.
patent: 2003163481 (2003-06-01), None

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