Fan with central intake

Details Fan with central intake Fan with central intake

2007-04-10

2007-04-10

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Including additional means causing or controlling fluid flow...

Means subjected to or is working fluid

C415S221000

Reexamination Certificate

active

10979205

ABSTRACT:
A fan with central intake comprises a fan frame, a fan wheel and a fan motor. The fan frame provides a hub seat with an annular spacing for fluid flowing through and a joining part at the center of the hub seat for supporting the bearings. The fan wheel is received in the fan frame and provides a hub with an open side and a hollow side with a circular opening. The annular spacing associated with the circular opening constitutes a central flow route for admitting fluid to pass through such that heat from the central area of a radiator under the fan can be dissipated efficiently.

REFERENCES:
patent: 3449605 (1969-06-01), Wilson
patent: 6003866 (1999-12-01), Tsai
patent: 6382306 (2002-05-01), Hsu
patent: 6386276 (2002-05-01), Chen et al.
patent: 6910862 (2005-06-01), Horng et al.
patent: 6951449 (2005-10-01), Huang et al.
patent: 7037089 (2006-05-01), Hsieh

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