Rotary electric machine and a rotor of the same

Details Rotary electric machine and a rotor of the same Rotary electric machine and a rotor of the same

2006-05-30

2006-05-30

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156270, C310S156280, C310S156310

Reexamination Certificate

active

07053508

ABSTRACT:
In a rotor for a rotary electric machine, a predetermined number of main pole magnets and a predetermined number of yoke magnets are fixed in contact with a hub. Each main pole magnet is magnetized so that its radial inside portion and its radial outside portion have the opposite polarity from each other, of north pole and south pole. Also, each main pole magnet has its radial inside and radial outside polarities reversed from its closest main pole magnets. The yoke magnets are disposed to allow magnetic flux to flow through circumferential surfaces of the main pole magnets. The hub is provided as a heat radiating member and made of metal having high heat conductivity. The hub includes an inner cylindrical portion and an outer cylindrical portion, and forms an air passage spaces.

REFERENCES:
patent: 6144130 (2000-11-01), Kawamura
patent: 6177745 (2001-01-01), Narita et al.
patent: 2002/0180294 (2002-12-01), Kaneda et al.
patent: 2005/0040721 (2005-02-01), Kusase et al.
patent: 11318066 (1999-11-01), None
patent: 2000-278894 (2000-06-01), None
patent: 2000-197287 (2000-07-01), None

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