Heat exchange – With impeller or conveyor moving exchange material – Mechanical gas pump
Patent
1996-11-08
1997-12-23
Kwon, John T.
Heat exchange
With impeller or conveyor moving exchange material
Mechanical gas pump
165122, F24H 302
Patent
active
056998546
ABSTRACT:
A miniature fan assembly includes a base, a coil seat mounted in the base, a fan mounted above the coil seat, and a top plate securely mounted above the fan. The base includes a recess defined therein and an outlet defined in a peripheral wall thereof which defines the recess. The coil seat and the peripheral wall of the base together define a helical air passage therebetween. The coil seat further includes an axle hole defined therein and a coil mounted therearound. The fan includes a head portion with a peripheral wall and a plurality of fan blades extending outwardly from the peripheral wall of the head portion. The fan further includes an axle which is rotatably received in the axle hole of the coil seat. The peripheral wall of the head portion defines a hollow interior therein for accommodating the coil seat.
REFERENCES:
patent: 3592260 (1971-07-01), Berger
patent: 5377745 (1995-01-01), Hsieh
patent: 5421402 (1995-06-01), Lin
patent: 5437327 (1995-08-01), Chiou
patent: 5484013 (1996-01-01), Morikawa et al.
patent: 5522700 (1996-06-01), Hong
patent: 5526875 (1996-06-01), Lin
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