Electric fan

Details Electric fan Electric fan

1993-11-30

1994-11-29

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

41742314, 4151212, 4152112, 415220, 416120, 416247R, F04B 1700

Patent

active

053684532

ABSTRACT:
An electric fan including a hood having a plurality of tubular members in each of which there is a cylindrical member, a plurality of bell-shaped members each mounted on each of said tubular members, and a plurality of protecting covers each mounted on an outlet of each of said tubular members, and a base portion mounted under said hood and having a motor provided with an output gear engaged with a plurality of fan gears each fixedly mounted on an axle extending from said base portion upwardly into said cylindrical member, and a plurality of impellers each mounted on the top end of said axle, whereby the electric fan can make air currents in a range of 360 degrees.

REFERENCES:
patent: 5193984 (1993-03-01), Lin
patent: 5230604 (1993-07-01), Glaser et al.
patent: 5256039 (1993-10-01), Crawford

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