Rotary electric machine

Details Rotary electric machine Rotary electric machine

2005-03-22

2005-03-22

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06000A, C310S062000, C310S063000, C415S090000

Reexamination Certificate

active

06870288

ABSTRACT:
In a vehicle alternator having a stator, a rotor, and frames, a disc group is fixed to an axial end surface of a magnetic pole core of the rotor for creating the flow of cooling air. The disc group includes a plurality of discs layered with gaps between them. The disc group is disposed rotatable with the rotor. When the disc group rotates with the rotor, cooling air flows in a radially outward direction along the disc surfaces.

REFERENCES:
patent: 4418295 (1983-11-01), Shiga
patent: 4565936 (1986-01-01), Ikegami et al.
patent: 5021696 (1991-06-01), Nelson
patent: 5192183 (1993-03-01), Wilkinson
patent: 5254896 (1993-10-01), Bradfield et al.
patent: 5419679 (1995-05-01), Gaunt et al.
patent: 5763968 (1998-06-01), Hayashi et al.

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