Shell-shaped magnet

Details Shell-shaped magnet Shell-shaped magnet

2005-03-29

2005-03-29

Nguyen, Chau N. (Department: 2831)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216006, C310S254100, C310S156210, C310S181000, C310S256000, C310S256000

Reexamination Certificate

active

06873077

ABSTRACT:
Cup-shaped magnet for electric motors having two face surfaces, two lateral surface, and two top surfaces, which are curving between the face surfaces along the lateral surfaces, whereby the lateral faces are chamfered in a v-shape.

REFERENCES:
patent: 4885489 (1989-12-01), Stuhr
patent: 4978876 (1990-12-01), Koster
patent: 5874794 (1999-02-01), Trammell et al.
patent: 5920139 (1999-07-01), Fujiwara et al.
patent: 6512318 (2003-01-01), Torok et al.
patent: 6713921 (2004-03-01), Sebastian et al.
patent: 6741002 (2004-05-01), Nishiyama et al.
patent: 19633209 (1997-03-01), None
patent: 19849224 (2000-05-01), None
patent: WO 9322778 (1993-11-01), None
Japanese Patent Abstract 04261352, vol. 17, No. 47, Jan. 28, 1993.
Japanese Patent Abstract 04021331, vol. 16, No. 178, Apr. 28, 1992.
Japanese Patent Abstract 06231941, vol. 28, No. 599, Nov. 15, 1994.

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