Miniaturized direct current fan

Details Miniaturized direct current fan Miniaturized direct current fan

1991-07-02

1992-08-04

Bertsch, Richard A.

Pumps

Motor driven

Motor within rotary pumping member

417352, 417353, 417410, 4174231, F04B 1700

Patent

active

051353636

ABSTRACT:
An axial flow fan for ventilating electrical and electronic equipment includes a brushless, DC external rotor-type central drive motor. The stator is supported by a bearing tube formed of plastic, integrally molded with a mounting flange. In one embodiment, the fan casing forms part of the integral plastic molding.

REFERENCES:
patent: 3194165 (1965-07-01), Sorlin
patent: 4164690 (1979-08-01), Muller et al.
patent: 4564335 (1986-01-01), Harmsen et al.
patent: 4618315 (1986-10-01), Papst et al.
patent: 4806081 (1989-02-01), Harmsen et al.
patent: 5028216 (1991-07-01), Harmsen et al.

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