Generator

Details Generator Generator

2006-08-08

2006-08-08

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156540

Reexamination Certificate

active

07088029

ABSTRACT:
An electric generator10of the present invention comprises a permanent magnet14, a coil30, a yoke20, and attracted means19composed of a plurality of attracted pieces18which are arranged radially around the rotation axis12and are magnetized by the permanent magnet14. The permanent magnet14, the coil30, the yoke20, and the attracted means19are mounted on the rotation axis12and the attracted pieces18that constitute the attracted means19are each placed in positions that correspond to positions that bisect the spaces between the metal pieces that constitute the yoke20, so that the cogging torque exerted on the rotation axis12is reduced.

REFERENCES:
patent: 2070447 (1937-02-01), Morrill
patent: 3790834 (1974-02-01), Tanaka
patent: 4775813 (1988-10-01), Janson
patent: 6756719 (2004-06-01), Chiu
patent: 57-186178 (1982-11-01), None
patent: 61-185271 (1986-11-01), None
patent: 62-152668 (1987-09-01), None
patent: 1-171583 (1989-12-01), None
patent: 9-286365 (1997-11-01), None

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