Stator of electric fan

Details Stator of electric fan Stator of electric fan

1995-01-06

1996-02-20

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

417354, 310 62, 310254, F04B 1700, F04B 3504, H02K 900, H02K 112

Patent

active

054924588

ABSTRACT:
An electric fan includes a housing having a hub formed in the center, a shaft has one end force-fitted in the hub and having an annular flange formed in the other end, two polar plate are force-fitted on the shaft, and a stator is disposed between the polar plates. The upper polar plate and the lower polar plate each includes a hole for engaging with the shaft and the holes have one or more teeth for solidly engaging with the shaft.

REFERENCES:
patent: 869901 (1907-11-01), Hahn
patent: 2742223 (1956-04-01), Font
patent: 4360498 (1986-12-01), Santi
patent: 4376333 (1983-04-01), Kanamaru et al.
patent: 4959571 (1990-09-01), Yasumoto et al.
patent: 4987331 (1991-01-01), Horng
patent: 5019735 (1991-05-01), Lee
patent: 5099181 (1992-03-01), Canon
patent: 5272930 (1993-12-01), Nakamura et al.
patent: 5288216 (1994-02-01), Bolte

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