Heat dissipation fan

Details Heat dissipation fan Heat dissipation fan

2007-11-27

2007-11-27

Stashick, Anthony (Department: 3746)

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

C417S354000, C310S06700R, C310S058000

Reexamination Certificate

active

10977822

ABSTRACT:
A heat dissipation fan includes a rotor (1) having a hub (10) with a permanent magnet (104) attached to an inner surface thereof, a stator (2) and a fan frame (3) having a bearing seat (36). The bearing seat (36) includes a base (361) and a central tube (362) around which the stator is mounted. Slots (102) are defined through the top wall of the hub facing to the magnet ring. The base defines slots (360), corresponding to the slots of the hub.

REFERENCES:
patent: 2091510 (1937-08-01), Lanz
patent: 4686400 (1987-08-01), Fujisaki et al.
patent: 6386276 (2002-05-01), Chen et al.
patent: 6773239 (2004-08-01), Huang et al.
patent: 2002/0141866 (2002-10-01), Huang et al.
patent: 2004/0075356 (2004-04-01), Horng et al.
patent: 500190 (2002-08-01), None

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